feat(providers): add focused LLMTR hybrid gateway (#2150)

* feat: add LLMTR hybrid gateway

* feat: support LLMTR_API_KEY

* fix: allow LLMTR provider env files

* fix: protect LLMTR credential routing

* fix: protect LLMTR profile credentials

* fix: complete LLMTR env lifecycle

* fix: select LLMTR model before client setup

* fix: address LLMTR review findings

* fix: route LLMTR auxiliary models correctly

* fix: complete LLMTR credential boundaries

* fix: clear persisted LLMTR startup keys

* fix: normalize LLMTR generic credentials

* fix: scope LLMTR credential support

* fix: align LLMTR credential boundaries

* fix: close LLMTR credential boundaries

* fix: clear stale LLMTR auth state

* fix: clear persisted LLMTR credentials

* fix: complete LLMTR setup contracts

* fix: close LLMTR lifecycle gaps

* fix(providers): close LLMTR credential boundaries

* fix(providers): preserve saved LLMTR profile keys

.env.example

@@ -211,6 +211,13 @@ ANTHROPIC_API_KEY=sk-ant-your-key-here
 # OPENAI_BASE_URL=https://api.aimlapi.com/v1
 # OPENAI_MODEL=gpt-4o
 
+# For LLMTR, prefer its dedicated key. Raw env setup must also set
+# OPENAI_BASE_URL and OPENAI_MODEL. OPENAI_API_KEY remains supported:
+# LLMTR_API_KEY=your-llmtr-key-here
+# OPENAI_API_KEY=your-llmtr-key-here  # supported fallback
+# OPENAI_BASE_URL=https://llmtr.com/v1
+# OPENAI_MODEL=deepseek/deepseek-v4-flash
+
 # Use a custom OpenAI-compatible endpoint (optional — defaults to api.openai.com)
 # OPENAI_BASE_URL=https://api.openai.com/v1
 # Choose the OpenAI-compatible API surface (optional).

README.md

@@ -309,6 +309,7 @@ Advanced and source-build guides:
 | Z.AI GLM Coding Plan | `/provider` or OpenAI-compatible env vars | Uses `OPENAI_API_KEY` at `https://api.z.ai/api/coding/paas/v4` and defaults to `glm-5.2` |
 | AI/ML API | `/provider` or `AIMLAPI_API_KEY` ([setup guide](docs/aimlapi-setup.md)) | Uses `https://api.aimlapi.com/v1`, auto-detects the OpenAI-compatible route from `AIMLAPI_API_KEY`, sends OpenClaude attribution headers, and discovers chat-capable models from the public `/models` catalog |
 | Concentrate | `/provider` or `CONCENTRATE_API_KEY` | Unified OpenAI-compatible gateway at `https://api.concentrate.ai/v1`; defaults to `deepseek-v4-flash` and auto-discovers the chat model catalog |
+| LLMTR | `/provider` or OpenAI-compatible env vars | Multi-model gateway at `https://llmtr.com/v1`; `/provider` and `--provider llmtr` default to `deepseek/deepseek-v4-flash`, while raw env setup must set `OPENAI_BASE_URL=https://llmtr.com/v1` and `OPENAI_MODEL`; accepts `LLMTR_API_KEY` or `OPENAI_API_KEY` after the route is selected and discovers tool-capable Chat Completions models from the public catalog |
 | ApiSmart | `/provider` or `APISMART_API_KEY` | Uses `https://gw.apismart.ai/v1`, defaults to `DEEPSEEK_V4_FLASH`, and supports optional `APISMART_MODEL` plus authenticated model discovery |
 | Hicap | `/provider` or OpenAI-compatible env vars | Uses `api-key` auth, discovers models from unauthenticated `/models`, and supports Responses mode for `gpt-` models |
 | Fireworks AI | `/provider` or env vars | First-class provider with 276 curated models (DeepSeek, Qwen, Llama, Gemma, and more); uses `FIREWORKS_API_KEY` |

src/components/ProviderManager.test.tsx

@@ -136,6 +136,7 @@ const PRESET_ORDER = [
   'Anthropic',
   'Alibaba Coding Plan (China)',
   'Alibaba Coding Plan',
+  'ApiSmart',
   'Atlas Cloud',
   'Azure OpenAI',
   'Bankr',
@@ -149,6 +150,7 @@ const PRESET_ORDER = [
   'Google AI / Gemini',
   'Groq',
   'Hicap',
+  'LLMTR',
   'LM Studio',
   'Atomic Chat',
   'Ollama',
@@ -308,6 +310,17 @@ function mockProviderProfilesModule(options?: {
         }
       }
 
+      if (preset === 'llmtr') {
+        return {
+          provider: 'llmtr',
+          name: 'LLMTR',
+          baseUrl: 'https://llmtr.com/v1',
+          model: 'deepseek/deepseek-v4-flash',
+          apiKey: '',
+          requiresApiKey: true,
+        }
+      }
+
       return {
         provider: 'openai',
         name: 'Mock provider',
@@ -1126,6 +1139,130 @@ test('ProviderManager asks for model and API key when adding OpenAI preset', asy
   }
 })
 
+test('ProviderManager adds LLMTR with only model selection and API key', async () => {
+  const addProviderProfile = mock((payload: any) => ({
+    id: 'llmtr_profile',
+    ...payload,
+  }))
+
+  mockProviderManagerDependencies(() => undefined, async () => undefined, {
+    addProviderProfile,
+  })
+
+  const nonce = `${Date.now()}-${Math.random()}`
+  const { ProviderManager } = await import(`./ProviderManager.js?ts=${nonce}`)
+  const mounted = await mountProviderManager(ProviderManager)
+
+  try {
+    await waitForFrameOutput(mounted.getOutput, frame =>
+      frame.includes('Provider manager'),
+    )
+
+    mounted.stdin.write('\r')
+    await waitForFrameOutput(mounted.getOutput, frame =>
+      frame.includes('Choose provider preset'),
+    )
+
+    await navigateToPreset(mounted.stdin, 'LLMTR')
+    mounted.stdin.write('\r')
+    const modelOutput = await waitForFrameOutput(mounted.getOutput, frame =>
+      frame.includes('Create provider profile') &&
+      frame.includes('Step 1 of 2: Default model'),
+    )
+
+    expect(modelOutput).toContain('LLMTR')
+    expect(modelOutput).toContain('deepseek/deepseek-v4-flash')
+    expect(modelOutput).not.toContain('Provider name')
+    expect(modelOutput).not.toContain('Base URL')
+    expect(modelOutput).not.toContain('API mode')
+    expect(modelOutput).not.toContain('Custom headers')
+
+    mounted.stdin.write('\r')
+    const keyOutput = await waitForFrameOutput(mounted.getOutput, frame =>
+      frame.includes('Step 2 of 2: API key'),
+    )
+    expect(keyOutput).not.toContain('Provider name')
+    expect(keyOutput).not.toContain('Base URL')
+    expect(keyOutput).not.toContain('API mode')
+    expect(keyOutput).not.toContain('Custom headers')
+
+    mounted.stdin.write('llmtr-test-key')
+    await Bun.sleep(25)
+    mounted.stdin.write('\r')
+
+    await waitForCondition(() => addProviderProfile.mock.calls.length > 0)
+    expect(addProviderProfile).toHaveBeenCalledWith(
+      expect.objectContaining({
+        provider: 'llmtr',
+        name: 'LLMTR',
+        baseUrl: 'https://llmtr.com/v1',
+        model: 'deepseek/deepseek-v4-flash',
+        apiKey: 'llmtr-test-key',
+        apiFormat: 'chat_completions',
+      }),
+      expect.objectContaining({ makeActive: true }),
+    )
+  } finally {
+    await mounted.dispose()
+  }
+})
+
+test('ProviderManager edits query-bearing LLMTR endpoints with generic proxy controls', async () => {
+  const llmtrProxyProfile = {
+    id: 'provider_llmtr_proxy',
+    provider: 'llmtr',
+    name: 'LLMTR query proxy',
+    baseUrl: 'https://llmtr.com/v1?tenant=proxy',
+    model: 'proxy-model',
+    apiKey: undefined,
+    apiFormat: 'responses',
+    authHeader: 'X-Proxy-Key',
+    authScheme: 'raw',
+    authHeaderValue: 'proxy-auth-value',
+    customHeaders: { 'X-Proxy-Trace': 'enabled' },
+  }
+
+  mockProviderManagerDependencies(
+    () => undefined,
+    async () => undefined,
+    {
+      getProviderProfiles: () => [llmtrProxyProfile],
+      getActiveProviderProfile: () => llmtrProxyProfile,
+    },
+  )
+
+  const nonce = `${Date.now()}-${Math.random()}`
+  const { ProviderManager } = await import(`./ProviderManager.js?ts=${nonce}`)
+  const mounted = await mountProviderManager(ProviderManager)
+
+  try {
+    await waitForFrameOutput(mounted.getOutput, frame =>
+      frame.includes('Provider manager') && frame.includes('Edit provider'),
+    )
+
+    mounted.stdin.write('j')
+    await Bun.sleep(25)
+    mounted.stdin.write('j')
+    await Bun.sleep(25)
+    mounted.stdin.write('\r')
+
+    await waitForFrameOutput(mounted.getOutput, frame =>
+      frame.includes('Edit provider') &&
+      frame.includes('LLMTR query proxy') &&
+      !frame.includes('Provider manager'),
+    )
+
+    mounted.stdin.write('\r')
+    const editOutput = await waitForFrameOutput(mounted.getOutput, frame =>
+      frame.includes('Edit provider profile') && frame.includes('Step 1 of 8'),
+    )
+
+    expect(editOutput).toContain('Advanced: this provider supports custom request headers')
+  } finally {
+    await mounted.dispose()
+  }
+})
+
 test('ProviderManager saves OpenAI preset GPT-5 models with Responses API', async () => {
   const addProviderProfile = mock((payload: any) => ({
     id: 'openai_profile',

src/components/ProviderManager.tsx

@@ -90,6 +90,7 @@ import {
   getActiveProviderProfile,
   getProviderPresetDefaults,
   getProviderProfiles,
+  resolveProfileCapabilityRouteId,
   setActiveProviderProfile,
   type ProviderPreset,
   type ProviderProfileInput,
@@ -368,12 +369,7 @@ function resolveProviderEditorRouteId(
   provider: ProviderProfile['provider'],
   baseUrl?: string,
 ): string {
-  const route = resolveProfileRoute(provider).routeId
-  if (route !== 'openai') {
-    return route
-  }
-
-  return resolveRouteIdFromBaseUrl(baseUrl) ?? route
+  return resolveProfileCapabilityRouteId(provider, baseUrl)
 }
 
 function routeSupportsResponsesModel(routeId: string, model: string): boolean {
@@ -2539,6 +2535,10 @@ export function ProviderManager({ mode, onDone }: Props): React.ReactNode {
   }
 
   function renderForm(): React.ReactNode {
+    const editorRouteId = resolveProviderEditorRouteId(
+      draftProvider,
+      draft.baseUrl,
+    )
     return (
       <Box flexDirection="column" gap={1}>
         <Text color="remember" bold>
@@ -2547,9 +2547,9 @@ export function ProviderManager({ mode, onDone }: Props): React.ReactNode {
         <Text dimColor>{displayStep.helpText}</Text>
         <Text dimColor>
           Provider type:{' '}
-          {getRouteProviderTypeLabel(resolveProfileRoute(draftProvider).routeId)}
+          {getRouteProviderTypeLabel(editorRouteId)}
         </Text>
-        {routeSupportsCustomHeaders(resolveProfileRoute(draftProvider).routeId) ? (
+        {routeSupportsCustomHeaders(editorRouteId) ? (
           <Text dimColor>
             Advanced: this provider supports custom request headers when you
             need them.

