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 tobihagemann/turbo --skill create-changeloggit clone --depth 1 https://github.com/tobihagemann/turboWrote 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/tobihagemann/turbo/create-changelog)<a href="https://agentmods.dev/skills/tobihagemann/turbo/create-changelog"><img src="https://agentmods.dev/badge/skills/tobihagemann/turbo/create-changelog/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/tobihagemann/turbo/create-changelog"><img src="https://agentmods.dev/badge/skills/tobihagemann/turbo/create-changelog.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 | $0.00075 | $0.00438 |
| Opus 5.5 | $0.00030 | $0.00175 |
| Sonnet 5.5 | $0.00015 | $0.00088 |
| Haiku 4.5 | $0.00007 | $0.00044 |
Grade A, and why
create-changelog 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 1mo 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
Create Changelog
Create a changelog backfilled with version history.
Step 1: Run /changelog-rules Skill
Run the /changelog-rules skill to load shared changelog conventions.
Step 2: Check for Existing Changelog
Use git rev-parse --show-toplevel to find the repository root. Look for the changelog file per /changelog-rules. If it already exists, use AskUserQuestion to confirm overwriting it. If the user declines (chooses the free-form "Other" option or asks to abort), stop without running the remaining steps.
Step 3: Backfill Version History
Collect release history from the most authoritative source available:
- GitHub releases (preferred): Run
gh release list --limit 100 --json tagName,name,publishedAtto list releases. For each release, read its notes withgh release view <tag> --json body --jq .bodyand parse them into changelog entries. - Git tags (fallback): If no GitHub releases exist, run
git tag --sort=-v:refnameto list tags. For each consecutive tag pair, rungit log <older-tag>..<newer-tag> --onelineto collect commit summaries.
For each version, classify entries into the standard change types and apply the changelog-worthiness criteria per /changelog-rules.
Step 4: Write Changelog
Write the changelog following the /changelog-rules file structure and conventions.
Step 5: Present the Result
Briefly summarize how many versions were backfilled and which source was used (GitHub releases or git tags).
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.
- 1mo ago Changed c5f9b7435454
- 1mo ago First seen · 34 lines · 75 tokens per session scan A 9ccf2e10cfe1
create-changelog is a skill published in the GitHub repository tobihagemann/turbo (417 stars, last pushed 4d ago), licensed MIT. It adds 75 tokens to every session and 438 once invoked, about $0.0003 per session on Opus 5.5. 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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