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io.github.daedalus/mcp-exa

MCP server exposing Exa websearch API

Developer ToolsPythonv0.1.1

MCP Exa

A Python MCP server that exposes Exa search capabilities (no API key required)

PyPI Python Coverage Ruff

mcp-name: io.github.daedalus/mcp-exa

Install

pip install mcp-exa

Usage

No API key required. The server uses Exa's public MCP endpoint.

Run the MCP server:

mcp-exa

Or use as a module:

python -m mcp_exa

Configuration

Available Tools

The server exposes the following MCP tools:

ToolDescription
web_search_exaSearch the web for any topic
get_code_context_exaFind code examples from GitHub, Stack Overflow
crawling_exaGet full content from a specific URL
web_search_advanced_exaAdvanced search with filters

MCP Client Configuration

Claude Desktop

Add to your config file:

  • macOS: ~/Library/Application Support/Claude/claude_desktop_config.json
  • Windows: %APPDATA%\Claude\claude_desktop_config.json
{
  "mcpServers": {
    "exa": {
      "command": "mcp-exa"
    }
  }
}

OpenCode

Add to your opencode.json:

{
  "mcp": {
    "exa": {
      "type": "stdio",
      "command": "mcp-exa",
      "enabled": true
    }
  }
}

Development

git clone https://github.com/daedalus/mcp-exa.git
cd mcp-exa
pip install -e ".[test]"

# run tests
pytest

# format
ruff format src/ tests/

# lint
ruff check src/ tests/

# type check
mypy src/

Installation

Source-derived launch command. Check the maintainer’s required arguments and credentials before running:

bash
uvx mcp-exa

Set up in your AI client

Merge this template into ~/Library/Application Support/Claude/claude_desktop_config.json. Keep existing servers. Add any arguments, credentials, and permissions required by the maintainer; this template has not been install-tested.

json
{
  "mcpServers": {
    "io-github-daedalus-mcp-exa": {
      "command": "uvx",
      "args": [
        "mcp-exa"
      ]
    }
  }
}

Restart Claude Desktop completely for changes to take effect. Confirm the server appears connected in the client’s tool list, then try a read-only example from its documentation.

Claude Desktop setup reference

Package

mcp-exapypi

Compatible MCP Clients

io.github.daedalus/mcp-exa works with any MCP-compatible client. Copy the config snippet from the Configuration section above and add it to the file shown for your client, then restart the application.

  • Claude Desktop~/Library/Application Support/Claude/claude_desktop_config.jsonRestart Claude Desktop completely for changes to take effect.
  • Cursor~/.cursor/mcp.jsonRestart Cursor for changes to take effect.
  • VS Code.vscode/mcp.jsonReload VS Code window for changes to take effect.
  • Windsurf~/.codeium/windsurf/mcp_config.jsonRestart Windsurf for changes to take effect.
  • Claude Code.mcp.jsonSave at the project root, then start Claude Code in that project and review the MCP server approval prompt. Keep real credentials out of shared files.

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