src/integrations/compatibility.test.ts

@@ -49,9 +49,11 @@ const EXPECTED_PRESETS = [
   'atomic-chat',
   'cloudflare',
   'gitlawb-opengateway',
+  'concentrate',
   'nearai',
   'fireworks',
   'longcat',
+  'llmtr',
   'opencode',
   'opencode-go',
   'clinepass',

src/integrations/gateways/llmtr.models.ts

@@ -0,0 +1,129 @@
+import { defineCatalog } from '../define.js'
+
+function isRecord(value: unknown): value is Record<string, unknown> {
+  return typeof value === 'object' && value !== null
+}
+
+function hasStringValue(value: unknown, expected: string): boolean {
+  return (
+    Array.isArray(value) &&
+    value.some(item => typeof item === 'string' && item === expected)
+  )
+}
+
+function positiveInteger(value: unknown): number | undefined {
+  return typeof value === 'number' &&
+    Number.isInteger(value) &&
+    value > 0
+    ? value
+    : undefined
+}
+
+export function mapLlmtrModel(raw: unknown) {
+  if (!isRecord(raw)) {
+    return null
+  }
+
+  const id = typeof raw.id === 'string' ? raw.id.trim() : ''
+  if (
+    !id ||
+    !hasStringValue(raw.supported_parameters, 'tools') ||
+    !hasStringValue(raw.supported_operations, 'CHAT_COMPLETIONS') ||
+    !hasStringValue(raw.supported_endpoints, '/v1/chat/completions')
+  ) {
+    return null
+  }
+
+  const architecture = isRecord(raw.architecture) ? raw.architecture : null
+  const topProvider = isRecord(raw.top_provider) ? raw.top_provider : null
+  const contextWindow =
+    positiveInteger(raw.context_length) ??
+    positiveInteger(topProvider?.context_length)
+  const maxOutputTokens = positiveInteger(
+    topProvider?.max_completion_tokens,
+  )
+
+  return {
+    id,
+    apiName: id,
+    label:
+      typeof raw.name === 'string' && raw.name.trim() ? raw.name.trim() : id,
+    capabilities: {
+      supportsFunctionCalling: true,
+      supportsVision: hasStringValue(architecture?.input_modalities, 'image'),
+      supportsReasoning:
+        isRecord(raw.reasoning) ||
+        hasStringValue(raw.supported_parameters, 'reasoning') ||
+        hasStringValue(raw.supported_parameters, 'reasoning_effort'),
+    },
+    ...(contextWindow ? { contextWindow } : {}),
+    ...(maxOutputTokens ? { maxOutputTokens } : {}),
+  }
+}
+
+export default defineCatalog({
+  source: 'hybrid',
+  discovery: {
+    kind: 'openai-compatible',
+    requiresAuth: false,
+    mapModel: mapLlmtrModel,
+  },
+  discoveryCacheTtl: '1d',
+  discoveryRefreshMode: 'background-if-stale',
+  allowManualRefresh: true,
+  models: [
+    {
+      id: 'llmtr-deepseek-v4-flash',
+      apiName: 'deepseek/deepseek-v4-flash',
+      aliases: ['deepseek-v4-flash'],
+      label: 'DeepSeek V4 Flash',
+      modelDescriptorId: 'deepseek-v4-flash',
+      contextWindow: 1_000_000,
+      maxOutputTokens: 393_216,
+    },
+    {
+      id: 'llmtr-claude-sonnet-4.6',
+      apiName: 'anthropic/claude-sonnet-4.6',
+      aliases: ['claude-sonnet-4-6'],
+      label: 'Claude Sonnet 4.6',
+      modelDescriptorId: 'claude-sonnet-4-6',
+      contextWindow: 1_000_000,
+      maxOutputTokens: 128_000,
+    },
+    {
+      id: 'llmtr-gpt-5.4',
+      apiName: 'openai/gpt-5.4',
+      aliases: ['gpt-5.4'],
+      label: 'GPT-5.4',
+      modelDescriptorId: 'gpt-5.4',
+      contextWindow: 272_000,
+      maxOutputTokens: 128_000,
+    },
+    {
+      id: 'llmtr-gemini-3.1-pro-preview',
+      apiName: 'google/gemini-3.1-pro-preview',
+      label: 'Gemini 3.1 Pro Preview',
+      modelDescriptorId: 'google/gemini-3.1-pro-preview',
+      contextWindow: 1_048_576,
+      maxOutputTokens: 65_536,
+    },
+    {
+      id: 'llmtr-deepseek-v4-pro',
+      apiName: 'deepseek/deepseek-v4-pro',
+      aliases: ['deepseek-v4-pro'],
+      label: 'DeepSeek V4 Pro',
+      modelDescriptorId: 'deepseek-v4-pro',
+      contextWindow: 1_000_000,
+      maxOutputTokens: 393_216,
+    },
+    {
+      id: 'llmtr-glm-5.2',
+      apiName: 'zai/glm-5.2',
+      aliases: ['glm-5.2'],
+      label: 'GLM-5.2',
+      modelDescriptorId: 'glm-5.2',
+      contextWindow: 1_000_000,
+      maxOutputTokens: 131_072,
+    },
+  ],
+})

src/integrations/gateways/llmtr.test.ts

@@ -0,0 +1,187 @@
+import { expect, test } from 'bun:test'
+
+import { routeForPreset } from '../compatibility.js'
+import { getProviderPresetUiMetadata } from '../providerUiMetadata.js'
+import {
+  resolveActiveRouteIdFromEnv,
+  resolveRouteCredentialValue,
+  resolveRouteIdFromBaseUrl,
+} from '../routeMetadata.js'
+import catalog, { mapLlmtrModel } from './llmtr.models.js'
+import gateway from './llmtr.js'
+
+test('LLMTR uses the standard OpenAI-compatible gateway contract', () => {
+  expect(gateway.defaultBaseUrl).toBe('https://llmtr.com/v1')
+  expect(gateway.defaultModel).toBe('deepseek/deepseek-v4-flash')
+  expect(gateway.setup.credentialEnvVars).toEqual([
+    'LLMTR_API_KEY',
+    'OPENAI_API_KEY',
+  ])
+  expect(gateway.setup.dedicatedCredentialsOnly).not.toBe(true)
+  expect(gateway.preset?.apiKeyEnvVars).toEqual([
+    'LLMTR_API_KEY',
+    'OPENAI_API_KEY',
+  ])
+  expect(gateway.validation).toMatchObject({
+    kind: 'credential-env',
+    routing: { matchDefaultBaseUrl: true },
+    credentialEnvVars: [
+      'LLMTR_API_KEY',
+      'OPENAI_API_KEYS',
+      'OPENAI_API_KEY',
+    ],
+  })
+  expect(gateway.validation?.routing?.matchBaseUrlHosts).toBeUndefined()
+  expect(gateway.transportConfig).toEqual({
+    kind: 'openai-compatible',
+    openaiShim: {
+      requiredApiFormat: 'chat_completions',
+      supportsAuthHeaders: false,
+      maxTokensField: 'max_tokens',
+    },
+  })
+  expect(catalog.source).toBe('hybrid')
+  expect(catalog.discovery?.requiresAuth).toBe(false)
+})
+
+test('LLMTR preset uses the existing generic profile path', () => {
+  expect(routeForPreset('llmtr')).toEqual({
+    vendorId: 'openai',
+    gatewayId: 'llmtr',
+    routeId: 'llmtr',
+  })
+  expect(
+    getProviderPresetUiMetadata('llmtr', {
+      LLMTR_API_KEY: 'llmtr-key',
+      OPENAI_API_KEY: 'fallback-key',
+    }),
+  ).toMatchObject({
+    apiKey: 'llmtr-key',
+    baseUrl: 'https://llmtr.com/v1',
+    model: 'deepseek/deepseek-v4-flash',
+    provider: 'llmtr',
+    routeId: 'llmtr',
+  })
+
+  expect(
+    getProviderPresetUiMetadata('llmtr', {
+      OPENAI_API_KEY: 'fallback-key',
+    }).apiKey,
+  ).toBe('fallback-key')
+
+  expect(
+    getProviderPresetUiMetadata('llmtr', {
+      LLMTR_API_KEY: 'SUA_CHAVE',
+    }).apiKey,
+  ).toBe('')
+  expect(
+    getProviderPresetUiMetadata('llmtr', {
+      LLMTR_API_KEY: 'SUA_CHAVE',
+      OPENAI_API_KEY: 'fallback-key',
+    }).apiKey,
+  ).toBe('fallback-key')
+})
+
+test('LLMTR dedicated credentials require an already selected LLMTR route', () => {
+  const processEnv = { LLMTR_API_KEY: 'llmtr-key' }
+
+  expect(resolveRouteIdFromBaseUrl('https://llmtr.com/v1')).toBe('llmtr')
+  expect(resolveRouteIdFromBaseUrl('https://llmtr.com/proxy/v1')).toBeNull()
+  expect(
+    resolveRouteIdFromBaseUrl('https://llmtr.com/v1?tenant=proxy'),
+  ).toBeNull()
+  expect(resolveRouteIdFromBaseUrl('https://llmtr.com/v1#proxy')).toBeNull()
+  expect(
+    resolveRouteCredentialValue({
+      routeId: 'llmtr',
+      baseUrl: 'https://llmtr.com/v1',
+      processEnv,
+    }),
+  ).toBe('llmtr-key')
+  expect(
+    resolveRouteCredentialValue({
+      routeId: 'custom',
+      baseUrl: 'https://proxy.example/v1',
+      processEnv,
+    }),
+  ).toBeUndefined()
+  expect(
+    resolveRouteCredentialValue({
+      routeId: 'llmtr',
+      baseUrl: 'https://proxy.example/v1',
+      processEnv,
+    }),
+  ).toBeUndefined()
+  expect(
+    resolveActiveRouteIdFromEnv(
+      {
+        CLAUDE_CODE_USE_OPENAI: '1',
+        OPENAI_BASE_URL: 'https://proxy.example/v1',
+      },
+      {
+        activeProfileProvider: 'llmtr',
+        activeProfileBaseUrl: 'https://proxy.example/v1',
+      },
+    ),
+  ).toBe('custom')
+  expect(
+    resolveActiveRouteIdFromEnv(processEnv),
+  ).not.toBe('llmtr')
+})
+
+test('LLMTR discovery keeps tool-capable Chat Completions models', () => {
+  expect(
+    mapLlmtrModel({
+      id: 'example/chat-model',
+      name: 'Chat Model',
+      context_length: 131_072,
+      top_provider: {
+        max_completion_tokens: 32_768,
+      },
+      architecture: {
+        input_modalities: ['text', 'image'],
+      },
+      reasoning: {},
+      supported_parameters: ['tools', 'reasoning'],
+      supported_operations: ['CHAT_COMPLETIONS'],
+      supported_endpoints: ['/v1/chat/completions'],
+    }),
+  ).toEqual({
+    id: 'example/chat-model',
+    apiName: 'example/chat-model',
+    label: 'Chat Model',
+    capabilities: {
+      supportsFunctionCalling: true,
+      supportsVision: true,
+      supportsReasoning: true,
+    },
+    contextWindow: 131_072,
+    maxOutputTokens: 32_768,
+  })
+})
+
+test.each([
+  ['Responses-only', ['RESPONSES'], ['/v1/responses'], ['tools']],
+  ['no tools', ['CHAT_COMPLETIONS'], ['/v1/chat/completions'], []],
+  ['wrong endpoint', ['CHAT_COMPLETIONS'], ['/v1/responses'], ['tools']],
+])('LLMTR discovery rejects %s models', (_label, operations, endpoints, parameters) => {
+  expect(
+    mapLlmtrModel({
+      id: 'example/incompatible',
+      supported_operations: operations,
+      supported_endpoints: endpoints,
+      supported_parameters: parameters,
+    }),
+  ).toBeNull()
+})
+
+test('LLMTR curated models are a small tool-capable fallback catalog', () => {
+  expect(catalog.models?.map(model => model.apiName)).toEqual([
+    'deepseek/deepseek-v4-flash',
+    'anthropic/claude-sonnet-4.6',
+    'openai/gpt-5.4',
+    'google/gemini-3.1-pro-preview',
+    'deepseek/deepseek-v4-pro',
+    'zai/glm-5.2',
+  ])
+})

