← mcp serversExa Search
Enables AI agents to perform neural/semantic search queries through the Exa API via MCP. Supports both keyword and meaning-based search, returning highly relevant web content. Particularly useful for research tasks where traditional keyword search falls short.
Package
| Registry | npm (stdio) |
| Package | exa-mcp-server@3.4.2 |
| Integrity | sha512-2pqkOuXnABXrwVkB6VyMYA9ywr1aqjBGKlLtcgTBMkWtIn74yY+pMPn8Km2SAGfLeENfWaIHv1L7/kF0b+E5BQ== |
| Lockfile | package-lock.json sha512-i2oqyPwLMBk7ffQ4hsfGjkxjONJm0o+vhvRj9MtsXI0cI80IBn843s47ksyvV7BNB17I+d1xxLWoaT5jxSLv7w== |
| Entry | dist/stdio.cjs |
| Install scripts | none allowed |
Configuration
Create an API key in the Exa dashboard. — get credentials
| Key | Name | Kind | Required | Secret | Format | Default / choices |
|---|
EXA_API_KEY | Exa API Key
Exa API key | env | yes | yes | string | |
Tools (2)
From the test run on 2026-10-23 (darwin-arm64, linux-x64, Node 24) — starts without credentials.
web_fetch_exa | Read a webpage's full content as clean markdown. Use after web_search_exa when highlights are insufficient or to read any URL.
params: maxCharacters, urls* |
web_search_exa | Search the web for any topic and get clean, ready-to-use content.
params: numResults, query* |
Security Assessment
| Level | safe |
| Permissions | read:web_search |
| Data Exposure | metadata |
| Requires Supervisor | No |
| Risk Notes | Read-only web search and page fetching through the Exa API, which receives the queries and URLs. exa-mcp-server 3.4.2 always sends usage events (tool name, latency, success, session) to api.agnost.ai, with arguments, results and errors excluded; this cannot be turned off. |
| Review | pass · community · 2026-10-21 |
| Runtime | engines.node >=20.0.0 · native modules: no · 29.6 MB installed |
When to Use
| Use | When the agent needs to perform semantic or meaning-based web search for research and information gathering. |
| Do not use | When exact keyword matching or local data search is needed. |
| Input / Output | text → text, json |
ai.exa/exa · v3.4.2 · Category: search · Free tier: Yes · Exa offers a free tier with limited queries; paid plans for higher volume. · Source · Website