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commit-expert

commit-expert is a skill for Claude Code, Codex from jggomez/expert-ai-developer-skills. It costs 25 tokens per session (1,293 once invoked), scanned A, original, Apache-2.0.

Guidelines, best practices, and script validators to verify commit message formats and configure local git commit hooks.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one. Also seen: mentions Claude Code.

not rated 30repo yesterday A scan 25 tokens original Apache-2.0
Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/jggomez/expert-ai-developer-skills/commit-expert
View source ↗ jggomez/expert-ai-developer-skills
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 jggomez/expert-ai-developer-skills --skill commit-expert
Clone the repo
git clone --depth 1 https://github.com/jggomez/expert-ai-developer-skills

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-expert

README.md
[![agentmods](https://agentmods.dev/badge/skills/jggomez/expert-ai-developer-skills/commit-expert/github.svg)](https://agentmods.dev/skills/jggomez/expert-ai-developer-skills/commit-expert)
Your own site
<a href="https://agentmods.dev/skills/jggomez/expert-ai-developer-skills/commit-expert"><img src="https://agentmods.dev/badge/skills/jggomez/expert-ai-developer-skills/commit-expert/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-expert

Your own site · 80×15
<a href="https://agentmods.dev/skills/jggomez/expert-ai-developer-skills/commit-expert"><img src="https://agentmods.dev/badge/skills/jggomez/expert-ai-developer-skills/commit-expert.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 25 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,293 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 $0.00025 $0.01293
Opus 5.5 $0.00010 $0.00517
Sonnet 5.5 $0.00005 $0.00259
Haiku 4.5 $0.00003 $0.00129

Measured today against content hash 565c50d37961, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

commit-expert 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 today.

The scan reads SKILL.md. This mod also ships 1 executable file (scripts/validate_commit_msg.py), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

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.

plugins/antigravity/git-workflow/skills/commit-expert/SKILL.md · 100 lines

How it starts

The opening of the file, as written. The whole thing — 100 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Commit Expert Skill

Overview

This skill enforces high-quality, readable, and bisectable Git commit histories. It acts as a Git Version Control Specialist and History Architect, ensuring that all commits follow the 7 rules of git messaging, utilize standard Conventional Commits prefixes, maintain atomic boundaries, and validate formatting through automated hook scripts aligned with deterministic branch gates.

When to Use

Trigger Scenarios

  • Authoring commit messages for staged code changes.
  • Setting up or validating local git commit-msg hooks.
  • Squashing, interactive rebasing, or cleaning up messy commit histories before PR submission.
  • Enforcing Conventional Commits standards and branch naming alignment across an engineering team.

When NOT to Use

  • Authoring Pull Request descriptions or branch reviews: Route to pull-request-expert.
  • Pre-commit quality and linting checks: Route to build-and-ci-gates.
  • Writing application source code: Route to code-implementer.

Process

Phase 1: Conventional Commits Specification & Regex Standard

Structure every commit message following the 7 rules of git commit messages and the formal Conventional Commits standard:

  1. Canonical Commit Pattern: 
    ^(feat|fix|docs|style|refactor|perf|test|build|ci|chore|revert)(\([a-z0-9._-]+\))?: .+$
  2. Permitted Types:
    • feat: A new user-facing feature or API capability.
    • fix: A bug fix for existing functionality.
    • docs: Documentation-only additions or modifications.
    • style: Formatting, missing semicolons, whitespace changes with zero code logic alterations.
    • refactor: Code change that neither fixes a bug nor adds a feature.
    • perf: Code change that improves runtime performance or memory usage.
    • test: Adding missing tests or correcting existing tests.
    • build: Changes affecting the build system, packaging, or external dependencies.
    • ci: Changes to CI configuration files and automation scripts.
    • chore: Auxiliary tasks, housekeeping, tool updates.
    • revert: Reverting a previous commit.

Read the full file on GitHub · 100 lines

Files

What ships with it

3 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

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. today First seen · 100 lines · 25 tokens per session scan A 565c50d37961

Subscribe to this mod's changes

commit-expert is a skill published in the GitHub repository jggomez/expert-ai-developer-skills (30 stars, last pushed yesterday), licensed Apache-2.0. It adds 25 tokens to every session and 1,293 once invoked, about $0.0001 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 2026-11-06.

Git and workflowProductivity
Related

commit-expert compared with skills from other repositories

commit-expert next to 6 skills from other repositories
ModTypeStarsLast pushLicenceScanTokensWorks with
commit-expertjggomez/expert-ai-developer-skillsSkill30yesterdayApache-2.0A25Claude Code, Codex
Dotfilesdanielmiessler/LifeOSSkill20kyesterdayMITA125Claude Code, Codex
conventional-commitJanDeDobbeleer/oh-my-poshSkill24k2d agoMITA26Claude Code, Codex
python-releaseComposioHQ/composioSkill31kyesterdayMITA53Claude Code, Codex
release-noteskenryu42/cc-safety-netSkill1.9kyesterdayMITA65Claude Code, Codex
ratchet-filesdzhng/skillsSkill1.4k2d agoMITA118Claude Code, Codex
git-guardrails-claude-codevinvcn/mattpocock-skills-zh-CNSkill5.6k9d agoMITB68Claude Code, Codex