git-commits

Rules for writing git commits that prohibit AI co-author lines such as Co-authored-by trailers. Git is a version-control system that records changes in a project’s history.

In plain words
What is it for?
Use them when creating, amending, or checking commits before pushing. They apply to commit-message writing and verification.
Why use it?
They prevent unwanted AI attribution from being added to commit history. They also require checking the final commit message and correcting it if such a line appears.

Cursor rule for Cursor

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.

agentmods
npx agentmods add rules/enkhbold470/bci-mcp/git-commits
Clone the repo
git clone --depth 1 https://github.com/enkhbold470/bci-mcp

Made for: Cursor.

Per session 180 This file is loaded in full into every session.
When invoked 180 The same file — it is already loaded in full.
Security scan A 0 findings. Scan, not verified.
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 $0.00180 $0.00180
Opus 5 $0.00090 $0.00090
Sonnet 5 $0.00036 $0.00036
Haiku 4.5 $0.00018 $0.00018

Measured 3d ago against content hash 469a0d136f6a, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

git-commits 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 3d ago.

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.

.cursor/rules/git-commits.mdc · 23 lines

What it actually says

Git commits

Never add Co-authored-by trailers to commit messages.

This includes and is not limited to:

  • Co-authored-by: Cursor <[email protected]>
  • Co-authored-by: Claude ...
  • Any other AI or agent co-author line

When committing:

  1. Write the commit message yourself in a HEREDOC or -m flag — do not rely on tooling that auto-appends co-authors.
  2. Before pushing, verify with git log -1 --format='%B' that no Co-authored-by: line is present.
  3. If one appears, amend the commit and remove it before pushing.

The repository owner does not want AI tools listed as co-authors in git history.

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. 3d ago First seen · 23 lines · 180 tokens per session scan A 469a0d136f6a

Subscribe to this mod's changes

git-commits is a cursor rule published in the GitHub repository enkhbold470/bci-mcp (17 stars, last pushed 23d ago), licensed MIT. It adds 180 tokens to every session, about $0.0009 per session on Opus 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 2026-08-30.