@mastra/core/dist/chunk-ZOYE65RA.cjs.map

Mastra is a framework for building AI-powered applications and agents with a modern TypeScript stack.

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type ResolvedModelConfig = {\n  url: string | false;\n  headers: Record<string, string>;\n  resolvedModelId: string;\n  fullModelId: string;\n};\n\nexport function parseModelRouterId(routerId: string, gatewayPrefix?: string): { providerId: string; modelId: string } {\n  if (gatewayPrefix && !routerId.startsWith(`${gatewayPrefix}/`)) {\n    throw new Error(`Expected ${gatewayPrefix}/ in model router ID ${routerId}`);\n  }\n\n  const idParts = routerId.split('/');\n\n  if (gatewayPrefix && idParts.length < 3) {\n    throw new Error(\n      `Expected atleast 3 id parts ${gatewayPrefix}/provider/model, but only saw ${idParts.length} in ${routerId}`,\n    );\n  }\n\n  const providerId = idParts.at(gatewayPrefix ? 1 : 0);\n  const modelId = idParts.slice(gatewayPrefix ? 2 : 1).join(`/`);\n\n  if (!routerId.includes(`/`) || !providerId || !modelId) {\n    throw new Error(\n      `Attempted to parse provider/model from ${routerId} but this ID doesn't appear to contain a provider`,\n    );\n  }\n\n  return {\n    providerId,\n    modelId,\n  };\n}\n","// anything in this list will use the corresponding ai sdk package instead of using openai-compat endpoints\nexport const PROVIDERS_WITH_INSTALLED_PACKAGES = ['anthropic', 'google', 'mistral', 'openai', 'openrouter', 'xai'];\n\n// anything here doesn't show up in model router. for now that's just copilot which requires a special oauth flow\nexport const EXCLUDED_PROVIDERS = ['github-copilot'];\n","import { createAnthropic } from '@ai-sdk/anthropic-v5';\nimport { createGoogleGenerativeAI } from '@ai-sdk/google-v5';\nimport { createMistral } from '@ai-sdk/mistral-v5';\nimport { createOpenAICompatible } from '@ai-sdk/openai-compatible-v5';\nimport { createOpenAI } from '@ai-sdk/openai-v5';\nimport type { LanguageModelV2 } from '@ai-sdk/provider-v5';\nimport { createXai } from '@ai-sdk/xai-v5';\nimport { createOpenRouter } from '@openrouter/ai-sdk-provider-v5';\nimport { parseModelRouterId } from '../gateway-resolver.js';\nimport { MastraModelGateway } from './base.js';\nimport type { ProviderConfig } from './base.js';\nimport { EXCLUDED_PROVIDERS, PROVIDERS_WITH_INSTALLED_PACKAGES } from './constants.js';\n\ninterface ModelsDevProviderInfo {\n  id: string;\n  name: string;\n  models: Record<string, any>;\n  env?: string[]; // Array of env var names\n  api?: string; // Base API URL\n  npm?: string; // NPM package name\n  doc?: string; // Documentation URL\n}\n\ninterface ModelsDevResponse {\n  [providerId: string]: ModelsDevProviderInfo;\n}\n\n// Special cases: providers that are OpenAI-compatible but have their own SDKs\n// These providers work with OpenAI-compatible endpoints even though models.dev\n// might list them with their own SDK packages\n// This constant is ONLY used during generation in fetchProviders() to determine\n// which providers from models.dev should be included in the registry.\n// At runtime, buildUrl() and buildHeaders() use the pre-generated PROVIDER_REGISTRY instead.\nconst OPENAI_COMPATIBLE_OVERRIDES: Record<string, Partial<ProviderConfig>> = {\n  cerebras: {\n    url: 'https://api.cerebras.ai/v1',\n  },\n  mistral: {\n    url: 'https://api.mistral.ai/v1',\n  },\n  groq: {\n    url: 'https://api.groq.com/openai/v1',\n  },\n  togetherai: {\n    url: 'https://api.together.xyz/v1',\n  },\n  deepinfra: {\n    url: 'https://api.deepinfra.com/v1/openai',\n  },\n  perplexity: {\n    url: 'https://api.perplexity.ai',\n  },\n  vercel: {\n    url: 'https://ai-gateway.vercel.sh/v1',\n    apiKeyEnvVar: 'AI_GATEWAY_API_KEY',\n  },\n};\n\nexport class ModelsDevGateway extends MastraModelGateway {\n  readonly id = 'models.dev';\n  readonly name = 'models.dev';\n\n  private providerConfigs: Record<string, ProviderConfig> = {};\n\n  constructor(providerConfigs?: Record<string, ProviderConfig>) {\n    super();\n    if (providerConfigs) this.providerConfigs = providerConfigs;\n  }\n\n  async fetchProviders(): Promise<Record<string, ProviderConfig>> {\n    const response = await fetch('https://models.dev/api.json');\n    if (!response.ok) {\n      throw new Error(`Failed to fetch from models.dev: ${response.statusText}`);\n    }\n\n    const data = (await response.json()) as ModelsDevResponse;\n\n    const providerConfigs: Record<string, ProviderConfig> = {};\n\n    for (const [providerId, providerInfo] of Object.entries(data)) {\n      // Skip excluded providers\n      if (EXCLUDED_PROVIDERS.includes(providerId)) continue;\n      // Skip non-provider entries (if any)\n      if (!providerInfo || typeof providerInfo !