Developer · Local MCP server

Ducklab

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

What the MCP Registry states

The entry as published to the official MCP Registry (read 2026-10-04), latest version.

Registry name
io.github.jrullan/ducklab
Version
0.7.0
Status
Active
Category
developer
Transport
stdio (local process)
Package
MCP Bundle (.mcpb)
Published
2026-08-23
Updated
2026-08-23
Publisher
jrullan (GitHub)
Repository
github.com/jrullan/ducklab
Source
Registry API entry

Packages

RegistryPackageVersionTransportEnvironment variables
MCP Bundle (.mcpb)https://github.com/jrullan/ducklab/releases/download/v0.7.0/ducklab-mcp.mcpbSHA-256 checksum stated—stdioNone declared

How to connect Ducklab

Ducklab runs locally from an MCP Bundle: a single downloadable archive holding a local server and a manifest that describes it: https://github.com/jrullan/ducklab/releases/download/v0.7.0/ducklab-mcp.mcpb. It speaks MCP over stdio, so the client starts it as a program and talks to it through standard input and output. It needs a client that installs MCP Bundles; the file is opened in, or added to, that client.

Derived from the registry entry, not tested here. What the server does, and on what terms, is set by its publisher; check its repository or website before giving it access to your accounts or files. How to add an MCP server to an assistant · Before you connect

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