NIRA REPL MCP for Cursor

io.github.pachote/nira-repl

Secure code execution sandbox for Claude — run Python, JavaScript, and shell commands

client:Cursor transport:stdio runtime:pypi

Install NIRA REPL MCP in Cursor

~/.cursor/mcp.json · windows: %USERPROFILE%\.cursor\mcp.json

{
  "mcpServers": {
    "nira-repl": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "nira-repl"
      ]
    }
  }
}

Use .cursor/mcp.json in a project root instead to scope it to that project. Cursor merges both. Cursor docs