fix(google): make urlMetadata optional in urlContextMetadata schema#12701
Merged
dancer merged 3 commits intovercel:mainfrom Mar 4, 2026
Merged
fix(google): make urlMetadata optional in urlContextMetadata schema#12701dancer merged 3 commits intovercel:mainfrom
dancer merged 3 commits intovercel:mainfrom
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The Gemini API can return `urlContextMetadata: {}` (empty object
without urlMetadata key) when Google Search grounding is used but
no URLs were fetched via the URL context tool. The Zod schema
expected urlMetadata to always be an array, causing a validation
error on an otherwise valid 200 response.
Fixes vercel#12698
dancer
approved these changes
Mar 4, 2026
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ty @sleitor |
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Summary
The Gemini API can return
urlContextMetadata: {}(empty object withouturlMetadatakey) when Google Search grounding is used but no URLs were fetched via the URL context tool. The Zod schema expectedurlMetadatato always be an array, causing anAI_APICallErroron an otherwise valid 200 response.Changes
google-generative-ai-language-model.ts: MakeurlMetadatafield.nullish()in thegetUrlContextMetadataSchema()schema.urlMetadatakey.All urlContextMetadata-related tests pass.
Fixes #12698