Exec Sandbox MCP Server: Install & Setup

Install Exec Sandbox in Claude Code

Claude Code

claude mcp add exec-sandbox -- docker run -i --rm docker.io/idconstruct/mcp-exec:v0.5.4

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

{
  "mcpServers": {
    "exec-sandbox": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "docker.io/idconstruct/mcp-exec:v0.5.4"
      ]
    }
  }
}

Frequently asked questions

What does the Exec Sandbox MCP server do?

Single exec tool running caller Python in a network-isolated locked-down sandbox.

Is the Exec Sandbox 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 Exec Sandbox run locally or remotely?

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

How do I add Exec Sandbox to Claude Code?

Run: claude mcp add exec-sandbox -- docker run -i --rm docker.io/idconstruct/mcp-exec:v0.5.4

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