ducklab
Multi-LLM dev harness, MCP-operable: bugs, cycles, gates. Verdicts are exit codes, never opinions.
Install
MCPB bundlesstdio
https://github.com/jrullan/ducklab/releases/download/v0.7.0/ducklab-mcp.mcpb Client config (Claude Desktop, Cursor, Windsurf and most MCP clients)
{
"mcpServers": {
"io-github-jrullan-ducklab": {
"command": "https://github.com/jrullan/ducklab/releases/download/v0.7.0/ducklab-mcp.mcpb",
"args": []
}
}
} Source: official MCP Registry record · registry name io.github.jrullan/ducklab · published 2026-08-23 · updated 2026-08-23. Not an endorsement; review the code before connecting it to anything sensitive.