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Caveman Commit

Generates ultra-compressed Conventional Commits messages that keep the "why" and drop the noise.

Dev & CodingBeginner★ 133⑂ 16AI score 10/10Last updated: Apr 20, 2026

What it does

  • Produces a <type>(<scope>): imperative summary subject, ideally ≤50 chars with a hard cap of 72.
  • Adds a body only when the "why" isn't obvious; always requires one for breaking changes, security fixes, data migrations, and reverts.
  • Bans filler such as "This commit does X", "as requested by", AI attribution lines, and stray emoji.
  • Puts issue references at the end (Closes #42, Refs #17) and wraps body text at 72 chars.
  • Stays in its lane: it never stages, commits, or amends — it just outputs a paste-ready code block.

Who it's for

  • Teams that need a clean, machine-parsable git history for changelog automation.
  • Developers who adopted Conventional Commits but keep second-guessing type/scope choices.
  • Anyone who wants AI attribution and verbose prose kept out of their commit log.

Examples

  1. Say "write a commit" after staging → feat(api): add GET /users/:id/profile plus a short why-body and Closes #128.
  2. Renaming a public route → feat(api)!: rename /v1/orders to /v1/checkout with a BREAKING CHANGE: migration note.
  3. Need verbose style back? Say "normal mode" or "stop caveman-commit".

· · · Install guide · · ·

Try it now, no install

Paste this into Claude to use the skill without installing anything.

Read the instructions in this file and follow them to help me:
https://raw.githubusercontent.com/jjmartres/opencode/HEAD/opencode/skills/caveman-commit/SKILL.md

What I want: (describe your task here)

If Claude can't open the link, open it yourself and paste the contents instead.

↓ If it works for you, download the ZIP below and install it. Then it runs on its own — no pasting each time.

Install in the Claude app (no terminal)
  1. Download the ZIP with the button below.
  2. In Claude, open Settings → Capabilities and turn on 'Code execution and file creation'. (one time)
  3. Go to Customize → Skills → + → 'Upload a skill' and upload the ZIP.
↓ Download ZIP
Install in Claude Code

Let Claude do it — paste this into Claude Code

Install the skill I found on Claude Skill Mart.
Copy the opencode/skills/caveman-commit folder from the GitHub repo jjmartres/opencode into my ~/.claude/skills/caveman-commit/.
When it's done, tell me in one line what this skill can do.

Install with a command instead

git clone https://github.com/jjmartres/opencode.git /tmp/opencode && mkdir -p ~/.claude/skills/caveman-commit && cp /tmp/opencode/opencode/skills/caveman-commit/SKILL.md ~/.claude/skills/caveman-commit/

⚠ This is a third-party skill. Check the source repository before installing.

  1. Open a terminal and clone the repo: git clone https://github.com/jjmartres/opencode.git
  2. Create the skill folder: mkdir -p ~/.claude/skills/caveman-commit
  3. Copy the file: cp opencode/opencode/skills/caveman-commit/SKILL.md ~/.claude/skills/caveman-commit/
  4. Restart Claude Code so the skill is picked up.
  5. Stage your changes with git add, then ask "generate commit message".
  6. Copy the returned code block into git commit (e.g. git commit -F -) to finish.
View source on GitHub ↗License: MIT