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feat: add Parallel AI Search tool support#690

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adek05 wants to merge 1 commit intogoogleapis:mainfrom
radishbuild:feat/parallel-ai-search-upstream
Open

feat: add Parallel AI Search tool support#690
adek05 wants to merge 1 commit intogoogleapis:mainfrom
radishbuild:feat/parallel-ai-search-upstream

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@adek05 adek05 commented Feb 7, 2026

Summary

Add ParallelAiSearch as a new Tool type for grounding with Parallel Web Systems' search API (Vertex AI only)

Transformer passthrough for Vertex AI, rejection for Gemini API
E2E example binary at examples/models/generate_content/parallel_ai_search.go

Test plan

  • E2E tested with valid Parallel API key — returns grounded response with groundingMetadata
  • E2E tested with invalid API key — returns PERMISSION_DENIED: Parallel AI API returned authentication error

Add ParallelAiSearch as a new Tool type for grounding with Parallel Web
Systems' search API. This is a Vertex AI-only feature that provides live
web data access with configurable domain filtering, excerpt limits, and
result count.

New types: ParallelAiSearch, ParallelAiSearchCustomConfigs,
ParallelAiSearchSourcePolicy, ParallelAiSearchExcerpts.
@Sivasankaran25 Sivasankaran25 self-assigned this Feb 8, 2026
@Sivasankaran25 Sivasankaran25 added the api:gemini-api Issues related to Gemini API label Feb 8, 2026
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