src/integrations/gateways/llmtr.ts

@@ -0,0 +1,49 @@
+import { defineGateway } from '../define.js'
+import catalog from './llmtr.models.js'
+
+export default defineGateway({
+  id: 'llmtr',
+  label: 'LLMTR',
+  category: 'aggregating',
+  defaultBaseUrl: 'https://llmtr.com/v1',
+  defaultModel: 'deepseek/deepseek-v4-flash',
+  supportsModelRouting: true,
+  setup: {
+    requiresAuth: true,
+    authMode: 'api-key',
+    credentialEnvVars: ['LLMTR_API_KEY', 'OPENAI_API_KEY'],
+  },
+  startup: {
+    probeReadiness: 'openai-compatible-models',
+  },
+  transportConfig: {
+    kind: 'openai-compatible',
+    openaiShim: {
+      requiredApiFormat: 'chat_completions',
+      supportsAuthHeaders: false,
+      maxTokensField: 'max_tokens',
+    },
+  },
+  preset: {
+    id: 'llmtr',
+    description: 'LLMTR OpenAI-compatible multi-model gateway',
+    vendorId: 'openai',
+    apiKeyEnvVars: ['LLMTR_API_KEY', 'OPENAI_API_KEY'],
+    modelEnvVars: ['OPENAI_MODEL'],
+  },
+  validation: {
+    kind: 'credential-env',
+    routing: {
+      matchDefaultBaseUrl: true,
+    },
+    credentialEnvVars: [
+      'LLMTR_API_KEY',
+      'OPENAI_API_KEYS',
+      'OPENAI_API_KEY',
+    ],
+    missingCredentialMessage:
+      'LLMTR auth is required. Set LLMTR_API_KEY or OPENAI_API_KEY.',
+  },
+  catalog,
+  usage: { supported: false },
+})

src/integrations/generated/integrationArtifacts.generated.ts

@@ -37,6 +37,7 @@ import gatewayGitlawbOpengateway from '../gateways/gitlawb-opengateway.js'
 import gatewayGroq from '../gateways/groq.js'
 import gatewayHicap from '../gateways/hicap.js'
 import gatewayKimiCode from '../gateways/kimi-code.js'
+import gatewayLlmtr from '../gateways/llmtr.js'
 import gatewayLmstudio from '../gateways/lmstudio.js'
 import gatewayMistral from '../gateways/mistral.js'
 import gatewayNvidiaNim from '../gateways/nvidia-nim.js'
@@ -91,7 +92,7 @@ import modelXai from '../models/xai.js'
 import modelXiaomiMimo from '../models/xiaomi-mimo.js'
 
 export const VENDOR_DESCRIPTORS = [vendorAnthropic, vendorBankr, vendorDeepseek, vendorFireworks, vendorGemini, vendorLongcat, vendorMinimax, vendorMoonshot, vendorNearai, vendorOpenai, vendorVenice, vendorXai, vendorXiaomiMimo, vendorZai] as const satisfies readonly VendorDescriptor[]
-export const GATEWAY_DESCRIPTORS = [gatewayAimlapi, gatewayApismart, gatewayAtlasCloud, gatewayAtomicChat, gatewayAzureOpenai, gatewayBedrock, gatewayClinepass, gatewayCloudflare, gatewayConcentrate, gatewayCustom, gatewayDashscopeCn, gatewayDashscopeIntl, gatewayGithubEnterprise, gatewayGithub, gatewayGitlawbOpengateway, gatewayGroq, gatewayHicap, gatewayKimiCode, gatewayLmstudio, gatewayMistral, gatewayNvidiaNim, gatewayOllama, gatewayOpencodeGo, gatewayOpencode, gatewayOpenrouter, gatewayTogether, gatewayVertex, gatewayXiaomiMimoToken] as const satisfies readonly GatewayDescriptor[]
+export const GATEWAY_DESCRIPTORS = [gatewayAimlapi, gatewayApismart, gatewayAtlasCloud, gatewayAtomicChat, gatewayAzureOpenai, gatewayBedrock, gatewayClinepass, gatewayCloudflare, gatewayConcentrate, gatewayCustom, gatewayDashscopeCn, gatewayDashscopeIntl, gatewayGithubEnterprise, gatewayGithub, gatewayGitlawbOpengateway, gatewayGroq, gatewayHicap, gatewayKimiCode, gatewayLlmtr, gatewayLmstudio, gatewayMistral, gatewayNvidiaNim, gatewayOllama, gatewayOpencodeGo, gatewayOpencode, gatewayOpenrouter, gatewayTogether, gatewayVertex, gatewayXiaomiMimoToken] as const satisfies readonly GatewayDescriptor[]
 export const ANTHROPIC_PROXY_DESCRIPTORS = [anthropicproxyCustom] as const satisfies readonly AnthropicProxyDescriptor[]
 export const BRAND_DESCRIPTORS = [brandClaude, brandDeepseek, brandFireworks, brandGemini, brandGlm, brandGpt, brandKimi, brandLing, brandLlama, brandLongcat, brandMacaron, brandMinimax, brandMistral, brandNearai, brandNemotron, brandOpenaiCompatibleAlias, brandQwen, brandTencent, brandXai, brandXiaomiMimo] as const satisfies readonly BrandDescriptor[]
 export const MODEL_DESCRIPTOR_GROUPS = [modelClaude, modelDeepseek, modelFireworksMerged, modelGemini, modelGlm, modelGpt, modelKimi, modelLing, modelLlama, modelLongcat, modelMacaron, modelMinimax, modelMistral, modelNearai, modelNemotron, modelOpenaiCompatibleAlias, modelOpencode, modelQwen, modelTencent, modelXai, modelXiaomiMimo] as const satisfies readonly (readonly ModelDescriptor[])[]

src/integrations/generated/integrationManifest.generated.ts

@@ -252,6 +252,21 @@ export const PROVIDER_PRESET_MANIFEST = [
       "OPENAI_MODEL"
     ]
   },
+  {
+    "preset": "llmtr",
+    "routeKind": "gateway",
+    "routeId": "llmtr",
+    "vendorId": "openai",
+    "gatewayId": "llmtr",
+    "description": "LLMTR OpenAI-compatible multi-model gateway",
+    "apiKeyEnvVars": [
+      "LLMTR_API_KEY",
+      "OPENAI_API_KEY"
+    ],
+    "modelEnvVars": [
+      "OPENAI_MODEL"
+    ]
+  },
   {
     "preset": "lmstudio",
     "routeKind": "gateway",
@@ -572,6 +587,7 @@ export const ORDERED_PROVIDER_PRESETS = [
   "gemini",
   "groq",
   "hicap",
+  "llmtr",
   "lmstudio",
   "atomic-chat",
   "ollama",

src/integrations/providerUiMetadata.ts

@@ -41,7 +41,11 @@ function hasUsableEnvValue(envVar: string, value: string | undefined): boolean {
     return false
   }
 
-  if (envVar === 'OPENAI_API_KEYS' || envVar === 'OPENAI_API_KEY') {
+  if (
+    envVar === 'OPENAI_API_KEYS' ||
+    envVar === 'OPENAI_API_KEY' ||
+    envVar === 'LLMTR_API_KEY'
+  ) {
     return hasUsableOpenAICredential(value)
   }
 

src/integrations/routeMetadata.ts

@@ -231,7 +231,8 @@ function hasUsableEnvCredentialValue(
     envVar === 'OPENAI_API_KEY' ||
     envVar === 'AIMLAPI_API_KEY' ||
     envVar === 'APISMART_API_KEY' ||
-    envVar === 'CONCENTRATE_API_KEY'
+    envVar === 'CONCENTRATE_API_KEY' ||
+    envVar === 'LLMTR_API_KEY'
   ) {
     return hasUsableOpenAICredential(value)
   }
@@ -467,6 +468,34 @@ export function isCanonicalConcentrateInferenceBaseUrl(
   }
 }
 
+const LLMTR_CANONICAL_INFERENCE_BASE_URL = 'https://llmtr.com/v1'
+
+export function isCanonicalLlmtrInferenceBaseUrl(
+  value: string | undefined,
+): boolean {
+  const trimmed = value?.trim()
+  if (!trimmed) {
+    return false
+  }
+
+  try {
+    const canonical = new URL(LLMTR_CANONICAL_INFERENCE_BASE_URL)
+    const candidate = new URL(trimmed)
+    const normalizePath = (pathname: string): string =>
+      pathname.replace(/\/+$/, '') || '/'
+    return (
+      candidate.protocol === 'https:' &&
+      !candidate.port &&
+      !candidate.search &&
+      !candidate.hash &&
+      candidate.hostname.toLowerCase() === canonical.hostname.toLowerCase() &&
+      normalizePath(candidate.pathname) === normalizePath(canonical.pathname)
+    )
+  } catch {
+    return false
+  }
+}
+
 export function getConcentrateBaseUrlOverride(
   processEnv: NodeJS.ProcessEnv = process.env,
 ): string | undefined {
@@ -1117,6 +1146,13 @@ export function resolveRouteCredentialValue(
   ) {
     return undefined
   }
+  if (
+    routeId === 'llmtr' &&
+    options?.baseUrl !== undefined &&
+    !isCanonicalLlmtrInferenceBaseUrl(options.baseUrl)
+  ) {
+    return undefined
+  }
 
   return getRouteCredentialValue(routeId, processEnv)
 }
@@ -1225,6 +1261,16 @@ export function resolveRouteIdFromBaseUrl(
       normalizedBaseUrl &&
       normalizedDefaultBaseUrl === normalizedBaseUrl
     ) {
+      // LLMTR's dedicated credential and fixed transport contract are valid
+      // only for the exact inference URL. The generic comparable-URL helper
+      // intentionally ignores query/hash components for other providers, but a
+      // query-bearing LLMTR URL is a retargeted/custom endpoint.
+      if (
+        route.id === 'llmtr' &&
+        !isCanonicalLlmtrInferenceBaseUrl(baseUrl)
+      ) {
+        continue
+      }
       return route.id
     }
   }
@@ -1241,7 +1287,9 @@ export function resolveRouteIdFromBaseUrl(
           (route.id === 'longcat' && !isLongcatBaseUrl(baseUrl)) ||
           (route.id === 'apismart' && !isApismartBaseUrl(baseUrl)) ||
           (route.id === 'concentrate' &&
-            !isCanonicalConcentrateInferenceBaseUrl(baseUrl))
+            !isCanonicalConcentrateInferenceBaseUrl(baseUrl)) ||
+          (route.id === 'llmtr' &&
+            !isCanonicalLlmtrInferenceBaseUrl(baseUrl))
         ) {
           continue
         }
@@ -1281,6 +1329,9 @@ function profileRouteHonorsBaseUrlBoundary(
   if (routeId === 'apismart') {
     return isApismartBaseUrl(baseUrl)
   }
+  if (routeId === 'llmtr') {
+    return isCanonicalLlmtrInferenceBaseUrl(baseUrl)
+  }
   return true
 }
 

src/integrations/runtimeMetadata.test.ts

@@ -293,6 +293,24 @@ describe('resolveModelRuntimeLimits', () => {
   })
 })
 
