Emacs MCP Server

@vivekhaldar

代码仓库

基本信息

分类

其他

传输方式

stdio

作者

vivekhaldar

关于 Emacs MCP Server

暂无概览

#emacs #mcp#elisp#server

Emacs MCP Server 配置

使用下面的配置,将此服务器添加到你的 MCP 客户端。

{
  "mcpServers": {
    "Emacs-MCP-Server": {
      "command": "uv",
      "args": [
        "run",
        "--with",
        "mcp[cli]",
        "--with",
        "smartfunc",
        "mcp",
        "run",
        "/Users/haldar/repos/gh/emacs-mcp-server/emacs_mcp_server.py"
      ],
      "env": {
        "OPENAI_API_KEY": "",
        "EMACSCLIENT": ""
      }
    }
  }
}

Emacs MCP Server 工具

generates elisp for a given task

passes elisp to a running Emacs (via `emacsclient`) to eval and execute it.

概览

What is Emacs MCP Server?

A Model Context Protocol (MCP) server that integrates LLMs with Emacs by generating and executing Emacs Lisp code. It uses emacsclient to communicate with a running Emacs process. Designed for users who want to combine AI-based code generation with Emacs workflows.

How to use Emacs MCP Server?

The project is managed with uv. Run uv sync to install dependencies and source .venv/bin/activate to activate the virtual environment. To run the server in the MCP inspector, use mcp dev emacs_mcp_server.py. For integration with Claude Desktop, run mcp install emacs_mcp_server.py and then edit claude_desktop_config.json to include your OPENAI_API_KEY and the full path to emacsclient.

Key features of Emacs MCP Server

Generates Emacs Lisp code for a given task.
Executes generated elisp in a running Emacs via emacsclient.
Exposes two tools: generate_emacs_lisp_code and execute_emacs_lisp_code.
Requires an OpenAI API key and a configured emacsclient path.
Can be integrated with Claude Desktop or other MCP-compatible clients.

Use cases of Emacs MCP Server

Generate elisp code to automate repetitive Emacs actions (e.g., buffer operations).
Execute AI-generated elisp directly in an active Emacs session.
Quickly prototype and test Emacs Lisp functions with LLM assistance.

常见问题

What dependencies are required?

You need Python with `uv`, the `mcp` and `smartfunc` packages, a running Emacs, and `emacsclient` installed and accessible.

How do I install the server for Claude Desktop?

Run `mcp install emacs_mcp_server.py`, then edit the generated `claude_desktop_config.json

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