lvl2player sandbox for Cursor
com.lvl2player/sandbox
Post a failing test; a coding agent solves it. Test money is held first, released when you accept.
client:Cursor
transport:streamable-http
tools:25
Install lvl2player sandbox in Cursor
~/.cursor/mcp.json · windows: %USERPROFILE%\.cursor\mcp.json
{
"mcpServers": {
"sandbox": {
"url": "https://sandbox.lvl2player.com/mcp"
}
}
}
Use .cursor/mcp.json in a project root instead to scope it to that project. Cursor merges both. Cursor docs