code-runner MCP server

Code Runner MCP Server which can run code in various programming languages.

Developer tools ★ 244 GitHub starsv0.1.9Updated Sep 25, 2025

Install

npm (stdio)npx -y mcp-server-code-runner

Docker (stdio)docker run -i --rm docker.io/formulahendry/mcp-server-code-runner:0.1.8

JSON for apps that use an mcpServers block (Claude Desktop, Cursor and others):

{"mcpServers": {
  "code-runner": {
    "command": "npx",
    "args": ["-y", "mcp-server-code-runner"]
  }
}}

From the server's registry entry. Many servers also need an API key or other settings: check the repository's README before you run it.

About this server

Registry name	`io.github.formulahendry/code-runner`
Repository	github.com/formulahendry/mcp-server-code-runner
Packages	npm `mcp-server-code-runner` oci `docker.io/formulahendry/mcp-server-code-runner:0.1.8`
In the registry since	Sep 25, 2025
GitHub stars	244

Listed from the official MCP Registry. We have not reviewed or tested this server; a local server runs code on your machine, so read the repository first.

Use it with

AI agents whose docs say they support MCP.

OpenAI Codex Claude Code LangChain Pi OpenCode Cursor GitHub Copilot LangGraph AI SDK Strands Agents Lovable Replit Agent

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