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exa

ai.exa/exa

Install Source code

About exa

exa is an MCP server published by exa.ai. Connect AI agents to Exa for web search, content fetching, and multi-step research.

It is hosted by the publisher at one address, so there is nothing to install: your AI client connects to it over the internet.

It asks for no keys or passwords.

Version 3.4.1 was published on 23 September 2026, and the source code is public, so you can read it before installing.

Written from the registry entry. 7 automated checks on the registry entry and the live tool descriptions: 4 pass, 0 warn, 0 fail, 3 info. How we check.

What it asks for

This server declares no environment variables, so it asks for no keys or settings.

Checks

CheckResultDetail
Source repository linkedPasshttps://github.com/exa-labs/exa-mcp-server
Remote uses HTTPSPassAll remote endpoints use https://
Secrets requestedInfoAsks for no secrets
Namespace ownershipInfoName verified via domain exa.ai
Registry text aimed at the AIPassDescription and settings contain no hidden characters or instructions to the AI
Tool descriptions readInfoLists 2 tools: web_search_exa, web_fetch_exa
Hidden instructions in toolsPassRead every tool description and the server instructions: no hidden characters or instructions to the AI

Popularity & health: 74 / 100

Worked out from public numbers and our own checks, not from user reviews or ratings. It says how used and how looked-after a server is, not whether it is safe.

Popularity17 / 40

5,204 GitHub stars, no download count, 0 Hacker News posts (0 points). Best two of the three, each on a log scale.

Activity22 / 25

Last push 2026-10-28, no GitHub release, 20 commits in 90 days.

Issue health15 / 15

125 closed of 129 issues.

Our checks20 / 20

0 warnings, each costing a fifth.

406 forks, 174 merged pull requests. Sources: GitHub, npm, PyPI (pypistats.org) and Hacker News (Algolia), fetched 2026-10-31.

What people say

No Hacker News threads link to its source code.

Look further: search Reddit, search Hacker News, read its GitHub issues. These are not reviews we checked.

Facts

Registry nameai.exa/exa
PublisherDomain exa.ai
How the name is verifiedName verified via domain exa.ai. The registry ties the name prefix to that account or domain; it does not check the code.
TypeRemote: hosted at a URL, nothing to install
Remote endpointsstreamable-http https://mcp.exa.ai/mcp
Version3.4.1
Published
Last updated
Source repositoryhttps://github.com/exa-labs/exa-mcp-server
WebsiteNone linked
CategorySearch & web (assigned by keyword rule, not by hand)

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