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toastynerd

Emacs MCP Tools

by toastynerd

Emacs MCP Tools

Node.js Tests

Direct MCP tools that allow Claude Code to communicate with and control a running Emacs instance using the Model Context Protocol.

Features

  • Open specified files in Emacs buffers

  • Open git changes in Magit

  • Check Emacs server status

  • List available tools

  • Modern MCP SDK integration using direct tools approach

  • Complementary to git-mcp for repository access

Related MCP server: VS Claude

Installation

You can install this package via npm:

# Global installation (recommended)
npm install -g emacs-mcp-server

# Local installation
npm install emacs-mcp-server

Setup with Claude Code

Once installed, you can add the MCP tools to Claude Code:

# Register tools with Claude Code
claude mcp add emacs-mcp-open emacs-mcp-open
claude mcp add emacs-mcp-magit emacs-mcp-magit
claude mcp add emacs-mcp-check emacs-mcp-check
claude mcp add emacs-mcp-list emacs-mcp-list

Manual Setup (Development)

For development or manual setup:

# Clone the repository
git clone https://github.com/toastynerd/emacs-mcp-server.git
cd emacs-mcp-server

# Install dependencies
npm install

# Add direct tools to Claude Code
claude mcp add emacs-mcp-open ./src/direct-tool.js
claude mcp add emacs-mcp-magit ./src/direct-tool.js
claude mcp add emacs-mcp-check ./src/direct-tool.js
claude mcp add emacs-mcp-list ./src/direct-tool.js

For better repository exploration and documentation access, add git-mcp:

# Add git-mcp to Claude Code
claude mcp add --transport sse git-mcp https://gitmcp.io/idosal/git-mcp

This allows Claude to access repository documentation and code context through the Model Context Protocol.

Usage

After installation, you can use the MCP tools with Claude Code:

/mcp emacs-mcp-open file_path="/path/to/your/file.txt"
/mcp emacs-mcp-magit repo_path="/path/to/your/repo"
/mcp emacs-mcp-check
/mcp emacs-mcp-list

For more details, see CLAUDE.md.

Development

# Run unit tests
npm test

Requirements

  • Node.js (v16+)

  • npm (v6+)

  • Emacs with server mode enabled (M-x server-start)

  • Magit (for Git functionality)

  • Claude Code CLI

License

MIT

Contributing

Contributions are welcome! Please feel free to submit a Pull Request.

Related MCP Connectors

Related MCP Servers