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git-commit-helper — Claude Code skill: commit messages from diffs

Reads your staged changes and drafts a commit message in conventional commits format. Handy when you cannot be bothered to phrase one yourself.

Install into Claude Code · claude-code-templates All methods and platforms ↓ 
npx claude-code-templates@latest --skill development/git-commit-helper
Open on GitHub

What git-commit-helper does

The skill looks at git diff --staged and turns the changes into a commit message. It picks the type, scope and short description from the diff itself: feat, fix, docs, style, refactor, test, chore. The subject line stays under 50 characters, uses imperative mood and has no trailing period.

Inside is a conventional commits template, worked examples for features, bug fixes and refactors, a section on breaking changes, and a checklist to run before committing. Multi-file commits and amending the last message with git commit --amend get their own sections. A PostToolUse hook appends a line to ~/.claude/git-commit-helper.log after Bash calls — that is a log only and does not touch your git state.

The skill works off staged changes, so run git add or git add -p first or there is nothing to read. Installing it needs Node.js with npx.

What it helps with

  • draft a commit message from staged changes
  • break a multi-file change into body bullets
  • flag a breaking change and describe the migration
  • rewrite a weak message on the last commit
  • pick the right type and scope for conventional commits

Example prompts for the agent

  • review my staged changes and suggest a commit message
  • write a conventional commit with scope auth
  • amend the last commit message and mark the breaking change

How to install git-commit-helper

1claude-code-templates

npx claude-code-templates@latest --skill development/git-commit-helper

2Skills CLI (Vercel)

npx skills add davila7/claude-code-templates --skill git-commit-helper -a claude-code

3Manually: put the files in place

~/.claude/skills/git-commit-helper/SKILL.md

Copy the whole skill folder; for one project use .claude/skills/git-commit-helper/

Step by step, with commands for each platform: How to install skills in Claude Code: five ways

Questions about git-commit-helper

How do I install git-commit-helper in Claude?

Use the templates CLI: npx claude-code-templates@latest --skill development/git-commit-helper. Or run npx skills add davila7/claude-code-templates --skill git-commit-helper -a claude-code. The skill then sits at ~/.claude/skills/git-commit-helper/SKILL.md.

What does git-commit-helper do?

It reads git diff --staged and proposes a conventional commits message: type, scope, a short subject and a body that explains why the change was made.

What do I need before using it?

Your changes have to be staged, since the skill works from git diff --staged output. Installation requires Node.js with npx.

Similar skills

All skills for Git and GitHub →
commit getsentry A skill that drafts Sentry-style conventional commits with issue references and blocks direct commits to main. CX Codex +1 4,700installs ce-commit EveryInc Automatically creates git commits with meaningful messages, splitting changes into logical chunks. Use when you need to save staged or unstaged files without pushing. CX Codex +1 3,400installs git-commit ilteoood Reads your diff, picks the commit type and scope, and writes a Conventional Commits message. Handy when every commit ends up as fix or update. CX Codex +1 533installs om-check-and-commit open-mercato Runs every configured validation command in order, fixes straightforward failures, and publishes the branch. Useful before a push when you want a CI-style gate. CX Codex +1 2,800installs writing-commit-messages spencerpauly This skill gives the agent a fixed format for commit messages: type, scope, body, footer. Useful when the model writes the commits, not you. CX Codex +1 454installs

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