+describe('LLMTR runtime attribution', () => {
+  it('keeps query-bearing endpoints on the generic custom transport', () => {
+    const result = resolveOpenAIShimRuntimeContext({
+      activeProfileProvider: 'llmtr',
+      baseUrl: 'https://llmtr.com/v1?tenant=proxy',
+      model: 'proxy-model',
+      processEnv: {
+        CLAUDE_CODE_USE_OPENAI: '1',
+        OPENAI_API_FORMAT: 'responses',
+      },
+    })
+
+    expect(result.routeId).not.toBe('llmtr')
+    expect(result.openaiShimConfig.requiredApiFormat).toBeUndefined()
+    expect(result.openaiShimConfig.maxTokensField).toBeUndefined()
+  })
+})
+
 describe('AIMLAPI runtime attribution', () => {
   it('sends the fixed partner id on the canonical endpoint only', () => {
     const previous = process.env.AIMLAPI_PARTNER_ID

src/services/api/openaiShim/requestExecutor.test.ts

@@ -20,6 +20,7 @@ const originalEnv = {
   OPENAI_API_BASE: process.env.OPENAI_API_BASE,
   OPENAI_API_KEY: process.env.OPENAI_API_KEY,
   OPENAI_API_KEYS: process.env.OPENAI_API_KEYS,
+  LLMTR_API_KEY: process.env.LLMTR_API_KEY,
   OPENAI_MODEL: process.env.OPENAI_MODEL,
   OPENAI_API_FORMAT: process.env.OPENAI_API_FORMAT,
   OPENAI_AZURE_STYLE: process.env.OPENAI_AZURE_STYLE,
@@ -409,19 +410,25 @@ function makeChatCompletionResponse(model: string): Response {
 
 async function captureChatCompletionRequest(
   model = 'mimo-v2.5-pro',
-): Promise<{ authorization: string | null; url: string | null }> {
+  defaultHeaders: Record<string, string> = {},
+): Promise<{
+  authorization: string | null
+  headers: Record<string, string>
+  url: string | null
+}> {
   let authorization: string | null = null
+  let headers: Record<string, string> = {}
   let url: string | null = null
 
   globalThis.fetch = (async (input, init) => {
     url = String(input)
-    const headers = init?.headers as Record<string, string> | undefined
-    authorization = headers?.Authorization ?? headers?.authorization ?? null
+    headers = (init?.headers as Record<string, string> | undefined) ?? {}
+    authorization = headers.Authorization ?? headers.authorization ?? null
 
     return makeChatCompletionResponse(model)
   }) as unknown as FetchType
 
-  const client = createOpenAIShimClient({}) as OpenAIShimClient
+  const client = createOpenAIShimClient({ defaultHeaders }) as OpenAIShimClient
 
   await client.beta.messages.create({
     model,
@@ -430,7 +437,7 @@ async function captureChatCompletionRequest(
     stream: false,
   })
 
-  return { authorization, url }
+  return { authorization, headers, url }
 }
 
 function makeCodexSseResponse(responseData: Record<string, unknown>): Response {
@@ -444,6 +451,7 @@ beforeEach(async () => {
   delete process.env.OPENAI_API_BASE
   process.env.OPENAI_API_KEY = 'test-key'
   delete process.env.OPENAI_API_KEYS
+  delete process.env.LLMTR_API_KEY
   delete process.env.OPENAI_MODEL
   delete process.env.OPENAI_API_FORMAT
   delete process.env.OPENAI_AZURE_STYLE
@@ -493,6 +501,7 @@ afterEach(() => {
     restoreEnv('OPENAI_API_BASE', originalEnv.OPENAI_API_BASE)
     restoreEnv('OPENAI_API_KEY', originalEnv.OPENAI_API_KEY)
     restoreEnv('OPENAI_API_KEYS', originalEnv.OPENAI_API_KEYS)
+    restoreEnv('LLMTR_API_KEY', originalEnv.LLMTR_API_KEY)
     restoreEnv('OPENAI_MODEL', originalEnv.OPENAI_MODEL)
     restoreEnv('OPENAI_API_FORMAT', originalEnv.OPENAI_API_FORMAT)
     restoreEnv('OPENAI_AZURE_STYLE', originalEnv.OPENAI_AZURE_STYLE)
@@ -570,6 +579,86 @@ test('Concentrate selection prefers its dedicated key over a generic OPENAI_API_
   expect(captured.authorization).toBe('Bearer concentrate-key')
 })
 
+test('selected LLMTR route sends LLMTR_API_KEY through the generic route credential resolver', async () => {
+  process.env.LLMTR_API_KEY = 'llmtr-key'
+  delete process.env.OPENAI_API_KEYS
+  delete process.env.OPENAI_API_KEY
+  delete process.env.OPENAI_BASE_URL
+  delete process.env.OPENAI_MODEL
+
+  const result = applyProviderFlag('llmtr', [])
+  expect(result.error).toBeUndefined()
+
+  const captured = await captureChatCompletionRequest(
+    'deepseek/deepseek-v4-flash',
+  )
+
+  expect(captured.url).toBe('https://llmtr.com/v1/chat/completions')
+  expect(captured.authorization).toBe('Bearer llmtr-key')
+})
+
+test('selected LLMTR route prefers its dedicated key over a generic OPENAI_API_KEYS pool', async () => {
+  process.env.LLMTR_API_KEY = 'llmtr-key'
+  process.env.OPENAI_API_KEYS = 'generic-openai-key-a,generic-openai-key-b'
+  delete process.env.OPENAI_API_KEY
+  delete process.env.OPENAI_BASE_URL
+  delete process.env.OPENAI_MODEL
+
+  const result = applyProviderFlag('llmtr', [])
+  expect(result.error).toBeUndefined()
+
+  const captured = await captureChatCompletionRequest(
+    'deepseek/deepseek-v4-flash',
+  )
+
+  expect(captured.authorization).toBe('Bearer llmtr-key')
+})
+
+test('raw-env LLMTR ignores unsupported custom auth and custom headers', async () => {
+  process.env.CLAUDE_CODE_USE_OPENAI = '1'
+  process.env.OPENAI_BASE_URL = 'https://llmtr.com/v1'
+  process.env.OPENAI_MODEL = 'deepseek/deepseek-v4-flash'
+  process.env.LLMTR_API_KEY = 'llmtr-key'
+  process.env.OPENAI_AUTH_HEADER = 'X-Proxy-Key'
+  process.env.OPENAI_AUTH_SCHEME = 'raw'
+  process.env.OPENAI_AUTH_HEADER_VALUE = 'proxy-secret'
+  process.env.ANTHROPIC_CUSTOM_HEADERS = 'X-Tenant-Secret: tenant-secret'
+  delete process.env.OPENAI_API_KEYS
+  delete process.env.OPENAI_API_KEY
+
+  const captured = await captureChatCompletionRequest(
+    'deepseek/deepseek-v4-flash',
+    { 'X-Tenant-Secret': 'tenant-secret' },
+  )
+
+  expect(captured.url).toBe('https://llmtr.com/v1/chat/completions')
+  expect(captured.authorization).toBe('Bearer llmtr-key')
+  expect(captured.headers['X-Proxy-Key']).toBeUndefined()
+  expect(captured.headers['X-Tenant-Secret']).toBeUndefined()
+})
+
+test('custom endpoints preserve configured auth and custom headers', async () => {
+  process.env.CLAUDE_CODE_USE_OPENAI = '1'
+  process.env.OPENAI_BASE_URL = 'https://proxy.example/v1'
+  process.env.OPENAI_MODEL = 'proxy-model'
+  process.env.LLMTR_API_KEY = 'llmtr-key'
+  process.env.OPENAI_AUTH_HEADER = 'X-Proxy-Key'
+  process.env.OPENAI_AUTH_SCHEME = 'raw'
+  process.env.OPENAI_AUTH_HEADER_VALUE = 'proxy-secret'
+  process.env.ANTHROPIC_CUSTOM_HEADERS = 'X-Tenant-Secret: tenant-secret'
+  delete process.env.OPENAI_API_KEYS
+  delete process.env.OPENAI_API_KEY
+
+  const captured = await captureChatCompletionRequest('proxy-model', {
+    'X-Tenant-Secret': 'tenant-secret',
+  })
+
+  expect(captured.url).toBe('https://proxy.example/v1/chat/completions')
+  expect(captured.authorization).toBeNull()
+  expect(captured.headers['X-Proxy-Key']).toBe('proxy-secret')
+  expect(captured.headers['X-Tenant-Secret']).toBe('tenant-secret')
+})
+
 test('gitlawb opengateway provider flag uses generic OPENAI_API_KEYS pool before generic OPENAI_API_KEY fallback', async () => {
   process.env.OPENGATEWAY_BASE_URL = 'http://localhost:8181/v1'
   process.env.OPENAI_API_KEYS = 'fake-openai-pool-a,fake-openai-pool-b'

src/services/api/openaiShim/requestExecutor.ts

@@ -5,6 +5,7 @@ import {
   redactEncodedSecretSubstringsForDisplay,
   redactSecretSubstringsForDisplay,
 } from '../../../utils/providerSecrets.js'
+import { parseCustomHeadersEnv } from '../../../utils/providerCustomHeaders.js'
 
 export function formatRetryAfterHint(response: Response): string {
   const retryAfter = response.headers.get('retry-after')
@@ -240,11 +241,35 @@ export async function executeOpenAIRequest(
     isGithubCopilot,
     isGithubModels,
   } = context
+  // Existing routes historically accept process-level custom auth even when
+  // their profile UI hides those controls. LLMTR is the new fixed-contract
+  // route: enforce its explicit capability without changing that compatibility
+  // behavior for unrelated providers or generic custom endpoints.
+  const supportsConfiguredAuthHeaders =
+    runtimeShimContext.routeId !== 'llmtr' ||
+    runtimeShimContext.openaiShimConfig.supportsAuthHeaders === true
+  const unsupportedCustomHeaderNames = supportsConfiguredAuthHeaders
+    ? null
+    : new Set(
+        Object.keys(
+          parseCustomHeadersEnv(
+            requestProcessEnv.ANTHROPIC_CUSTOM_HEADERS,
+          ) ?? {},
+        ).map(name => name.toLowerCase()),
+      )
+  const filterUnsupportedCustomHeaders = (
+    headers: Record<string, string> | undefined,
+  ): Record<string, string> =>
+    Object.fromEntries(
+      Object.entries(headers ?? {}).filter(
+        ([name]) => !unsupportedCustomHeaderNames?.has(name.toLowerCase()),
+      ),
+    )
   const baseHeaders: Record<string, string> = {
     'Content-Type': 'application/json',
     ...filterAnthropicHeaders(shimConfig.headers),
-    ...defaultHeaders,
-    ...filterAnthropicHeaders(options?.headers),
+    ...filterUnsupportedCustomHeaders(defaultHeaders),
+    ...filterUnsupportedCustomHeaders(filterAnthropicHeaders(options?.headers)),
   }
 
   const isGemini = isGeminiMode()
@@ -292,6 +317,7 @@ export async function executeOpenAIRequest(
       requestProcessEnv.NEARAI_API_KEY,
       requestProcessEnv.FIREWORKS_API_KEY,
       requestProcessEnv.LONGCAT_API_KEY,
+      requestProcessEnv.LLMTR_API_KEY,
     ].some((value) => value?.trim() === openAIApiKeyRawUsable),
   )
   const routeCredentialIsCopiedProviderKey = Boolean(
@@ -330,7 +356,8 @@ export async function executeOpenAIRequest(
   const catalogAuthHeader =
     runtimeShimContext.catalogEntry?.transportOverrides?.openaiShim
       ?.defaultAuthHeader
-  const configuredAuthHeaderValue = catalogAuthHeader
+  const configuredAuthHeaderValue =
+    catalogAuthHeader || !supportsConfiguredAuthHeaders
     ? undefined
     : requestProcessEnv.OPENAI_AUTH_HEADER_VALUE?.trim()
   if (configuredAuthHeaderValue && /[\r\n]/.test(configuredAuthHeaderValue)) {
@@ -338,7 +365,8 @@ export async function executeOpenAIRequest(
       'OPENAI_AUTH_HEADER_VALUE must not contain CR/LF characters',
     )
   }
-  const customAuthHeader = catalogAuthHeader
+  const customAuthHeader =
+    catalogAuthHeader || !supportsConfiguredAuthHeaders
     ? undefined
     : requestProcessEnv.OPENAI_AUTH_HEADER?.trim()
   const hasCustomAuthHeader = Boolean(

src/utils/envFile.test.ts

@@ -18,6 +18,7 @@ const TEST_ENV_KEYS = [
   'CLAUDE_CODE_USE_OPENAI',
   'CODEX_AUTH_JSON_PATH',
   'CODEX_HOME',
+  'LLMTR_API_KEY',
   'APISMART_API_KEY',
   'APISMART_MODEL',
   'OPENAI_API_KEYS',
@@ -292,6 +293,17 @@ describe('loadEnvFile', () => {
     })
   })
 
