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PatternsTools & Utilities
Exa Web Search Tool
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.
- Run semantic web search with the Exa SDK
- Livecrawl result pages for fresher content snippets
- Return truncated, structured search hits to the model
Use cases
Products and workflows this pattern is designed to support.
- Semantic research agents
- Content discovery tools
- Market monitoring chats
- Citation gathering from live web results
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
EXA_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
EXA_API_KEYGet key
Capabilities
AI SDK APIs
streamTextstepCountIsconvertToModelMessagestoolExternal services
Exa
Files added
7 filesapp/page.tsxapp/layout.tsxapp/api/websearch-exa/route.tscomponents/websearch-demo.tsxlib/websearch-exa-tool.tslib/request-utils.tsREADME.md
Dependencies
8 totalnpm packages
7AISDKExalucide-reactNext.jsReactsonnerZod
Registry components
empty
Critical files
lib/websearch-exa-tool.tsCustom Exa web search tool definition using exa-js SDK. Implements searchAndContents with livecrawl, result limiting, and content truncation.
websearch-exa/route.tsAPI route wiring the custom Exa web search tool with streamText. Shows stepCountIs(3) for tool call limiting and smooth stream transform.
Requirements
- Complexity
- Beginner
- Setup time
- ~10 minutes
- Node
- 24+
- Memory
- 512MB
Upstash Redis for rate limiting
