git-commit

A set of rules for writing clear Git commit messages in Conventional Commits format for Go projects. Git is a system for tracking code changes, and a commit is a saved group of changes.

In plain words
What is it for?
Use it when creating commits, preparing pull requests, or reviewing commit history, with scoped and focused messages that describe the change.
Why use it?
It makes the project history easier to understand by showing whether each commit adds a feature, fixes a bug, changes structure, or handles another defined type of work.

Skill for Claude CodeCodex

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.

agentmods
npx agentmods add skills/eduardo-sl/go-agent-skills/git-commit
Any agent
npx skills add eduardo-sl/go-agent-skills --skill git-commit
Clone the repo
git clone --depth 1 https://github.com/eduardo-sl/go-agent-skills

Made for: Claude Code, Codex.

Per session 87 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,397 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
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 $0.00087 $0.01397
Opus 5 $0.00044 $0.00698
Sonnet 5 $0.00017 $0.00279
Haiku 4.5 $0.00009 $0.00140

Measured 3d ago against content hash 3a168da0f055, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

git-commit 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 3d 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.

skills/(workflow)/git-commit/SKILL.md · 217 lines

How it starts

The opening of the file, as written. The whole thing — 217 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Git Commit Standards

Commits tell the story of your codebase. A good commit history is worth more than any amount of documentation — because it's always up to date.

1. Conventional Commits Format

<type>(<scope>): <description>

[optional body]

[optional footer(s)]

Types:

Type When
feat New feature (correlates with MINOR in semver)
fix Bug fix (correlates with PATCH in semver)
refactor Code change that neither fixes a bug nor adds a feature
perf Performance improvement
test Adding or correcting tests
docs Documentation changes only
chore Build process, tooling, dependencies
ci CI/CD configuration changes
style Formatting, whitespace (not CSS — code formatting)

Scope:

Use the package name or module area:

feat(auth): add JWT refresh token rotation
fix(store/postgres): handle connection pool exhaustion
refactor(service): extract validation into dedicated package
test(handler): add table-driven tests for user endpoints
chore(deps): bump go.uber.org/zap to v1.27.0

Breaking changes:

feat(api)!: change pagination from offset to cursor-based

BREAKING CHANGE: The `offset` and `limit` query parameters are replaced
by `cursor` and `page_size`. All existing clients must migrate.

2. Commit Message Rules

Subject line:

  • Imperative mood: "add feature", NOT "added feature" or "adds feature"
  • Lowercase after type prefix
  • No period at the end
  • Max 72 characters
  • Must describe WHAT changed, not HOW

Body (when needed):

  • Blank line between subject and body
  • Explain WHY the change was necessary
  • Explain WHAT is different at a high level
  • Wrap at 72 characters

Footer:

  • Reference issues: Fixes #123, Closes #456, Refs #789
  • Co-authors: Co-authored-by: Name <email>
  • Breaking changes: BREAKING CHANGE: description

3. Examples

Simple change:

fix(handler): return 404 instead of 500 for missing user

Read the full file on GitHub · 217 lines

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. 3d ago First seen · 217 lines · 87 tokens per session scan A 3a168da0f055

Subscribe to this mod's changes

git-commit is a skill published in the GitHub repository eduardo-sl/go-agent-skills (70 stars, last pushed 15d ago), licensed MIT. It adds 87 tokens to every session and 1,397 once invoked, about $0.0004 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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