Code Runner MCP Server: Install & Setup

Install Code Runner in Claude Code

npm

Claude Code

claude mcp add formulahendry-code-runner -- npx -y mcp-server-code-runner

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

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

Docker

Claude Code

claude mcp add formulahendry-code-runner -- docker run -i --rm docker.io/formulahendry/mcp-server-code-runner:0.1.8

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "formulahendry-code-runner": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "docker.io/formulahendry/mcp-server-code-runner:0.1.8"
      ]
    }
  }
}

Frequently asked questions

What does the Code Runner MCP server do?

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

Is the Code Runner MCP server free?

Yes, most likely. Open source and no paid account or API key is mentioned in the listing. Check the provider for current pricing.

Does Code Runner run locally or remotely?

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

How do I add Code Runner to Claude Code?

Run: claude mcp add formulahendry-code-runner -- npx -y mcp-server-code-runner

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