commit-message

A guide for writing Git commit messages in a consistent format. Git is a tool for tracking code changes, and a commit message briefly records what a change does.

In plain words
What is it for?
Use it when naming commits, choosing types such as fix or feat, and following rules for subject lines and optional explanations.
Why use it?
It helps teams write messages that are easier to scan, search, and use in changelogs.

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/evolvinglmms-lab/llava-onevision-2/commit-message
Any agent
npx skills add EvolvingLMMs-Lab/LLaVA-OneVision-2 --skill commit-message
Clone the repo
git clone --depth 1 https://github.com/EvolvingLMMs-Lab/LLaVA-OneVision-2

Made for: Claude Code, Codex.

Per session 17 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,879 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 $0.00017 $0.01879
Opus 5 $0.00009 $0.00940
Sonnet 5 $0.00003 $0.00376
Haiku 4.5 $0.00002 $0.00188

Measured 2d ago against content hash 4704874cb02a, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

commit-message 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.

.opencode/skills/commit-message/SKILL.md · 209 lines

How it starts

The opening of the file, as written. The whole thing — 209 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Purpose

Use this skill when writing git commit messages. It enforces a formal Conventional Commits style suitable for open-source collaboration and future changelog generation, while still keeping messages aligned with this repository's tone.


Format

<type>: <subject>
  • Default style: formal Conventional Commits (feat:, fix:, docs:, test:, chore:, etc.)
  • No scope parentheses by default — this repo usually does not use type(scope): style; add a scope only if the user explicitly asks
  • Subject: imperative mood, lowercase first word, no trailing period, max ~72 chars
  • Body (optional): blank line after subject, wrap at 72 chars, explain why not what

Types

Type When to use Example
feat New user-visible feature or capability feat: add packed SFT dataset assembly workflow
fix Bug fix fix: prevent cross-sample attention leakage in packed runs
docs Documentation, README, guides, skills, comments-only docs docs: explain cu_lengths attention boundaries
test Tests, fixtures, consistency checks, validation scripts test: add HF/Megatron consistency checks for PP=2
refactor Code restructuring, no behavior change refactor: move patch position block layout into task encoder
chore Maintenance, internal cleanup, generated metadata, repo hygiene chore: remove internal-only skill references
perf Performance improvement without behavior change perf: reduce token length scan overhead
build Build system, dependencies, Docker, packaging build: update flash attention to v2.7.0
ci CI/CD configuration and automation ci: add packed dataset smoke test job
style Formatting-only changes, no code behavior change style: format offline packing scripts

Notes:

  • feat and fix are strongly preferred for code changes
  • Use docs for skill files under .opencode/skills/
  • Avoid legacy bare messages like updated, missing _extra_state, or add OV2 SP unless the user explicitly asks to preserve old repo style
  • Revert and Merge are generated by git — don't manually write these types

Read the full file on GitHub · 209 lines

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 · 209 lines · 17 tokens per session scan A 4704874cb02a

Subscribe to this mod's changes

commit-message is a skill published in the GitHub repository EvolvingLMMs-Lab/LLaVA-OneVision-2 (1,194 stars, last pushed 3d ago), licensed Apache-2.0. It adds 17 tokens to every session and 1,879 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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