Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx skills add Heyvhuang/ship-faster --skill skill-improvergit clone --depth 1 https://github.com/Heyvhuang/ship-fasterWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/heyvhuang/ship-faster/skill-improver)<a href="https://agentmods.dev/skills/heyvhuang/ship-faster/skill-improver"><img src="https://agentmods.dev/badge/skills/heyvhuang/ship-faster/skill-improver/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/heyvhuang/ship-faster/skill-improver"><img src="https://agentmods.dev/badge/skills/heyvhuang/ship-faster/skill-improver.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector pass
What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00067 | $0.00384 |
| Opus 5 | $0.00034 | $0.00192 |
| Sonnet 5 | $0.00013 | $0.00077 |
| Haiku 4.5 | $0.00007 | $0.00038 |
Grade A, and why
skill-improver scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 9d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
What it actually says
Skill Improver
Retrospect and improve Skills/Workflows based on real execution artifacts, making the skill chain more stable with use.
Input (pass path only)
run_dir:runs/<workflow>/active/<run_id>/(oropenspec/changes/<change-id>/)
Output
improvements.md: Improvement suggestions (can be directly converted to change tasks)- Optional: Minimal patch to relevant
SKILL.md(only change what's necessary)
Process
- Read
logs/state.jsonandlogs/events.jsonl, extract:- Failure points (error types, frequency, missing context)
- Time bottlenecks (repetitive steps, ineffective searches, excessive context)
- Manual confirmation points (whether too early/too late/missing)
- Check artifact contracts:
- Whether each step has persisted output
- Whether only paths are passed instead of content
- Whether there are inconsistent naming/paths
- Output improvement suggestions (sorted by benefit):
- Prompt/trigger word optimization
- I/O contract completion (add required fields, fix artifact file names)
- Error handling and rejection strategies
- Suggest new deterministic scripts (only when necessary)
Output Template (recommended)
- Overview: Core issues from this run
- Top Issues (high → low): Each includes "symptom/root cause/fix suggestion/related skill/suggested change point"
- Suggested Minimal Change List: Listed by file
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 9d ago First seen · 40 lines · 67 tokens per session scan A 725a4a921bb2
skill-improver is a skill published in the GitHub repository Heyvhuang/ship-faster (339 stars, last pushed 24d ago), licensed MIT. It adds 67 tokens to every session and 384 once invoked, about $0.0003 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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