pr-writing

pr-writing is a skill for Claude Code, Codex from shwilliamson/automatasaurus. It costs 28 tokens per session (1,544 once invoked), scanned A, original, MIT.

Guidelines for writing pull request descriptions, which explain code changes to teammates reviewing a proposed merge into a project.

In plain words
What is it for?
Writing pull request titles and descriptions, including issue references and change categories such as features, fixes, tests, and documentation.
Why use it?
They help reviewers understand the change, its purpose, and its scope without having to reconstruct that context from the code alone.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit Writing pull request titles and descriptions, including issue references and change categories such as features, fixes, tests, and documentation.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/shwilliamson/automatasaurus/pr-writing
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.

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

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for pr-writing

README.md
[![agentmods](https://agentmods.dev/badge/skills/shwilliamson/automatasaurus/pr-writing.svg)](https://agentmods.dev/skills/shwilliamson/automatasaurus/pr-writing)
Your own site
<a href="https://agentmods.dev/skills/shwilliamson/automatasaurus/pr-writing"><img src="https://agentmods.dev/badge/skills/shwilliamson/automatasaurus/pr-writing.svg" alt="Measured on agentmods" height="20"></a>
Per session 28 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,544 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
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 5.1 $0.00028 $0.01544
Opus 5 $0.00014 $0.00772
Sonnet 5 $0.00006 $0.00309
Haiku 4.5 $0.00003 $0.00154

Measured 8d ago against content hash f46a857cb41e, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-08, from the pricing page.

Security

Grade A, and why

pr-writing 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 8d 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.

template/skills/pr-writing/SKILL.md · 274 lines

How it starts

The opening of the file, as written. The whole thing — 274 lines — stays where its author put it; the contents beside it link to each section on GitHub.

PR Writing Skill

Guidelines for writing pull request descriptions that help reviewers understand and approve changes quickly.

Creating PRs (Sandbox Compatibility)

Don't use heredocs (<<EOF) with gh pr create - they fail in sandboxed environments.

Use the Write tool + --body-file pattern:

# 1. Use Write tool to create .github-pr-body.md with your PR body
# 2. Create the PR
gh pr create --title "#42 feat: Add user auth" --body-file .github-pr-body.md
# 3. Clean up
rm .github-pr-body.md

PR Title Format

#<issue-number> <type>: <concise description>

Always prefix the PR title with the GitHub issue number to enable easy cross-referencing.

Types

Type Use For
feat New feature or functionality
fix Bug fix
refactor Code restructuring without behavior change
docs Documentation only
test Adding or updating tests
chore Build, tooling, dependencies
perf Performance improvement
style Formatting, whitespace (no logic change)

Good Titles

#42 feat: Add user registration endpoint
#187 fix: Prevent duplicate form submissions
#23 refactor: Extract authentication logic into service
#91 docs: Add API documentation for user endpoints

Bad Titles

Update code                    # Too vague, no issue number
Fixed the bug                  # Which bug? No issue number
WIP                           # Not ready for review
feat: Add login               # Missing issue number prefix

PR Body Structure

## Summary
[1-3 sentences explaining WHAT changed and WHY]

Closes #<issue-number>

## Changes
- [Specific change 1]
- [Specific change 2]
- [Specific change 3]

## Testing
- [ ] Unit tests added/updated
- [ ] Integration tests pass
- [ ] Manual testing completed

## Screenshots (if UI changes)
[Before/after screenshots or GIFs]

## Notes for Reviewers
[Optional: Areas to focus on, known limitations, questions]

Writing the Summary

Read the full file on GitHub · 274 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. 8d ago First seen · 274 lines · 28 tokens per session scan A f46a857cb41e

Subscribe to this mod's changes

pr-writing is a skill published in the GitHub repository shwilliamson/automatasaurus (5 stars, last pushed 6mo ago), licensed MIT. It adds 28 tokens to every session and 1,544 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 2026-08-31.

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