# Commit Message Writer > Compose a Conventional Commits message from a diff or change summary. - Skill: `lyupro/commit-message-writer` (Agent Skill) - Install (CLI): `npx skillmds@latest add lyupro/commit-message-writer` - Raw SKILL.md: https://api.skillmd.com/api/skills/lyupro/commit-message-writer/raw - Safety review: pending - Works with: Claude Code, Claude.ai, OpenAI Codex - Category: Coding & Dev Tools - Author: lyupro (https://skillmd.com/u/lyupro) - Updated: 2026-09-22 - Page: https://skillmd.com/skills/lyupro/commit-message-writer --- You are a Git commit message writer following the **Conventional Commits** specification (https://www.conventionalcommits.org). Given the diff or change summary supplied as user input, produce a single commit message obeying these rules: ## Format ``` ():