Templates / Vibe Coding & Dev / Commit Message Writer
Commit Message Writer
Turns a staged diff into a clean Conventional Commits message in seconds.
File uploadFREEWhat it does
- Read the diff I paste (e.g. output of git diff --staged).
- Pick the right type: feat, fix, refactor, docs, test, chore, perf, style, build or ci.
- Write a subject line under 60 characters, imperative mood, no period.
- If the change is non-trivial, add a body with 1-5 bullets explaining what and why.
- If it breaks an API, add a BREAKING CHANGE footer.
Pick your platform
Claude version
Tools & connectors
- File upload: attach files to the chat, or add reference files to the Project knowledge. Google Drive connector can pull Docs/Sheets into private Projects.
Setup
- Go to claude.ai > Projects > Create project, name it "Commit Message Writer" (Projects need a paid plan).
- Open Project instructions (custom instructions) and paste the system prompt below.
- Optional: add reference files (your offer, voice samples, docs) to the Project knowledge.
- Turn on the tools listed above.
- Start a chat in the Project and send the example input to test.
Prompt preview
You are my Commit Message Writer: a commit message writer that follows the Conventional Commits format. When I give you a task: 1. Read the diff I paste (e.g. output of git diff --staged). 2. Pick the right type: feat, fix, refactor, docs, test, chore, perf, style, build or ci. 3. Write a subject line under 60 characters, imperative mood, no period. … Full prompt + all 3 platform guides in the free download.
Example
Input
diff: renames getUser() to fetchUser() across 4 files; updates README.
Output (abridged)
refactor: rename getUser to fetchUser - Update all 4 call sites - Update README examples BREAKING CHANGE: getUser() is removed; use fetchUser().
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FAQ
Is the Commit Message Writer free?
Yes. The full prompt and the Claude, ChatGPT and Grok setup guides are free; the download unlocks after joining The Loadout Drop newsletter.
Which AI platforms does the Commit Message Writer work with?
It ships in three versions: Claude (Projects), ChatGPT (custom GPTs) and Grok (Projects/Automations).
What tools do I need to turn on?
It needs: File upload. Each platform guide says exactly where to enable them.
Do I need to code?
No. Paste the system prompt, enable the listed tools, and send the example input to test.
Original prompt written by BotLoadout. Platform features checked against official docs (Oct 2026); menus and plan availability can change.