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Get Started Free →Scaffold a new brooks-lint analysis skill so it passes `npm run validate` and `npm run evals` on the first try — generates skills/{name}/SKILL.md (with the mandatory "Do NOT trigger for:" clause and a Process section citing guide step ranges) plus skills/{name}/{name}-guide.md (sequentially numbered steps), then appends paired eval scenarios. Triggers when the maintainer asks to "add a new skill", "scaffold a skill", or "create a brooks-lint mode". Do NOT trigger for: editing an existing skill's
| Test case | Without → With | Effect | Δ tokens | Δ turns |
|---|---|---|---|---|
| case-09 | ✗→✓ | ▲ Improved | -18% | 0% |
| case-07 | ✗→✓ | ▲ Improved | -34% | 0% |
| case-08 | ✗→✓ | ▲ Improved | -3% | 0% |
| case-10 | ✗→✓ | ▲ Improved | -12% | 0% |
| case-12 | ✗→✓ | ▲ Improved | -11% | 0% |
Skill name comes from $ARGUMENTS (kebab-case, e.g. brooks-security). If empty, ask for the name and a one-line purpose first.
Follow the repo's "Adding a New Skill" checklist exactly:
skills/{name}/SKILL.md with frontmatter — name, a descriptionthat ends with a Do NOT trigger for: clause (validate-enforced for shipped skills; omitting it causes false triggering), and a Process section of 3–6 bullets that cite the guide's step ranges inline (e.g. Scan risks (Steps 1–6 of the guide)). Mirror the structure of an existing skill such as skills/brooks-review/SKILL.md (Setup → Process → Mode line).
skills/{name}/{name}-guide.md with sequentially numbered steps —no gaps, no duplicates. Sub-steps like Step 2a are allowed. The guide owns the detailed steps; the SKILL.md Process is just an orientation skeleton.
_shared/ files (common.md for Iron Law + Report Template, plus decay-risks.md / test-decay-risks.md as applicable) — _shared/ is NOT auto-loaded.
evals/evals.json: append with the next sequentialid at least one happy-path scenario (with the relevant risk code in expected_output) and at least one false-positive scenario flagged no_risk_codes: true. Each scenario needs id, name, prompt, expected_output, mode, files.
npm run validate (structure + step continuity + Process-sectionpresence) and npm run evals (eval schema). Fix until both pass.
cp -r skills/* ~/.claude/skills/brooks-lint/ (if you'vesymlinked ~/.claude/skills/brooks-lint to the repo, skip this — edits are already live), trigger the new skill in a Claude session, verify the Iron Law output, then restore the marketplace copy: /plugin marketplace update → /plugin install brooks-lint@brooks-lint-marketplace.
Do NOT register a slash command by hand — short forms are auto-installed by the session-start hook. Report the files created and the validate/evals results.
Other measured skills in the registry, with their headline benchmark lift.