Exa Search

# Exa Search

Neural search for web content, code, companies, and people via the Exa MCP server.

## When to Activate

- User needs current web information or news
- Searching for code examples, API docs, or technical references
- Researching companies, competitors, or market players
- Finding professional profiles or people in a domain
- Running background research for any development task
- User says "search for", "look up", "find", or "what's the latest on"

## MCP Requirement

Exa MCP server must be configured. Add to `~/.claude.json`:

```json
"exa-web-search": {
  "command": "npx",
  "args": ["-y", "exa-mcp-server"],
  "env": { "EXA_API_KEY": "YOUR_EXA_API_KEY_HERE" }
}
```

Get an API key at [exa.ai](https://exa.ai).

## Core Tools

### web_search_exa
General web search for current information, news, or facts.

```
web_search_exa(query: "latest AI developments 2026", numResults: 5)
```

**Parameters:**

| Param | Type | Default | Notes |
|-------|------|---------|-------|
| `query` | string | required | Search query |
| `numResults` | number | 8 | Number of results |

### web_search_advanced_exa
Filtered search with domain and date constraints.

```
web_search_advanced_exa(
  query: "React Server Components best practices",
  numResults: 5,
  includeDomains: ["github.com", "react.dev"],
  startPublishedDate: "2025-01-01"
)
```

**Parameters:**

| Param | Type | Default | Notes |
|-------|------|---------|-------|
| `query` | string | required | Search query |