+  it('loads the dedicated LLMTR credential without selecting a route', () => {
+    const filePath = writeTempEnvFile('LLMTR_API_KEY=llmtr-key')
+
+    const loaded = loadEnvFile(filePath)
+
+    expect(process.env.LLMTR_API_KEY).toBe('llmtr-key')
+    expect(process.env.CLAUDE_CODE_USE_OPENAI).toBeUndefined()
+    expect(process.env.OPENAI_BASE_URL).toBeUndefined()
+    expect(loaded).toEqual({ LLMTR_API_KEY: 'llmtr-key' })
+  })
+
   it('loads documented Concentrate env-only provider setup values', () => {
     const filePath = writeTempEnvFile([
       'CONCENTRATE_API_KEY=concentrate-key',

src/utils/envFile.ts

@@ -77,6 +77,7 @@ const ALLOWED_ENV_FILE_KEYS = new Set([
   'JINA_API_KEY',
   'KIMI_API_KEY',
   'LINKUP_API_KEY',
+  'LLMTR_API_KEY',
   'LONGCAT_API_KEY',
   'MINIMAX_API_KEY',
   'MINIMAX_BASE_URL',

src/utils/providerFlag.test.ts

@@ -32,6 +32,7 @@ const ENV_KEYS = [
   'OPENAI_AUTH_HEADER',
   'OPENAI_AUTH_SCHEME',
   'OPENAI_AUTH_HEADER_VALUE',
+  'LLMTR_API_KEY',
   'GEMINI_MODEL',
   'NVIDIA_API_KEY',
   'NVIDIA_NIM',
@@ -574,6 +575,71 @@ describe('applyProviderFlag - descriptor-backed openai-compatible routes', () =>
     expect(process.env.OPENAI_BASE_URL).toBe('http://proxy.local:8080/v1')
   })
 
+  test('LLMTR clears stale custom auth only on its canonical endpoint', () => {
+    process.env.LLMTR_API_KEY = 'llmtr-key'
+    process.env.OPENAI_API_FORMAT = 'responses'
+    process.env.OPENAI_AUTH_HEADER = 'X-Proxy-Key'
+    process.env.OPENAI_AUTH_SCHEME = 'raw'
+    process.env.OPENAI_AUTH_HEADER_VALUE = 'proxy-secret'
+    process.env.ANTHROPIC_CUSTOM_HEADERS = 'X-Tenant-Secret: tenant-secret'
+
+    const result = applyProviderFlag('llmtr', [])
+
+    expect(result.error).toBeUndefined()
+    expect(process.env.OPENAI_BASE_URL).toBe('https://llmtr.com/v1')
+    expect(process.env.OPENAI_API_FORMAT).toBeUndefined()
+    expect(process.env.OPENAI_AUTH_HEADER).toBeUndefined()
+    expect(process.env.OPENAI_AUTH_SCHEME).toBeUndefined()
+    expect(process.env.OPENAI_AUTH_HEADER_VALUE).toBeUndefined()
+    expect(process.env.ANTHROPIC_CUSTOM_HEADERS).toBeUndefined()
+  })
+
+  test('LLMTR preserves custom endpoint auth settings when the endpoint is explicit', () => {
+    process.env.OPENAI_BASE_URL = 'https://proxy.example/v1'
+    process.env.OPENAI_API_FORMAT = 'responses'
+    process.env.OPENAI_AUTH_HEADER = 'X-Proxy-Key'
+    process.env.OPENAI_AUTH_SCHEME = 'raw'
+    process.env.OPENAI_AUTH_HEADER_VALUE = 'proxy-secret'
+    process.env.ANTHROPIC_CUSTOM_HEADERS = 'X-Tenant-Secret: tenant-secret'
+
+    const result = applyProviderFlag('llmtr', [])
+
+    expect(result.error).toBeUndefined()
+    expect(process.env.OPENAI_BASE_URL).toBe('https://proxy.example/v1')
+    expect(process.env.OPENAI_API_FORMAT).toBe('responses')
+    expect(process.env.OPENAI_AUTH_HEADER).toBe('X-Proxy-Key')
+    expect(process.env.OPENAI_AUTH_SCHEME).toBe('raw')
+    expect(process.env.OPENAI_AUTH_HEADER_VALUE).toBe('proxy-secret')
+    expect(process.env.ANTHROPIC_CUSTOM_HEADERS).toBe(
+      'X-Tenant-Secret: tenant-secret',
+    )
+  })
+
+  test('clears an LLMTR key copied into OPENAI_API_KEY when switching routes', () => {
+    process.env.LLMTR_API_KEY = 'llmtr-secret'
+    process.env.OPENAI_API_KEY = 'llmtr-secret'
+    process.env.OPENAI_BASE_URL = 'https://llmtr.com/v1'
+
+    const result = applyProviderFlag('openrouter', [])
+
+    expect(result.error).toBeUndefined()
+    expect(process.env.OPENAI_BASE_URL).toBe('https://openrouter.ai/api/v1')
+    expect(process.env.OPENAI_API_KEY).toBeUndefined()
+    expect(process.env.LLMTR_API_KEY).toBe('llmtr-secret')
+  })
+
+  test('preserves an independent generic OPENAI_API_KEY when switching from LLMTR', () => {
+    process.env.LLMTR_API_KEY = 'llmtr-secret'
+    process.env.OPENAI_API_KEY = 'generic-openai-secret'
+    process.env.OPENAI_BASE_URL = 'https://llmtr.com/v1'
+
+    const result = applyProviderFlag('openrouter', [])
+
+    expect(result.error).toBeUndefined()
+    expect(process.env.OPENAI_BASE_URL).toBe('https://openrouter.ai/api/v1')
+    expect(process.env.OPENAI_API_KEY).toBe('generic-openai-secret')
+  })
+
   test('descriptor-backed provider selection preserves custom OPENAI_API_BASE alias', () => {
     process.env.OPENAI_API_BASE = 'http://proxy.local:8080/v1'
     process.env.OPENGATEWAY_API_KEY = 'fake-ogw-key'

src/utils/providerFlag.ts

@@ -32,6 +32,7 @@ import { PRESET_VENDOR_MAP } from '../integrations/compatibility.js'
 import {
   isCanonicalApismartInferenceBaseUrl,
   isCanonicalConcentrateInferenceBaseUrl,
+  isCanonicalLlmtrInferenceBaseUrl,
 } from '../integrations/routeMetadata.js'
 import { hasUsableOpenAICredential } from '../services/api/credentialPool.js'
 import { isFirstPartyAnthropicBaseUrlForEnv } from './anthropicBaseUrl.js'
@@ -364,6 +365,9 @@ export function applyProviderFlag(
                         : process.env.OPENAI_API_KEY !== undefined &&
                           process.env.OPENAI_API_KEY === process.env.CONCENTRATE_API_KEY
                         ? 'concentrate'
+                        : process.env.OPENAI_API_KEY !== undefined &&
+                          process.env.OPENAI_API_KEY === process.env.LLMTR_API_KEY
+                        ? 'llmtr'
                         : process.env.OPENAI_API_KEY !== undefined &&
                           process.env.OPENAI_API_KEY === process.env.NEARAI_API_KEY
                         ? 'nearai'
@@ -837,6 +841,13 @@ export function applyProviderFlag(
     default:
       process.env.CLAUDE_CODE_USE_OPENAI = '1'
       applyOpenAIBaseUrlDefault(provider, defaultBaseUrl)
+      if (
+        provider === 'llmtr' &&
+        isCanonicalLlmtrInferenceBaseUrl(getConfiguredOpenAIBaseUrl())
+      ) {
+        clearUnsupportedOpenAIShimSettings('llmtr')
+        delete process.env.ANTHROPIC_CUSTOM_HEADERS
+      }
       if (defaultModel) {
         process.env.OPENAI_MODEL ??= defaultModel
       }

src/utils/providerProfile.test.ts

@@ -3148,6 +3148,44 @@ test('openai launch withholds ambient Concentrate credentials from a keyless pro
   assert.equal(canonical.CONCENTRATE_API_KEY, 'ambient-concentrate-key')
 })
 
+test('openai launch withholds ambient LLMTR credentials from a keyless proxy profile on restart', async () => {
+  const env = await buildLaunchEnv({
+    profile: 'openai',
+    persisted: profile('openai', {
+      CLAUDE_CODE_PROVIDER_ROUTE_ID: 'llmtr',
+      OPENAI_BASE_URL: 'https://proxy.example.com/v1',
+      OPENAI_MODEL: 'proxy-model',
+    }),
+    goal: 'coding',
+    processEnv: {
+      OPENAI_BASE_URL: 'https://proxy.example.com/v1',
+      OPENAI_API_KEY: 'ambient-llmtr-key',
+      LLMTR_API_KEY: 'ambient-llmtr-key',
+    },
+  })
+
+  assert.equal(env.CLAUDE_CODE_PROVIDER_ROUTE_ID, 'llmtr')
+  assert.equal(env.OPENAI_API_KEY, undefined)
+  assert.equal(env.LLMTR_API_KEY, undefined)
+
+  const canonical = await buildLaunchEnv({
+    profile: 'openai',
+    persisted: profile('openai', {
+      CLAUDE_CODE_PROVIDER_ROUTE_ID: 'llmtr',
+      OPENAI_BASE_URL: 'https://llmtr.com/v1',
+      OPENAI_MODEL: 'deepseek/deepseek-v4-flash',
+    }),
+    goal: 'coding',
+    processEnv: {
+      OPENAI_BASE_URL: 'https://llmtr.com/v1',
+      LLMTR_API_KEY: 'ambient-llmtr-key',
+    },
+  })
+
+  assert.equal(canonical.OPENAI_API_KEY, undefined)
+  assert.equal(canonical.LLMTR_API_KEY, 'ambient-llmtr-key')
+})
+
 test('openai launch removes a legacy persisted Concentrate key from a noncanonical URL', async () => {
   const env = await buildLaunchEnv({
     profile: 'openai',

