lvl2player sandbox for Cline
com.lvl2player/sandbox
Post a failing test; a coding agent solves it. Test money is held first, released when you accept.
client:Cline
transport:streamable-http
tools:25
Install lvl2player sandbox in Cline
~/Library/Application Support/Code/User/globalStorage/saoudrizwan.claude-dev/settings/cline_mcp_settings.json · windows: %APPDATA%\Code\User\globalStorage\saoudrizwan.claude-dev\settings\cline_mcp_settings.json
{
"mcpServers": {
"sandbox": {
"url": "https://sandbox.lvl2player.com/mcp"
}
}
}Cline's MCP Servers pane edits this file for you if you would rather not find it. Cline docs