Performs root-cause-first debugging and review by tracing expected behavior to the first unintended side effect before changing contracts, parsing, or types. Use when debugging protocol errors, deserialization failures, null payloads, missing fields, restore or hydration issues, state-ownership bugs, unexpected requests, background mutations, or reviewing junior-created code where the visible failure may be downstream noise.
$npx -y skills add instructa/agent-skills --skill root-cause-finderInstalls into the current project.
Run `npx skills use "https://github.com/instructa/agent-skills" --skill "instructa/agent-skills/root-cause-finder"` and follow the generated skill instructions now. Read its complete output, redirecting it to a temporary file first if necessary. Resolve relative paths from the supporting-files directory it provides.
Use the skills in "https://github.com/instructa/agent-skills" that are relevant to the current task. Run `npx skills add "https://github.com/instructa/agent-skills"` and select the relevant skills, then follow their instructions.