src/utils/providerProfile.ts

@@ -27,6 +27,7 @@ import {
   getRouteDefaultModel,
   isCanonicalApismartInferenceBaseUrl,
   isCanonicalConcentrateInferenceBaseUrl,
+  isCanonicalLlmtrInferenceBaseUrl,
   isLongcatBaseUrl,
   normalizeXiaomiMimoBaseUrl,
   resolveRouteCredentialValue,
@@ -118,6 +119,7 @@ const PROFILE_ENV_KEYS = [
   'NEARAI_API_KEY',
   'FIREWORKS_API_KEY',
   'LONGCAT_API_KEY',
+  'LLMTR_API_KEY',
   'CONCENTRATE_API_KEY',
   'CONCENTRATE_BASE_URL',
   'CONCENTRATE_MODEL',
@@ -208,6 +210,7 @@ export type ProfileEnv = {
   NEARAI_API_KEY?: string
   FIREWORKS_API_KEY?: string
   LONGCAT_API_KEY?: string
+  LLMTR_API_KEY?: string
   CONCENTRATE_API_KEY?: string
   CONCENTRATE_BASE_URL?: string
   CONCENTRATE_MODEL?: string
@@ -2147,8 +2150,15 @@ export async function buildLaunchEnv(options: {
     effectiveOpenAIRouteId === 'concentrate' &&
     !!env.OPENAI_BASE_URL?.trim() &&
     !isCanonicalConcentrateInferenceBaseUrl(env.OPENAI_BASE_URL)
+  const isNoncanonicalLlmtrLaunch =
+    effectiveOpenAIRouteId === 'llmtr' &&
+    !!env.OPENAI_BASE_URL?.trim() &&
+    !isCanonicalLlmtrInferenceBaseUrl(env.OPENAI_BASE_URL)
   const isNoncanonicalDedicatedOpenAILaunch =
-    isNoncanonicalAimlapiLaunch || isNoncanonicalApismartLaunch || isNoncanonicalConcentrateLaunch
+    isNoncanonicalAimlapiLaunch ||
+    isNoncanonicalApismartLaunch ||
+    isNoncanonicalConcentrateLaunch ||
+    isNoncanonicalLlmtrLaunch
   if (isNoncanonicalDedicatedOpenAILaunch) {
     delete env.OPENAI_API_KEY
     delete env.OPENAI_API_KEYS
@@ -2157,7 +2167,7 @@ export async function buildLaunchEnv(options: {
     // dedicated credential is never valid off the canonical endpoint, and
     // older profiles could have stored that same secret under either generic
     // alias. Do not resurrect it for a noncanonical Concentrate launch.
-    if (!isNoncanonicalConcentrateLaunch) {
+    if (!isNoncanonicalConcentrateLaunch && !isNoncanonicalLlmtrLaunch) {
       const persistedCredential = resolveOpenAICredentialEnvSelection(persistedEnv)
       if (persistedCredential) {
         env[persistedCredential.envVar] = persistedCredential.value
@@ -2190,6 +2200,7 @@ export async function buildLaunchEnv(options: {
     'ATLAS_CLOUD_API_KEY',
     'APISMART_API_KEY',
     'CONCENTRATE_API_KEY',
+    'LLMTR_API_KEY',
     'NEARAI_API_KEY',
     'FIREWORKS_API_KEY',
     'LONGCAT_API_KEY',
@@ -2211,6 +2222,9 @@ export async function buildLaunchEnv(options: {
     if (dedicatedKey === 'CONCENTRATE_API_KEY' && effectiveOpenAIRouteId !== 'concentrate') {
       continue
     }
+    if (dedicatedKey === 'LLMTR_API_KEY' && effectiveOpenAIRouteId !== 'llmtr') {
+      continue
+    }
     if (dedicatedKey === 'NVIDIA_API_KEY' && effectiveOpenAIRouteId !== 'nvidia-nim') {
       continue
     }
@@ -2238,14 +2252,21 @@ export async function buildLaunchEnv(options: {
       dedicatedKey === 'CONCENTRATE_API_KEY' &&
       !!dedicatedBaseUrl &&
       !isCanonicalConcentrateInferenceBaseUrl(dedicatedBaseUrl)
+    const withholdAmbientLlmtrKey =
+      dedicatedKey === 'LLMTR_API_KEY' &&
+      !!dedicatedBaseUrl &&
+      !isCanonicalLlmtrInferenceBaseUrl(dedicatedBaseUrl)
     const withholdAmbientDedicatedKey =
-      withholdAmbientAimlapiKey || withholdAmbientApismartKey || withholdAmbientConcentrateKey
+      withholdAmbientAimlapiKey ||
+      withholdAmbientApismartKey ||
+      withholdAmbientConcentrateKey ||
+      withholdAmbientLlmtrKey
     // Unlike the generic proxy-compatible routes above, Concentrate's
     // dedicated key is never valid outside its canonical inference endpoint.
     // Do not preserve a legacy persisted key for a retargeted Concentrate
     // profile: older versions could have serialized one before this boundary
     // was enforced.
-    if (withholdAmbientConcentrateKey) {
+    if (withholdAmbientConcentrateKey || withholdAmbientLlmtrKey) {
       continue
     }
     // AIMLAPI accepts generic OpenAI credentials, but ApiSmart is
@@ -2278,9 +2299,23 @@ export async function buildLaunchEnv(options: {
       persistedOpenAICredential?.kind === 'usable'
         ? sanitizeApiKey(persistedOpenAICredential.value)
         : undefined
+    // A selected canonical LLMTR profile owns its saved credential. Prefer it
+    // over an unrelated ambient LLMTR_API_KEY on restart, and migrate startup
+    // files written before LLMTR_API_KEY was persisted explicitly.
+    const persistedLlmtrProfileKey =
+      dedicatedKey === 'LLMTR_API_KEY' &&
+      effectiveOpenAIRouteId === 'llmtr' &&
+      !!dedicatedBaseUrl &&
+      isCanonicalLlmtrInferenceBaseUrl(dedicatedBaseUrl)
+        ? sanitizeApiKey(persistedEnv.LLMTR_API_KEY) ||
+          (persistedOpenAICredential?.kind === 'usable'
+            ? sanitizeApiKey(persistedOpenAICredential.value)
+            : undefined)
+        : undefined
     const dedicatedValue = withholdAmbientDedicatedKey
       ? sanitizeApiKey(persistedEnv[dedicatedKey])
       : backfillDedicatedFromOpenAI ||
+        persistedLlmtrProfileKey ||
         sanitizeApiKey(processEnv[dedicatedKey]) ||
         sanitizeApiKey(persistedEnv[dedicatedKey]) ||
         backfillLegacyApismartProfileKey ||
@@ -2390,10 +2425,16 @@ export async function buildStartupEnvFromProfile(options?: {
     persisted.env.CLAUDE_CODE_PROVIDER_ROUTE_ID === 'concentrate' &&
     !!persisted.env.OPENAI_BASE_URL?.trim() &&
     !isCanonicalConcentrateInferenceBaseUrl(persisted.env.OPENAI_BASE_URL)
+  const persistedLlmtrProxy =
+    persisted?.profile === 'openai' &&
+    persisted.env.CLAUDE_CODE_PROVIDER_ROUTE_ID === 'llmtr' &&
+    !!persisted.env.OPENAI_BASE_URL?.trim() &&
+    !isCanonicalLlmtrInferenceBaseUrl(persisted.env.OPENAI_BASE_URL)
   if (
     hasConcreteProviderSelection(processEnv) &&
     !persistedApismartProxy &&
-    !persistedConcentrateProxy
+    !persistedConcentrateProxy &&
+    !persistedLlmtrProxy
   ) {
     return processEnv
   }

src/utils/providerProfiles.test.ts

@@ -5,6 +5,7 @@ import { join } from 'node:path'
 import { afterEach, beforeEach, describe, expect, mock, test } from 'bun:test'
 
 import { acquireEnvMutex, releaseEnvMutex } from '../entrypoints/sdk/shared.js'
+import { resolveRouteCredentialValue } from '../integrations/routeMetadata.js'
 import type { ProviderProfile } from './config.js'
 
 async function importFreshProvidersModule() {
@@ -72,6 +73,7 @@ const RESTORED_KEYS = [
   'ATLAS_CLOUD_API_KEY',
   'APISMART_API_KEY',
   'APISMART_MODEL',
+  'LLMTR_API_KEY',
   'CONCENTRATE_API_KEY',
   'CONCENTRATE_BASE_URL',
   'CONCENTRATE_MODEL',
@@ -292,6 +294,17 @@ function buildConcentrateProfile(overrides: Partial<ProviderProfile> = {}): Prov
   })
 }
 
+function buildLlmtrProfile(overrides: Partial<ProviderProfile> = {}): ProviderProfile {
+  return buildProfile({
+    provider: 'llmtr',
+    name: 'LLMTR',
+    baseUrl: 'https://llmtr.com/v1',
+    model: 'deepseek/deepseek-v4-flash',
+    apiKey: 'llmtr-test-key',
+    ...overrides,
+  })
+}
+
 function buildClinePassProfile(overrides: Partial<ProviderProfile> = {}): ProviderProfile {
   return buildProfile({
     provider: 'clinepass',
@@ -317,6 +330,50 @@ function buildCloudflareProfile(overrides: Partial<ProviderProfile> = {}): Provi
 }
 
