git

A set of preferences for using Git, a tool that records code changes and supports collaboration between developers.

In plain words
What is it for?
Use it when creating branches or commits, formatting references to code, and deciding how GitHub issue numbers should appear in commit messages.
Why use it?
It keeps branch names and commit messages consistent and avoids unwanted changes to existing commits.

Skill for Claude CodeCodex

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 skills/maragudk/skills/git
Any agent
npx skills add maragudk/skills --skill git
Clone the repo
git clone --depth 1 https://github.com/maragudk/skills

Made for: Claude Code, Codex.

Per session 20 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 288 The whole file, excluding the scripts and references it only reads on demand.
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 $0.00020 $0.00288
Opus 5 $0.00010 $0.00144
Sonnet 5 $0.00004 $0.00058
Haiku 4.5 $0.00002 $0.00029

Measured 2d ago against content hash a414d50bd996, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

git 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 2d 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.

git/SKILL.md · 25 lines

What it actually says

git

Most of git usage is what you already know, so depend on that. This is skill is just a refinement.

Branch naming

Just name the branch a short sentence seperated with dashes. Example: add-some-feature. Don't use feat/, hotfix/ etc. prefixes.

Commit messages

  • Always enclose code identifiers with backticks. Example: "Add html.UserPage component"
  • Always refer to Go code identifiers including the package name, like in html.UserPage above. Fields and methods on structs can be referred with model.User.Name.
  • Ask me about any Github issues that should be referenced. Reference them at the end of the commit message like this: "See #123, #234". If the commit fixes one or more issues, use "Fixes #123, fixes #234" instead (the double "fixes" is important for Github to actually close the issue).
  • Don't mention that you've updated tests, that's assumed.

Committing

  • Don't amend previous commits unless instructed to. When committing after the first commit on a branch, just commit with a simple message (e.g. "fixing …"), because the branch will most times be squashed on Github anyway.
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. 2d ago First seen · 25 lines · 20 tokens per session scan A a414d50bd996

Subscribe to this mod's changes

git is a skill published in the GitHub repository maragudk/skills (48 stars, last pushed 5mo ago), licensed MIT. It adds 20 tokens to every session and 288 once invoked, about $0.0001 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.

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