Runtime Cloud for Cursor

com.withruntime/runtime

Linux microVM sandboxes for AI agents: run commands, files, processes, pause and wake.

client:Cursor transport:streamable-http runtime:npm

Install Runtime Cloud in Cursor

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

{
  "mcpServers": {
    "runtime": {
      "url": "https://api.withruntime.com/mcp"
    }
  }
}

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