 describe('applyProviderProfileToProcessEnv', () => {
+  test('LLMTR profile clears an ambient dedicated key so its saved key wins', async () => {
+    const { applyProviderProfileToProcessEnv } =
+      await importFreshProviderProfileModules()
+    process.env.LLMTR_API_KEY = 'ambient-old'
+
+    applyProviderProfileToProcessEnv(
+      buildProfile({
+        provider: 'llmtr',
+        name: 'LLMTR',
+        baseUrl: 'https://llmtr.com/v1',
+        model: 'deepseek/deepseek-v4-flash',
+        apiKey: 'selected-new',
+      }),
+    )
+
+    expect(process.env.LLMTR_API_KEY).toBeUndefined()
+    expect(process.env.OPENAI_API_KEY).toBe('selected-new')
+    expect(
+      resolveRouteCredentialValue({
+        routeId: 'llmtr',
+        baseUrl: process.env.OPENAI_BASE_URL,
+        processEnv: process.env,
+      }),
+    ).toBe('selected-new')
+  }, 20_000)
+
+  test('keyless canonical LLMTR profile adopts its ambient dedicated key', async () => {
+    const { applyProviderProfileToProcessEnv } =
+      await importFreshProviderProfileModules()
+    process.env.LLMTR_API_KEY = 'ambient-llmtr-key'
+
+    applyProviderProfileToProcessEnv(buildLlmtrProfile({ apiKey: undefined }))
+
+    expect(process.env.LLMTR_API_KEY).toBe('ambient-llmtr-key')
+    expect(process.env.OPENAI_API_KEY).toBe('ambient-llmtr-key')
+    expect(
+      resolveRouteCredentialValue({
+        routeId: 'llmtr',
+        baseUrl: process.env.OPENAI_BASE_URL,
+        processEnv: process.env,
+      }),
+    ).toBe('ambient-llmtr-key')
+  }, 20_000)
+
   test('applies Azure-style routing from a saved OpenAI-compatible profile', async () => {
     const { applyProviderProfileToProcessEnv } =
       await importFreshProviderProfileModules()
@@ -1802,6 +1859,87 @@ describe('applyProviderProfileToProcessEnv', () => {
     expect(process.env.ANTHROPIC_MODEL).toBe('claude-sonnet-4-6')
     expect(process.env.CLAUDE_CODE_OPENAI_CONTEXT_WINDOWS).toBeUndefined()
   })
+
+  test('retargeted LLMTR profile withholds its dedicated credential', async () => {
+    const { applyProviderProfileToProcessEnv } =
+      await importFreshProviderProfileModules()
+
+    applyProviderProfileToProcessEnv(
+      buildLlmtrProfile({ baseUrl: 'https://proxy.example/v1' }),
+    )
+
+    expect(process.env.OPENAI_BASE_URL).toBe('https://proxy.example/v1')
+    expect(process.env.OPENAI_API_KEY).toBeUndefined()
+    expect(process.env.LLMTR_API_KEY).toBeUndefined()
+  })
+
+  test('query-bearing LLMTR profiles retain generic proxy capabilities', async () => {
+    const { addProviderProfile, applyProviderProfileToProcessEnv } =
+      await importFreshProviderProfileModules()
+    process.env.LLMTR_API_KEY = 'ambient-llmtr-key'
+
+    const saved = addProviderProfile({
+      provider: 'llmtr',
+      name: 'LLMTR query proxy',
+      baseUrl: 'https://llmtr.com/v1?tenant=proxy',
+      model: 'proxy-model',
+      apiKey: 'saved-llmtr-key',
+      apiFormat: 'responses',
+      authHeader: 'X-Proxy-Key',
+      authScheme: 'raw',
+      authHeaderValue: 'proxy-auth-value',
+      customHeaders: { 'X-Proxy-Trace': 'enabled' },
+    })
+
+    applyProviderProfileToProcessEnv(saved!)
+
+    expect(process.env.OPENAI_API_FORMAT).toBe('responses')
+    expect(process.env.OPENAI_AUTH_HEADER).toBe('X-Proxy-Key')
+    expect(process.env.OPENAI_AUTH_HEADER_VALUE).toBe('proxy-auth-value')
+    expect(process.env.ANTHROPIC_CUSTOM_HEADERS).toBe(
+      'X-Proxy-Trace: enabled',
+    )
+    expect(process.env.OPENAI_API_KEY).toBeUndefined()
+    expect(process.env.LLMTR_API_KEY).toBeUndefined()
+  })
+
+  test('retargeted LLMTR profiles retain generic proxy capabilities', async () => {
+    const { addProviderProfile, applyProviderProfileToProcessEnv } =
+      await importFreshProviderProfileModules()
+
+    const saved = addProviderProfile({
+      provider: 'llmtr',
+      name: 'LLMTR proxy',
+      baseUrl: 'https://proxy.example/v1',
+      model: 'proxy-model',
+      apiKey: 'llmtr-test-key',
+      apiFormat: 'responses',
+      authHeader: 'X-Proxy-Key',
+      authScheme: 'raw',
+      authHeaderValue: 'proxy-auth-value',
+      customHeaders: { 'X-Proxy-Trace': 'enabled' },
+    })
+
+    expect(saved).toMatchObject({
+      apiFormat: 'responses',
+      authHeader: 'X-Proxy-Key',
+      authScheme: 'raw',
+      authHeaderValue: 'proxy-auth-value',
+      customHeaders: { 'X-Proxy-Trace': 'enabled' },
+    })
+
+    applyProviderProfileToProcessEnv(saved!)
+
+    expect(process.env.OPENAI_API_FORMAT).toBe('responses')
+    expect(process.env.OPENAI_AUTH_HEADER).toBe('X-Proxy-Key')
+    expect(process.env.OPENAI_AUTH_SCHEME).toBe('raw')
+    expect(process.env.OPENAI_AUTH_HEADER_VALUE).toBe('proxy-auth-value')
+    expect(process.env.ANTHROPIC_CUSTOM_HEADERS).toBe(
+      'X-Proxy-Trace: enabled',
+    )
+    expect(process.env.OPENAI_API_KEY).toBeUndefined()
+    expect(process.env.LLMTR_API_KEY).toBeUndefined()
+  })
 })
 
 describe('getProviderProfiles', () => {
@@ -1918,6 +2056,7 @@ describe('clearActiveProviderProfile', () => {
     expect(process.env.OPENAI_BASE_URL).toBeUndefined()
     expect(process.env.OPENAI_API_KEY).toBeUndefined()
   })
+
 })
 
 describe('Anthropic sentinel survives profile management (#1426)', () => {
@@ -3615,6 +3754,66 @@ describe('setActiveProviderProfile', () => {
     }
   })
 
+  test('keyed canonical LLMTR profiles persist their saved dedicated credential across restart', async () => {
+    const tempDir = mkdtempSync(join(tmpdir(), 'openclaude-provider-'))
+    const configDir = mkdtempSync(join(tmpdir(), 'openclaude-provider-config-'))
+    process.chdir(tempDir)
+    process.env.CLAUDE_CONFIG_DIR = configDir
+
+    try {
+      const { setActiveProviderProfile } =
+        await importFreshProviderProfileModules()
+      const llmtrProfile = buildLlmtrProfile({ id: 'llmtr_profile' })
+
+      saveMockGlobalConfig(current => ({
+        ...current,
+        providerProfiles: [llmtrProfile],
+      }))
+
+      const result = setActiveProviderProfile('llmtr_profile', { configDir })
+      const persisted = JSON.parse(
+        readFileSync(join(configDir, '.openclaude-profile.json'), 'utf8'),
+      )
+
+      expect(result?.id).toBe('llmtr_profile')
+      expect(persisted.profile).toBe('openai')
+      expect(persisted.env).toMatchObject({
+        OPENAI_BASE_URL: 'https://llmtr.com/v1',
+        OPENAI_MODEL: 'deepseek/deepseek-v4-flash',
+        OPENAI_API_KEY: 'llmtr-test-key',
+        LLMTR_API_KEY: 'llmtr-test-key',
+      })
+
+      const { buildStartupEnvFromProfile } = await import(
+        `./providerProfile.js?ts=${Date.now()}-${Math.random()}`
+      )
+      const startupEnv = await buildStartupEnvFromProfile({
+        persisted,
+        processEnv: {
+          LLMTR_API_KEY: 'ambient-unrelated-key',
+        },
+      })
+
+      expect(startupEnv.OPENAI_API_KEY).toBe('llmtr-test-key')
+      expect(startupEnv.LLMTR_API_KEY).toBe('llmtr-test-key')
+
+      delete persisted.env.LLMTR_API_KEY
+      const migratedStartupEnv = await buildStartupEnvFromProfile({
+        persisted,
+        processEnv: {
+          LLMTR_API_KEY: 'ambient-unrelated-key',
+        },
+      })
+
+      expect(migratedStartupEnv.OPENAI_API_KEY).toBe('llmtr-test-key')
+      expect(migratedStartupEnv.LLMTR_API_KEY).toBe('llmtr-test-key')
+    } finally {
+      process.chdir(originalCwd)
+      rmSync(tempDir, { recursive: true, force: true })
+      rmSync(configDir, { recursive: true, force: true })
+    }
+  })
+
   test('persists Xiaomi MiMo profiles using a legacy-compatible openai startup profile', async () => {
     const tempDir = mkdtempSync(join(tmpdir(), 'openclaude-provider-'))
     const configDir = mkdtempSync(join(tmpdir(), 'openclaude-provider-config-'))

src/utils/providerProfiles.ts

@@ -57,6 +57,7 @@ import {
   isClinePassBaseUrl,
   isCanonicalApismartInferenceBaseUrl,
   isCanonicalConcentrateInferenceBaseUrl,
+  isCanonicalLlmtrInferenceBaseUrl,
   isFireworksBaseUrl,
   isLongcatBaseUrl,
   isNearaiBaseUrl,
@@ -175,6 +176,15 @@ function isConcentrateProfile(profile: ProviderProfile): boolean {
   return !baseUrl || isCanonicalConcentrateInferenceBaseUrl(baseUrl)
 }
 
+function isLlmtrProfile(profile: ProviderProfile): boolean {
+  const { route } = resolveProfileCompatibility(profile.provider)
+  if (route.routeId !== 'llmtr') {
+    return false
+  }
+  const baseUrl = profile.baseUrl?.trim()
+  return !baseUrl || isCanonicalLlmtrInferenceBaseUrl(baseUrl)
+}
+
 function deriveGithubEnterpriseUrl(baseUrl: string | undefined): string | undefined {
   if (!baseUrl?.trim()) return undefined
   try {
@@ -239,7 +249,7 @@ function normalizeBaseUrl(value: string): string {
   return trimValue(value).replace(/\/+$/, '')
 }
 
-function resolveProfileCapabilityRouteId(
+export function resolveProfileCapabilityRouteId(
   provider: string,
   baseUrl?: string,
 ): string {
@@ -259,13 +269,16 @@ function resolveProfileCapabilityRouteId(
   if (
     (providerRouteId === 'cloudflare' ||
       providerRouteId === 'longcat' ||
-      providerRouteId === 'concentrate') &&
+      providerRouteId === 'concentrate' ||
+      providerRouteId === 'llmtr') &&
     baseUrl &&
     !(providerRouteId === 'cloudflare'
       ? isCloudflareBaseUrl(baseUrl)
       : providerRouteId === 'longcat'
         ? isLongcatBaseUrl(baseUrl)
-        : isCanonicalConcentrateInferenceBaseUrl(baseUrl))
+        : providerRouteId === 'concentrate'
+          ? isCanonicalConcentrateInferenceBaseUrl(baseUrl)
+          : isCanonicalLlmtrInferenceBaseUrl(baseUrl))
   ) {
     return 'custom'
   }
@@ -1023,10 +1036,13 @@ export function applyProviderProfileToProcessEnv(
       route.routeId === 'apismart' && !isApismartProfile(profile)
     const withholdRetargetedConcentrateCredential =
       route.routeId === 'concentrate' && !isConcentrateProfile(profile)
+    const withholdRetargetedLlmtrCredential =
+      route.routeId === 'llmtr' && !isLlmtrProfile(profile)
     if (
       profile.apiKey &&
       !withholdRetargetedApismartCredential &&
-      !withholdRetargetedConcentrateCredential
+      !withholdRetargetedConcentrateCredential &&
+      !withholdRetargetedLlmtrCredential
     ) {
       openAIProfileEnv.OPENAI_API_KEY = profile.apiKey
       if (route.vendorId === 'minimax' || normalizedProfileBaseUrl.toLowerCase().includes('minimax')) {
@@ -1148,6 +1164,22 @@ export function applyProviderProfileToProcessEnv(
         }
       }
     }
+    // A keyless canonical LLMTR profile may use the dedicated credential from
+    // the ambient environment. Profile application clears all managed provider
+    // variables before installing this object, so adopt it here while the
+    // canonical endpoint boundary is still known. Never carry it to a
+    // retargeted profile.
+    if (route.routeId === 'llmtr') {
+      openAIProfileEnv.CLAUDE_CODE_PROVIDER_ROUTE_ID = 'llmtr'
+      if (isLlmtrProfile(profile) && !profile.apiKey) {
+        const ambientLlmtrKey = sanitizeApiKey(process.env.LLMTR_API_KEY)
+        if (ambientLlmtrKey) {
+          openAIProfileEnv.OPENAI_API_KEY =
+            openAIProfileEnv.OPENAI_API_KEY ?? ambientLlmtrKey
+          openAIProfileEnv.LLMTR_API_KEY = ambientLlmtrKey
+        }
+      }
+    }
     if (route.gatewayId === 'nvidia-nim') {
       openAIProfileEnv.NVIDIA_NIM = '1'
     }
@@ -1436,15 +1468,19 @@ function buildOpenAICompatibleStartupEnv(
   const withholdRetargetedConcentrateCredential =
     activeProfileRouteId === 'concentrate' &&
     !isConcentrateProfile(activeProfile)
+  const withholdRetargetedLlmtrCredential =
+    activeProfileRouteId === 'llmtr' && !isLlmtrProfile(activeProfile)
   const isAimlapiProfile =
     activeProfile.provider === 'aimlapi' ||
     resolveRouteIdFromBaseUrl(activeProfile.baseUrl) === 'aimlapi'
   const isConcentrateProfileFlag = isConcentrateProfile(activeProfile)
+  const isLlmtrProfileFlag = isLlmtrProfile(activeProfile)
 