== 'object' || !providerInfo.models) continue;\n\n      // Use provider ID as-is (keep hyphens for consistency)\n      const normalizedId = providerId;\n\n      // Check if this is OpenAI-compatible based on npm package or overrides\n      const isOpenAICompatible =\n        providerInfo.npm === '@ai-sdk/openai-compatible' ||\n        providerInfo.npm === '@ai-sdk/gateway' || // Vercel AI Gateway is OpenAI-compatible\n        normalizedId in OPENAI_COMPATIBLE_OVERRIDES;\n\n      // these have their ai sdk provider package installed and don't use openai-compat\n      const hasInstalledPackage = PROVIDERS_WITH_INSTALLED_PACKAGES.includes(providerId);\n\n      // Also include providers that have an API URL and env vars (likely OpenAI-compatible)\n      const hasApiAndEnv = providerInfo.api && providerInfo.env && providerInfo.env.length > 0;\n\n      if (isOpenAICompatible || hasInstalledPackage || hasApiAndEnv) {\n        // Get model IDs from the models object\n        const modelIds = Object.keys(providerInfo.models).sort();\n\n        // Get the API URL from the provider info or overrides\n        const url = providerInfo.api || OPENAI_COMPATIBLE_OVERRIDES[normalizedId]?.url;\n\n        // Skip if we don't have a URL\n        if (!hasInstalledPackage && !url) {\n          continue;\n        }\n\n        // Get the API key env var from the provider info\n        // Convert hyphens to underscores for env var naming convention\n        const apiKeyEnvVar = providerInfo.env?.[0] || `${normalizedId.toUpperCase().replace(/-/g, '_')}_API_KEY`;\n\n        // Determine the API key header (special case for Anthropic)\n        const apiKeyHeader = !hasInstalledPackage\n          ? OPENAI_COMPATIBLE_OVERRIDES[normalizedId]?.apiKeyHeader || 'Authorization'\n          : undefined;\n\n        providerConfigs[normalizedId] = {\n          url,\n          apiKeyEnvVar,\n          apiKeyHeader,\n          name: providerInfo.name || providerId.charAt(0).toUpperCase() + providerId.slice(1),\n          models: modelIds,\n          docUrl: providerInfo.doc, // Include documentation URL if available\n          gateway: `models.dev`,\n        };\n      }\n    }\n\n    // Store for later use in buildUrl and buildHeaders\n    this.providerConfigs = providerConfigs;\n\n    return providerConfigs;\n  }\n\n  buildUrl(routerId: string, envVars?: typeof process.env): string | undefined {\n    const { providerId } = parseModelRouterId(routerId);\n\n    const config = this.providerConfigs[providerId];\n\n    if (!config?.url) {\n      return;\n    }\n\n    // Check for custom base URL from env vars\n    const baseUrlEnvVar = `${providerId.toUpperCase().replace(/-/g, '_')}_BASE_URL`;\n    const customBaseUrl = envVars?.[baseUrlEnvVar] || process.env[baseUrlEnvVar];\n\n    return customBaseUrl || config.url;\n  }\n\n  getApiKey(modelId: string): Promise<string> {\n    const [provider, model] = modelId.split('/');\n    if (!provider || !model) {\n      throw new Error(`Could not identify provider from model id ${modelId}`);\n    }\n    const config = this.providerConfigs[provider];\n\n    if (!config) {\n      throw new Error(`Could not find config for provider ${provider} with model id ${modelId}`);\n    }\n\n    const apiKey = typeof config.apiKeyEnvVar === `string` ? process.env[config.apiKeyEnvVar] : undefined; // we only use single string env var for models.dev for now\n\n    if (!apiKey) {\n      throw new Error(`Could not find API key process.env.${config.apiKeyEnvVar} for model id ${modelId}`);\n    }\n\n    return Promise.resolve(apiKey);\n  }\n\n  async resolveLanguageModel({\n    modelId,\n    providerId,\n    apiKey,\n    headers,\n  }: {\n    modelId: string;\n    providerId: string;\n    apiKey: string;\n    headers?: Record<string, string>;\n  }): Promise<LanguageModelV2> {\n    const baseURL = this.buildUrl(`${providerId}/${modelId}`);\n\n    switch (providerId) {\n      case 'openai':\n        return createOpenAI({ apiKey }).responses(modelId);\n      case 'gemini':\n      case 'google':\n        return createGoogleGenerativeAI({\n          apiKey,\n        }).chat(modelId);\n      case 'anthropic':\n        return createAnthropic({ apiKey })(modelId);\n      case 'mistral':\n        return createMistral({ apiKey })(modelId);\n      case 'openrouter':\n        return createOpenRouter({ apiKey, headers })(modelId);\n      case 'xai':\n        return createXai({\n          apiKey,\n        })(modelId);\n      default:\n        if (!baseURL) throw new Error(`No API URL found for ${providerId}/${modelId}`);\n        return createOpenAICompatible({ name: providerId, apiKey, baseURL, supportsStructuredOutputs: true }).chatModel(\n          modelId,\n        );\n    }\n  }\n}\n"]}