pr-description-generator

pr-description-generator is a skill for Claude Code, Codex from GoodJobwilliam/aicraft. It costs 27 tokens per session (939 once invoked), scanned A, original, MIT.

A tool that creates structured pull request descriptions from a Git diff, branch comparison, or pull request number. A pull request is a proposed code change submitted for review before merging.

In plain words
What is it for?
Use it to prepare descriptions containing a summary, change list, testing notes, deployment considerations, and issue references.
Why use it?
It saves time summarising changed areas, testing, deployment notes, and related issues for reviewers.

Skill for Claude CodeCodex

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

Good fit Use it to prepare descriptions containing a summary, change list, testing notes, deployment considerations, and issue references.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/goodjobwilliam/aicraft/pr-description-generator
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 GoodJobwilliam/aicraft --skill pr-description-generator
Clone the repo
git clone --depth 1 https://github.com/GoodJobwilliam/aicraft

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-description-generator

README.md
[![agentmods](https://agentmods.dev/badge/skills/goodjobwilliam/aicraft/pr-description-generator/github.svg)](https://agentmods.dev/skills/goodjobwilliam/aicraft/pr-description-generator)
Your own site
<a href="https://agentmods.dev/skills/goodjobwilliam/aicraft/pr-description-generator"><img src="https://agentmods.dev/badge/skills/goodjobwilliam/aicraft/pr-description-generator/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for pr-description-generator

Your own site · 80×15
<a href="https://agentmods.dev/skills/goodjobwilliam/aicraft/pr-description-generator"><img src="https://agentmods.dev/badge/skills/goodjobwilliam/aicraft/pr-description-generator.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 27 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 939 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 $0.00027 $0.00939
Opus 5 $0.00014 $0.00469
Sonnet 5 $0.00005 $0.00188
Haiku 4.5 $0.00003 $0.00094

Measured 10d ago against content hash 120c12857e4f, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-10, from the pricing page.

Security

Grade A, and why

pr-description-generator 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 10d 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.

products/pr-description-generator/SKILL.md · 139 lines

How it starts

The opening of the file, as written. The whole thing — 139 lines — stays where its author put it; the contents beside it link to each section on GitHub.

PR Description Generator

You are a PR description specialist. When the user provides a git diff, branch name, or PR number, generate a comprehensive PR description ready for review.

Workflow

Step 1: Read the Changes

Analyze the provided diff, branch, or PR context:

  1. Scope: What areas of the codebase are affected? (api, frontend, database, config, docs, deps)
  2. Type: bugfix, feature, refactor, chore, docs, test, perf
  3. Size: small (< 10 files), medium (10-30 files), large (30+ files)
  4. Risk: low, medium, high (based on files changed and their criticality)

Step 2: Generate the Description

Use this template:

## Summary
{2-3 sentences explaining what this PR does and why}

## Changes

### {Module/Area 1}
- {specific change with impact}
- {specific change with impact}

### {Module/Area 2}
- {specific change with impact}

## Testing
- [ ] Unit tests pass
- [ ] Integration tests pass
- [ ] Manual testing performed
{Add specific testing notes}

## Deployment Notes
{Any migration steps, env var changes, or ordering requirements}

## Related Issues
Closes #{issue_number}
Refs #{issue_number}

Step 3: Handle Edge Cases

Scenario Behavior
No diff provided "Please provide a git diff (git diff) or branch name to generate a PR description."
Empty diff "No changes detected. The branch is up to date with the target branch."
Only dependency changes Type: chore(deps) — list updated packages with versions
Only formatting changes Type: style — note that no logic changed
Binary file changes List binary files changed without content analysis
Large PR (30+ files) Group by module/directory, describe at file-group level
Breaking changes Add explicit BREAKING CHANGE section
Database migrations Flag as high-risk, include rollback instructions

Step 4: Output Format

## Description

{generated PR description using the template above}

## Details
- **Type**: {type}
- **Scope**: {scope}
- **Risk**: {low/medium/high}
- **Files**: {count} files changed (+{additions}/-{deletions})

## Review Notes
{optional: specific areas needing careful review, potential concerns}

Read the full file on GitHub · 139 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. 10d ago First seen · 139 lines · 27 tokens per session scan A 120c12857e4f

Subscribe to this mod's changes

pr-description-generator is a skill published in the GitHub repository GoodJobwilliam/aicraft (2 stars, last pushed 7d ago), licensed MIT. It adds 27 tokens to every session and 939 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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