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Code Runner MCP Server

@formulahendry

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Code Runner MCP Server について

Code Runner MCP Server

基本情報

カテゴリ

開発者ツール

ライセンス

MIT

ランタイム

node

トランスポート

stdio

公開者

formulahendry

設定

以下の設定を使って、このサーバーを MCP 対応クライアントに追加してください。

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

ツール

ツールは検出されませんでした

ツールは README から自動的に抽出されます。メンテナーは ## Tools という見出しの下に記載することで、このタブに反映できます。

概要

What is Code Runner MCP Server?

Code Runner MCP Server is an MCP server that runs code snippets and displays the results. It supports multiple programming languages including JavaScript, Python, Ruby, Go, PHP, and many others. This server is for developers who want to execute code directly through MCP-compatible applications like VS Code or Claude Desktop.

How to use Code Runner MCP Server?

Install and configure the server via npx, Docker, or bunx in your MCP client's configuration file (e.g., settings.json for VS Code or claude_desktop_config.json for Claude Desktop). Ensure the interpreter or compiler for your desired language is set in the PATH environment variable, then use prompts like Run the JavaScript Code: console.log(5+6).

Key features of Code Runner MCP Server

  • Runs code snippets in 37+ programming languages
  • Supports setup via npx, Docker, or bunx
  • Offers Streamable HTTP Transport option
  • Returns execution output and results to the client
  • Works with VS Code, Claude Desktop, and other MCP hosts
  • Simple prompt-based usage with run-code tool

Use cases of Code Runner MCP Server

  • Execute ad-hoc code snippets without leaving your editor
  • Test small scripts or algorithms during development
  • Run system commands or retrieve OS information via code
  • Validate code logic before integrating into larger projects

FAQ from Code Runner MCP Server

What languages does Code Runner MCP Server support?

It supports JavaScript, PHP, Python, Perl, Perl 6, Ruby, Go, Lua, Groovy, PowerShell, BAT/CMD, BASH/SH, F# Script, C# Script, VBScript, TypeScript, CoffeeScript, Scala, Swift, Julia, Crystal, OCaml Script, R, AppleScript, Elixir, Clojure, Racket, Scheme, AutoHotkey, AutoIt, Kotlin Script, Dart, Haskell, Ni, Lisp, Kit, V, SCSS, and Sass. The full list is in the source constants file.

What are the runtime requirements?

The interpreter or compiler for each programming language you want to run must be installed and available in your system's PATH environment variable.

How can I run the server with HTTP instead of stdio?

Use the command mcp-server-code-runner --transport http after installing the package globally via npm install -g mcp-server-code-runner@latest.

What can I do if npx fails on Windows?

If npx fails to connect, try using bunx instead of npx, or wrap the npx command with cmd and /c in your configuration.

How do I install the server for use with Claude Desktop?

Add a mcpServers entry in your claude_desktop_config.json with "command": "npx" and "args": ["-y", "mcp-server-code-runner@latest"].

コメント

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