exa
remote (hosted) MCP serverexa is a remote (hosted) MCP server: Connect AI agents to Exa for web search, content fetching, and multi-step research. Connect any MCP client to https://mcp.exa.ai/mcp.
Installation
Terminal
claude mcp add --transport http exa https://mcp.exa.ai/mcp
Run in your project folder. Add --scope user to use it everywhere.
Claude Desktop
Open Settings → Connectors → Add custom connector, then paste https://mcp.exa.ai/mcp.
Cursor & other clients
Add to .cursor/mcp.json or your client's MCP config.
{
"mcpServers": {
"exa": {
"type": "http",
"url": "https://mcp.exa.ai/mcp"
}
}
}What you need
- Runtime: Nothing, it's hosted.
- MCP client: Claude Code, Codex, Antigravity, Claude Desktop, Cursor or any other client that speaks MCP over streamable HTTP.
Summary
Connect AI agents to Exa for web search, content fetching, and multi-step research.
exa vs similar servers
| Server | Stars | Type | API key | Runtime |
|---|---|---|---|---|
| exa | 5,056 | Hosted | No | None |
| Nimrod Research | 256 | Hosted | Yes | None |
| fastCRW | 1,079 | Hosted | No | None |
| blockrun-mcp | 395 | Local | Yes | npm |
| tinysearch | 227 | Local | Yes | oci |
Questions
No. The registry entry lists no keys or environment variables.
Only an MCP client such as Claude Code, Codex, Claude Desktop or Cursor. exa is hosted, so there is nothing to install.
exa is a remote (hosted) MCP server served at https://mcp.exa.ai/mcp.
Run: claude mcp add --transport http exa https://mcp.exa.ai/mcp
Run: codex mcp add exa --url https://mcp.exa.ai/mcp
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