PatternsTools & Utilities

Exa Web Search Tool

Search with Exa's semantic API and real-time crawling. Includes live content extraction and relevance scoring.

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Problems solved

Technical challenges this implementation handles out of the box.

Products and workflows this pattern is designed to support.

Requirements, wiring steps, and what this pattern adds to your project.

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
EXA_API_KEY, UPSTASH_REDIS_REST_URL, UPSTASH_REDIS_REST_TOKEN
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.

AI SDK APIs

streamTextstepCountIsconvertToModelMessagestool

External services

Exa

7 files

8 total

npm packages

AISDKExalucide-reactNext.jsReactsonnerZod

Registry components

empty

lib/websearch-exa-tool.ts
Custom Exa web search tool definition using exa-js SDK. Implements searchAndContents with livecrawl, result limiting, and content truncation.
websearch-exa/route.ts
API route wiring the custom Exa web search tool with streamText. Shows stepCountIs(3) for tool call limiting and smooth stream transform.

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