ponytail-gain
This skill provides a concise scoreboard displaying benchmark medians for key metrics like lines of code, cost, and execution speed, visually presenting the significant impact of code optimization. Users can quickly grasp efficiency gains to aid decision-making.
npx skills add https://github.com/dietrichgebert/ponytail --skill ponytail-gainBefore / After Comparison
1 组Without this skill, users manually evaluate code efficiency, cost, and execution speed, which is time-consuming and lacks unified benchmark data, making optimization effects difficult to quantify and track.
This skill provides a clear benchmark scoreboard, allowing users to quickly understand code optimization effects in terms of lines, cost, and speed, leading to more efficient evaluation and decision-making, and accelerating project progress.
Ponytail Gain
Display this scoreboard when invoked. One-shot: do NOT change mode, write flag files, or persist anything.
The figures are the published benchmark medians (5 everyday tasks: email
validator, debounce, CSV sum, countdown timer, rate limiter; three models:
Haiku, Sonnet, Opus). They are measured, not computed from the current repo.
Source: benchmarks/ and the README.
Scoreboard
Render plain ASCII bars. The bar length shows the measured range; the label carries the exact figure:
ponytail gain benchmark median · 5 tasks · 3 models
Lines of code no-skill ████████████████████ 100%
ponytail ██▌················· 6–20% ▼ 80–94%
Cost no-skill ████████████████████ 100%
ponytail █████▌·············· 23–53% ▼ 47–77%
Speed ponytail ▸ 3–6× faster
This repo: /ponytail-debt (shortcuts you deferred)
/ponytail-audit (what's still cuttable)
Honesty boundary
These are benchmark medians, not this repo. NEVER print a per-repo savings
number ("you saved X lines/tokens here"): the unbuilt version was never
written, so there is no real baseline to subtract from in a live repo. The
only real per-repo figures come from /ponytail-debt (a counted ledger), and
this card points there instead of inventing one.
Boundaries
One-shot display. Edits nothing, changes no mode. "stop ponytail" or "normal mode": revert.
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