Web Search

Pattern

Claude Web Search Tool

Search the web with Claude AI. Includes result filtering, multiple search types, and language support.

IntermediateNov 2025View the full pattern on desktop
Claude Web Search Tool preview

Problems solved

  • Search the web with Claude's built-in webSearch tool
  • Stream citation-backed answers with sendSources
  • Use Anthropic provider-native tools inside streamText

Use cases

  • Research assistants on Claude
  • Fact-checking chats with source links
  • News monitoring agents
  • Competitive intelligence lookups

AI SDK APIs

streamTexttools:convertToModelMessagestool(generateTextcreateUIMessageStreamResponseuseChat

Tags

aiwebsearchclaudesearch-toolresearchfact-checkinginformation-discoveryzod-validationtype-safe

Requirements

Node.js
24+
Memory
512MB
Other
  • Claude API key

Environment variables

External services

claude

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