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Optimize skill

Skill Bennyoooo/skillmaxxing/skill-maxing-plugin/skills/optimize-skill

Self-evolving skills for your coding agent — auto-create and auto-improve skills as you work, no trigger needed.

Install
npx -y skills add Bennyoooo/skillmaxxing --skill optimize-skill

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One thing to look at

  • 21 stars21 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.

What its author says it does

Copied from the file, not written here

Improve an existing skill through an evaluation-gated loop — run it on its eval tasks, analyze failures, propose bounded edits, validate a candidate, and (with your approval) promote a strictly-better version. Use when a skill underperforms or the user asks to optimize/tune/improve a skill that has an eval set.

SKILL.md

3.6 KB, as published. Nobody here has run it

optimize-skill

Make a skill measurably better without uncontrolled drift. This is an agent-in-the-loop loop, not a hands-off run: the CLI owns the deterministic machinery (scoring, edit budget, rejected-edit buffer, the gate, atomic promote/revert); you own the reasoning (running the skill, judging prose outputs, proposing edits). Expect several turns per optimization.

Preconditions

  • The skill has an eval manifest (eval.yaml) with real tasks. If it has none, stop and offer to create one (create-skill) — optimization cannot run without an eval set.
  • Optimization edits a managed copy, never the installed symlink target.

The loop (repeat until the gate stops improving)

  1. Rollout. For each eval task input, run the current skill yourself and collect its output. Write rollouts.json: [{ "taskId": "...", "output": "..." }].

  2. Score.

    scripts/optimize.sh score --eval eval.yaml --rollouts rollouts.json --skill <name> --json
    

    Deterministic tasks are scored for you. agent-judge tasks come back as pending — score those yourself against each task's rubric and fold them into the aggregate. Record the current score.

  3. Reflect. Read the failing trajectories. Diagnose why they failed (this is your job — the CLI never judges why). Propose a small set of structured edits to SKILL.md. Write edits.json: an array of { op: append|insert_after|replace|delete, target?, content?, sourceType: "failure"|"success", supportCount? }. Prefer failure-driven edits.

  4. Apply (bounded).

    scripts/optimize.sh apply --skill <name> --skill-dir <live-dir> --edits edits.json --step <n> --total <N>
    

    The CLI caps edits at the budget (annealed over steps), skips edits to the protected SLOW_UPDATE region, and writes a candidate copy. Note the candidate dir it prints.

  5. Validate. Re-run rollout + score against the candidate (steps 1–2 pointing at the candidate dir), including the held-out tasks. Then gate:

    scripts/optimize.sh gate --current <currentScore> --candidate <candidateScore> --best <bestScore>
    

    A non-zero exit means reject — add those edits to your rejected set so you don't re-propose them, and try a different reflection. Also reject if any held-out task regressed, even if the aggregate improved.

  6. Promote (human gate). Only on a strict improvement with no held-out regression, present the candidate and its score delta to the user. On their approval:

    scripts/optimize.sh promote --skill <name> --live <live-dir> --candidate <candidate-dir> --score <candidateScore>
    

    The prior version is retained and the change is reversible.

Revert

scripts/optimize.sh revert --skill <name> --version <prior-version> --live <live-dir>

Honesty

  • "Optimize automatically" means the loop, budget, buffer, and gates are automated — the intelligence (rollout, reflection, edits, agent-judge) is yours. A weak reasoning pass simply makes less progress; the gate guarantees no regression is ever promoted.
  • Never promote without explicit user approval, even when the gate passes.

Keep looking

Skills are one crate of 328,083. Ordering is by how many stacks a row turns up in, so the top of any crate is what has actually been picked rather than what has the most stars.