ai/src/types/provider-metadata.ts

AI SDK by Vercel - The AI Toolkit for TypeScript and JavaScript

import { SharedV3ProviderMetadata } from '@ai-sdk/provider';
import { z } from 'zod/v4';
import { jsonValueSchema } from './json-value';

/**
 * Additional provider-specific metadata that is returned from the provider.
 *
 * This is needed to enable provider-specific functionality that can be
 * fully encapsulated in the provider.
 */
export type ProviderMetadata = SharedV3ProviderMetadata;

export const providerMetadataSchema: z.ZodType<ProviderMetadata> = z.record(
  z.string(),
  z.record(z.string(), jsonValueSchema.optional()),
);