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 agentmods add skills/vmkteam/claude-plugins/commit-msgnpx skills add vmkteam/claude-plugins --skill commit-msggit clone --depth 1 https://github.com/vmkteam/claude-pluginsWhat 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 | $0.00045 | $0.00322 |
| Opus 5 | $0.00023 | $0.00161 |
| Sonnet 5 | $0.00009 | $0.00064 |
| Haiku 4.5 | $0.00005 | $0.00032 |
Grade A, and why
commit-msg 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 2d 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
Generate a concise commit message in English based on the full git diff (both staged and unstaged changes).
Pre-commit:
- Run
make fmt lintbefore analyzing the diff. If it produces changes or errors, fix them first.
Rules (based on https://cbea.ms/git-commit/):
- Run
git diffandgit diff --cachedto see all changes - Subject line: max 50 chars, capitalize, no period at end
- Use imperative mood ("Add", "Fix", "Remove", not "Added", "Fixed")
- Add ticket prefix from branch name if present (e.g. PLF-852)
- Separate subject from body with a blank line
- Body: bullet points summarizing what and why (not how), wrap at 72 chars
- Group related changes together, mention bug fixes with "Fix"
- Output only the commit message, nothing else
Example:
PLF-819 Add user validation for order creation
- Add email format and phone length validation in pkg/vt/order.go
- Fix missing nil check for optional DeliveryAddress field
- Update OrderSearch with new CreatedAtFrom/CreatedAtTo filters
- Regenerate zenrpc and mfd-model after schema changes
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.
- 2d ago First seen · 30 lines · 45 tokens per session scan A 613df91531c9
commit-msg is a skill published in the GitHub repository vmkteam/claude-plugins (7 stars, last pushed 4mo ago), licensed MIT. It adds 45 tokens to every session and 322 once invoked, about $0.0002 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 2026-08-31.
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