About Emacs MCP Server
Emacs MCP Server is an MCP server published by vivekhaldar in the Developer Tools category: mCP server: Emacs MCP Server.
The repository has 37 stars and 6 forks, with the last commit a year ago. Six months or more without a commit doesn't mean the server is broken, but check the open issues before depending on it in production.
Install
git clone https://github.com/vivekhaldar/emacs-mcp-serverThis server has no ConduID identity, so agent calls to it are not receipted. Pin the version you install and review the source before granting it credentials.
Tools (2)
execute_emacs_lisp_codepasses elisp to a running Emacs (via `emacsclient`) to eval and execute it.
Parameters not published.
generate_emacs_lisp_codegenerates elisp for a given task
Parameters not published.
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Security checks
Static checks derived from the repository 12 hours ago. Heuristics on the source, not an audit.
- ✓README presentThe repository ships documentation.
- !License declaredNo license file. Legally you have no right to use it in a product.
- !Tests presentNo tests found. Behaviour changes may go unnoticed between versions.
- ✓Dependencies pinnedA lockfile pins dependency versions.
- ✓No dynamic code executionSource scan found no eval, dynamic Function, or shell execution.
- !Scoped permissionsDoesn't declare a permission scope. Assume it can do anything its process can.
README
Emacs MCP Server
Model Context Protocol (MCP) server for Emacs. Enables generating and running elisp code in a running Emacs process.
Tools
The server exposes two tools:
generate_emacs_lisp_code: generates elisp for a given taskexecute_emacs_lisp_code: passes elisp to a running Emacs (viaemacsclient) to eval and execute it.
Invocation
The project is managed with uv. First, run uv sync to install all dependencies. Then source .venv/bin/activate to activate the resulting venv.
To run the MCP server in the inspector:
mcp dev emacs_mcp_server.py
To install the MCP server so that Claude Desktop can use it:
mcp install emacs_mcp_server.py
But you will have to edit the resulting JSON config in claude_desktop_config.json to include API keys and the full path to emacsclient. It should look something like this:
"Emacs-MCP-Server": {
"command": "/Users/haldar/.local/bin/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": "sk-xxxx",
"EMACSCLIENT": "/your/path/to/emacsclient"
}
}
README fetched from the repository 12 hours ago. The original is authoritative.