LocalFree

Ducklab MCP server

jrullan/ducklab

Multi-LLM dev harness, MCP-operable: bugs, cycles, gates. Verdicts are exit codes, never opinions.

10 GitHub stars1 forks

Install Ducklab in Claude Code

Claude Code
curl -LO https://github.com/jrullan/ducklab/releases/download/v0.7.0/ducklab-mcp.mcpb
mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)
Download ducklab-mcp.mcpb and double-click it to install in Claude Desktop.

MCP Bundles install in one click in Claude Desktop. Download the file, then open it.

Frequently asked questions

What does the Ducklab MCP server do?

Multi-LLM dev harness, MCP-operable: bugs, cycles, gates. Verdicts are exit codes, never opinions.

Is the Ducklab MCP server free?

Yes, most likely. Open source and no paid account or API key is mentioned in the listing. Check the provider for current pricing.

Does Ducklab run locally or remotely?

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

How do I add Ducklab to Claude Code?

Run: curl -LO https://github.com/jrullan/ducklab/releases/download/v0.7.0/ducklab-mcp.mcpb

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