Commit Format

Commit Format is a skill for Claude Code, Codex from niels-emmer/myace. It costs 18 tokens per session (439 once invoked), scanned A, original, MIT.

A commit-message format based on types such as feat, fix, chore, and docs. A commit is a saved group of changes in Git, and the message explains what changed.

In plain words
What is it for?
It helps write short imperative commit summaries, decide when to add an explanation, and separate features, fixes, maintenance, and documentation changes.
Why use it?
It makes project history easier to scan, search, and understand, while keeping each commit focused on one logical change.

Skill for Claude CodeCodex

Which agent this was written for is unclear — built for aider. Also seen: mentions Codex; built for aider; mentions OpenCode.

Good fit It helps write short imperative commit summaries, decide when to add an explanation, and separate features, fixes, maintenance, and documentation changes.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/niels-emmer/myace/commit-format
Install

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.

Any agent
npx skills add niels-emmer/myace --skill commit-format
Clone the repo
git clone --depth 1 https://github.com/niels-emmer/myace

Made for: Claude Code, Codex.

Wrote 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.

agentmods badge for Commit Format

README.md
[![agentmods](https://agentmods.dev/badge/skills/niels-emmer/myace/commit-format/github.svg)](https://agentmods.dev/skills/niels-emmer/myace/commit-format)
Your own site
<a href="https://agentmods.dev/skills/niels-emmer/myace/commit-format"><img src="https://agentmods.dev/badge/skills/niels-emmer/myace/commit-format/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.

agentmods 80×15 button for Commit Format

Your own site · 80×15
<a href="https://agentmods.dev/skills/niels-emmer/myace/commit-format"><img src="https://agentmods.dev/badge/skills/niels-emmer/myace/commit-format.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 18 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 439 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00018 $0.00439
Opus 5 $0.00009 $0.00219
Sonnet 5 $0.00004 $0.00088
Haiku 4.5 $0.00002 $0.00044

Measured 9d ago against content hash 8fe7b1c24a32, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade A, and why

Commit Format 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.

collections/base/vibecoder/skills/commit-format/SKILL.md · 43 lines

What it actually says

Purpose

Give every commit a consistent, scannable shape so git log stays readable without requiring a full commit-message ceremony.

When to use it

Every time you make a commit. This applies whether you're committing after every small step or batching a few related changes together.

Format

<type>: <short imperative summary>

<optional body — the "why", if it's not obvious from the summary>

Common types:

  • feat: — new user-facing functionality
  • fix: — bug fix
  • chore: — dependency bumps, config, tooling, cleanup with no behavior change
  • docs: — documentation only

Keep the summary line imperative ("add retry logic", not "added" or "adds") and short — aim for under ~65 characters so it doesn't wrap in most git tools. If the change needs more explanation than that, put it in the body as a sentence or two, not the summary.

Guidelines

  • One logical change per commit where practical — makes it easy to revert just the part that turns out wrong.
  • Don't bother with a body for genuinely self-explanatory commits ("fix: correct off-by-one in pagination" needs no further explanation).
  • Do add a body when the "why" isn't obvious from the diff alone — e.g. working around a library bug, a deliberate tradeoff, or a non-obvious edge case being fixed.
  • Avoid vague summaries like "update stuff" or "fixes" — they're useless six months later.

Expected output

A commit message that reads clearly on its own in git log --oneline, with enough of a body (when needed) that someone skimming history later understands the reasoning without re-reading the diff.

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.

  1. 9d ago First seen · 43 lines · 18 tokens per session scan A 8fe7b1c24a32

Subscribe to this mod's changes

Commit Format is a skill published in the GitHub repository niels-emmer/myace (1 stars, last pushed 5d ago), licensed MIT. It adds 18 tokens to every session and 439 once invoked, about $0.0001 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 2026-09-03.

Related

Other skills, from other repositories

loom-git-workflow

Git operations guidance including branching strategies, commit conventions, merge workflows, conflict resolution, and worktree management.

cosmix/loom · 27 tokens

git-workflow-and-versioning

Structures git workflow practices. Use when making any code change. Use when committing, branching, resolving conflicts, splitting uncommitted work in a messy working tree into clean atomic commits, opening or reviewing a pull request (PR), pushing to a remote, or when you need to organize work across multiple…

addyosmani/agent-skills · 89 tokens

chinese-commit-conventions

A Chinese-language guide to Conventional Commits, a format for writing consistent Git commit messages, plus related changelog, commit-checking, and commit-helper configuration.

jnMetaCode/superpowers-zh · 65 tokens

comet-safe-delivery

A Chinese-language procedure for safely delivering specified Comet changes through Git. It covers checking worktrees and unrelated edits, staging exact files, validating hooks, and authorized commits or pushes.

rpamis/comet · 78 tokens

manuscript-as-code

Treat manuscripts as software: version control, reproducible builds, figure pipelines, CI, and structured repo layout. Helps teams avoid 'finalv7' chaos and ensures submission-ready artifacts.

foryourhealth111-pixel/Vibe-Skills · 43 tokens

ac-commit-manager

Manage git commits for autonomous coding. Use when committing feature implementations, creating descriptive commits, managing git workflow, or handling version control.

majiayu000/claude-skill-registry · 31 tokens