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PatternsTools & Utilities
Claude Web Search Tool
Claude Web Search Tool
Search the web with Claude AI. Includes result filtering, multiple search types, and language support.
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Problems solved
Technical challenges this implementation handles out of the box.
- 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
Products and workflows this pattern is designed to support.
- Research assistants on Claude
- Fact-checking chats with source links
- News monitoring agents
- Competitive intelligence lookups
Setup
Requirements, wiring steps, and what this pattern adds to your project.
Getting started
Pick how you want to pull this pattern in. Then wire env vars and routes the same way.
- 1
Install from the preview toolbar
Copy the install command above and run it in your project — Pro patterns include a short-lived token.
- 2
Add environment variables to .env.local
CLAUDE_API_KEY
- 3
Point client fetches at your API routes
Replace preview `/view/.../api/...` paths with `/api/...` in the installed files.
- 4
Customize the agent and tool files
Adapt prompts, tools, and stop conditions for your product — Copy for AI in the toolbar helps seed that work.
- 5
Run your dev server and open the pattern route
Install dependencies if needed, then start the app and verify responses.
Environment variables
CLAUDE_API_KEYGet key
Capabilities
AI SDK APIs
streamTexttoolconvertToModelMessagesgenerateTextProviders
Claude
Files added
6 filesapp/page.tsxapp/layout.tsxapp/api/websearch-claude/route.tscomponents/websearch-demo.tsxlib/request-utils.tsREADME.md
Dependencies
7 totalnpm packages
6AISDKlucide-reactNext.jsReactsonnerZod
Registry components
empty
Critical files
websearch-claude/route.tsAPI route demonstrating Claude's built-in web search tool via anthropic.tools.webSearch. Shows the provider-native tool integration pattern with streamText and sendSources.
Requirements
- Complexity
- Beginner
- Setup time
- ~10 minutes
- Node
- 24+
- Memory
- 512MB
Upstash Redis for rate limiting
