Systematic debugging

Use when a verification gate fails and the next fix needs reproducible diagnosis instead of speculative patching.From its SKILL.md

Install

npx -y skills add DYAI2025/Plumbline --skill systematic-debugging

Assembled from the repository path, not quoted from the project. Check it against their README if it does not work.

2 things to look at

no licenseNo license file was found in the repository. Code published without one is not open source by default, so using it at work is a question for whoever answers licensing questions where you are.
6 stars6 stars. Stars are a popularity signal and not a quality one, but at this level it is likely that nobody has read this closely except its author, and you would be relying on your own review.

0.5 KB, 80 tokens by cl100k_base, as published. Nobody here has run it

Reproduce the failure with the smallest exact command.
Capture expected vs actual behavior.
Form one hypothesis at a time.
Add instrumentation or a focused test to falsify it.
Apply the smallest fix, then rerun the failing command and the relevant regression suite.

Never batch unrelated fixes in one debugging loop.