   if (
     activeProfile.apiKey &&
     !withholdRetargetedApismartCredential &&
-    !withholdRetargetedConcentrateCredential
+    !withholdRetargetedConcentrateCredential &&
+    !withholdRetargetedLlmtrCredential
   ) {
     const strictEnv = buildOpenAIProfileEnv({
       goal: 'balanced',
@@ -1476,6 +1512,9 @@ function buildOpenAICompatibleStartupEnv(
       if (isConcentrateProfileFlag) {
         strictEnv.CONCENTRATE_API_KEY = activeProfile.apiKey
       }
+      if (isLlmtrProfileFlag) {
+        strictEnv.LLMTR_API_KEY = activeProfile.apiKey
+      }
       if (isClinePassProfile(activeProfile)) {
         strictEnv.CLINE_API_KEY = activeProfile.apiKey
       }
@@ -1533,10 +1572,14 @@ function buildOpenAICompatibleStartupEnv(
   if (activeProfileRouteId === 'concentrate') {
     env.CLAUDE_CODE_PROVIDER_ROUTE_ID = 'concentrate'
   }
+  if (activeProfileRouteId === 'llmtr') {
+    env.CLAUDE_CODE_PROVIDER_ROUTE_ID = 'llmtr'
+  }
   if (
     activeProfile.apiKey &&
     !withholdRetargetedApismartCredential &&
-    !withholdRetargetedConcentrateCredential
+    !withholdRetargetedConcentrateCredential &&
+    !withholdRetargetedLlmtrCredential
   ) {
     env.OPENAI_API_KEY = activeProfile.apiKey
     if (activeProfile.baseUrl?.toLowerCase().includes('bankr')) {
@@ -1566,6 +1609,9 @@ function buildOpenAICompatibleStartupEnv(
     if (isConcentrateProfileFlag) {
       env.CONCENTRATE_API_KEY = activeProfile.apiKey
     }
+    if (isLlmtrProfileFlag) {
+      env.LLMTR_API_KEY = activeProfile.apiKey
+    }
     if (isClinePassProfile(activeProfile)) {
       env.CLINE_API_KEY = activeProfile.apiKey
     }
@@ -1820,6 +1866,9 @@ function triggerStartupDiscoveryRefreshForProfile(
   if (route.routeId === 'apismart' && !isApismartProfile(profile)) {
     return
   }
+  if (route.routeId === 'llmtr' && !isLlmtrProfile(profile)) {
+    return
+  }
 
   void refreshStartupDiscoveryForRoute(route.routeId, {
     baseUrl: profile.baseUrl,

src/utils/providerStartupOverrides.test.ts

@@ -20,6 +20,7 @@ describe('clearStartupProviderOverrides', () => {
           OPENAI_MODEL: 'minimax-m2.7',
           OPENAI_API_KEYS: 'pool-a,pool-b',
           OPENAI_API_KEY: 'single-key',
+          LLMTR_API_KEY: 'llmtr-key',
           MINIMAX_API_KEY: 'sk-minimax',
           VENICE_API_KEY: 'sk-venice',
           LONGCAT_API_KEY: 'sk-longcat',
@@ -44,6 +45,7 @@ describe('clearStartupProviderOverrides', () => {
           OPENAI_MODEL: undefined,
           OPENAI_API_KEYS: undefined,
           OPENAI_API_KEY: undefined,
+          LLMTR_API_KEY: undefined,
           MINIMAX_API_KEY: undefined,
           VENICE_API_KEY: undefined,
           LONGCAT_API_KEY: undefined,

src/utils/providerStartupOverrides.ts

@@ -14,6 +14,7 @@ export const STARTUP_PROVIDER_OVERRIDE_ENV_KEYS = [
   'OPENAI_MODEL',
   'OPENAI_API_KEYS',
   'OPENAI_API_KEY',
+  'LLMTR_API_KEY',
   'OPENAI_ORG',
   'OPENAI_PROJECT',
   'OPENAI_ORGANIZATION',

src/utils/providerValidation.test.ts

@@ -32,6 +32,7 @@ const ENV_KEYS = [
   'MISTRAL_API_KEY',
   'MINIMAX_API_KEY',
   'LONGCAT_API_KEY',
+  'LLMTR_API_KEY',
   'APISMART_API_KEY',
   'CONCENTRATE_API_KEY',
   'CONCENTRATE_BASE_URL',
@@ -145,6 +146,73 @@ test('openai missing key error includes recovery guidance and config locations',
   expect(message!).toContain('Saved startup settings can come from')
 })
 
+test('LLMTR validation accepts its dedicated credential on the selected route', async () => {
+  process.env.CLAUDE_CODE_USE_OPENAI = '1'
+  process.env.OPENAI_BASE_URL = 'https://llmtr.com/v1'
+  process.env.OPENAI_MODEL = 'deepseek/deepseek-v4-flash'
+  process.env.LLMTR_API_KEY = 'llmtr-key'
+
+  await expect(getProviderValidationError(process.env)).resolves.toBeNull()
+})
+
+test('LLMTR validation rejects placeholder dedicated credentials', async () => {
+  process.env.CLAUDE_CODE_USE_OPENAI = '1'
+  process.env.OPENAI_BASE_URL = 'https://llmtr.com/v1'
+  process.env.LLMTR_API_KEY = 'SUA_CHAVE'
+
+  await expect(getProviderValidationError(process.env)).resolves.toBe(
+    'LLMTR auth is required. Set LLMTR_API_KEY or OPENAI_API_KEY.',
+  )
+})
+
+test('LLMTR validation rejects an invalid generic fallback credential', async () => {
+  process.env.CLAUDE_CODE_USE_OPENAI = '1'
+  process.env.OPENAI_BASE_URL = 'https://llmtr.com/v1'
+  process.env.OPENAI_API_KEY = 'SUA_CHAVE'
+
+  await expect(getProviderValidationError(process.env)).resolves.toBe(
+    'LLMTR auth is required. Set LLMTR_API_KEY or OPENAI_API_KEY.',
+  )
+})
+
+test('LLMTR validation accepts a dedicated credential despite an invalid generic fallback', async () => {
+  process.env.CLAUDE_CODE_USE_OPENAI = '1'
+  process.env.OPENAI_BASE_URL = 'https://llmtr.com/v1'
+  process.env.LLMTR_API_KEY = 'llmtr-key'
+  process.env.OPENAI_API_KEY = 'SUA_CHAVE'
+
+  await expect(getProviderValidationError(process.env)).resolves.toBeNull()
+})
+
+test('LLMTR validation falls back from a placeholder dedicated key to OPENAI_API_KEY', async () => {
+  process.env.CLAUDE_CODE_USE_OPENAI = '1'
+  process.env.OPENAI_BASE_URL = 'https://llmtr.com/v1'
+  process.env.OPENAI_MODEL = 'deepseek/deepseek-v4-flash'
+  process.env.LLMTR_API_KEY = 'SUA_CHAVE'
+  process.env.OPENAI_API_KEY = 'llmtr-fallback-key'
+
+  await expect(getProviderValidationError(process.env)).resolves.toBeNull()
+})
+
+test('LLMTR validation falls back from a placeholder dedicated key to OPENAI_API_KEYS', async () => {
+  process.env.CLAUDE_CODE_USE_OPENAI = '1'
+  process.env.OPENAI_BASE_URL = 'https://llmtr.com/v1'
+  process.env.OPENAI_MODEL = 'deepseek/deepseek-v4-flash'
+  process.env.LLMTR_API_KEY = 'SUA_CHAVE'
+  process.env.OPENAI_API_KEYS = 'llmtr-pool-key-a,llmtr-pool-key-b'
+
+  await expect(getProviderValidationError(process.env)).resolves.toBeNull()
+})
+
+test('LLMTR_API_KEY does not authenticate an unrelated OpenAI-compatible route', async () => {
+  process.env.CLAUDE_CODE_USE_OPENAI = '1'
+  process.env.OPENAI_BASE_URL = 'https://proxy.example/v1'
+  process.env.LLMTR_API_KEY = 'llmtr-key'
+
+  const message = await getProviderValidationError(process.env)
+  expect(message).toContain('OPENAI_API_KEYS or OPENAI_API_KEY is required')
+})
+
 test('cloudflare Workers AI URL selects the Cloudflare validation target', async () => {
   process.env.CLAUDE_CODE_USE_OPENAI = '1'
   process.env.OPENAI_BASE_URL =

src/utils/providerValidation.ts

@@ -142,7 +142,8 @@ function hasUsableCredentialEnvValue(
     envVar === 'OPENAI_API_KEY' ||
     envVar === 'AIMLAPI_API_KEY' ||
     envVar === 'APISMART_API_KEY' ||
-    envVar === 'CONCENTRATE_API_KEY'
+    envVar === 'CONCENTRATE_API_KEY' ||
+    envVar === 'LLMTR_API_KEY'
   ) {
     return hasUsableOpenAICredential(value)
   }
@@ -344,11 +345,21 @@ function getCredentialEnvValidationError(
   if (usesOpenAIFallback) {
     const openAIState = resolveOpenAICredentialEnvState(env)
     if (openAIState.invalid) {
-      return (
-        validation.invalidCredentialValues?.find(
-          invalidValue => invalidValue.envVar === openAIState.envVar,
-        )?.message ?? null
+      const hasUsableDedicatedCredential = credentialEnvVars.some(
+        envVar =>
+          envVar !== 'OPENAI_API_KEYS' &&
+          envVar !== 'OPENAI_API_KEY' &&
+          hasUsableCredentialEnvValue(env, envVar),
       )
+      if (!hasUsableDedicatedCredential) {
+        return (
+          validation.invalidCredentialValues?.find(
+            invalidValue => invalidValue.envVar === openAIState.envVar,
+          )?.message ??
+          validation.missingCredentialMessage ??
+          null
+        )
+      }
     }
   }
 

src/utils/swarm/spawnUtils.test.ts

@@ -42,6 +42,16 @@ test('buildInheritedEnvVars forwards pooled OpenAI credentials', () => {
   expect(envVars).toContain('OPENAI_API_KEYS=key-a\\,key-b')
 })
 
+test('buildInheritedEnvVars forwards an LLMTR credential without inventing route state', () => {
+  process.env.LLMTR_API_KEY = 'llmtr-key'
+
+  const envVars = buildInheritedEnvVars()
+
+  expect(envVars).toContain('LLMTR_API_KEY=llmtr-key')
+  expect(envVars).not.toContain('CLAUDE_CODE_USE_OPENAI=1')
+  expect(envVars).not.toContain('OPENAI_BASE_URL=')
+})
+
 test('buildInheritedEnvVars forwards PATH for source-built teammate tool lookups', () => {
   process.env.PATH = '/custom/bin:/usr/bin'
 

src/utils/swarm/spawnUtils.ts

@@ -109,6 +109,7 @@ const TEAMMATE_ENV_VARS = [
   'GH_TOKEN',
   'OPENAI_API_KEYS',
   'OPENAI_API_KEY',
+  'LLMTR_API_KEY',
   'OPENAI_BASE_URL',
   'OPENAI_MODEL',
   'GEMINI_API_KEY',

web/src/data/providers.ts

@@ -140,6 +140,14 @@ export const providers: Provider[] = [
     envVars: ['OPENROUTER_API_KEY'],
     notes: 'OpenAI-compatible aggregation across hundreds of hosted models.',
   },
+  {
+    id: 'llmtr',
+    name: 'LLMTR',
+    group: 'gateways',
+    setup: '/provider or OpenAI-compatible env vars',
+    envVars: ['LLMTR_API_KEY', 'OPENAI_API_KEY'],
+    notes: '/provider and --provider llmtr default to deepseek/deepseek-v4-flash; raw env setup must set OPENAI_BASE_URL=https://llmtr.com/v1 and OPENAI_MODEL. Uses public discovery of tool-capable chat models.',
+  },
   {
     id: 'near-ai',
     name: 'NEAR AI',