Agent skill
changelog-generator
Automatically creates user-facing changelogs from git commits by analyzing commit history, categorizing changes, and transforming technical commits into clear, customer-friendly release notes. Turns hours of manual changelog writing into minutes of automated generation.
Install this agent skill to your Project
npx add-skill https://github.com/oldwinter/skills/tree/main/lenny-skills/changelog-generator
SKILL.md
Changelog Generator
This skill transforms technical git commits into polished, user-friendly changelogs that your customers and users will actually understand and appreciate.
When to Use This Skill
- Preparing release notes for a new version
- Creating weekly or monthly product update summaries
- Documenting changes for customers
- Writing changelog entries for app store submissions
- Generating update notifications
- Creating internal release documentation
- Maintaining a public changelog/product updates page
What This Skill Does
- Scans Git History: Analyzes commits from a specific time period or between versions
- Categorizes Changes: Groups commits into logical categories (features, improvements, bug fixes, breaking changes, security)
- Translates Technical → User-Friendly: Converts developer commits into customer language
- Formats Professionally: Creates clean, structured changelog entries
- Filters Noise: Excludes internal commits (refactoring, tests, etc.)
- Follows Best Practices: Applies changelog guidelines and your brand voice
How to Use
Basic Usage
From your project repository:
Create a changelog from commits since last release
Generate changelog for all commits from the past week
Create release notes for version 2.5.0
With Specific Date Range
Create a changelog for all commits between March 1 and March 15
With Custom Guidelines
Create a changelog for commits since v2.4.0, using my changelog
guidelines from CHANGELOG_STYLE.md
Example
User: "Create a changelog for commits from the past 7 days"
Output:
# Updates - Week of March 10, 2024
## ✨ New Features
- **Team Workspaces**: Create separate workspaces for different
projects. Invite team members and keep everything organized.
- **Keyboard Shortcuts**: Press ? to see all available shortcuts.
Navigate faster without touching your mouse.
## 🔧 Improvements
- **Faster Sync**: Files now sync 2x faster across devices
- **Better Search**: Search now includes file contents, not just titles
## 🐛 Fixes
- Fixed issue where large images wouldn't upload
- Resolved timezone confusion in scheduled posts
- Corrected notification badge count
Inspired by: Manik Aggarwal's use case from Lenny's Newsletter
Tips
- Run from your git repository root
- Specify date ranges for focused changelogs
- Use your CHANGELOG_STYLE.md for consistent formatting
- Review and adjust the generated changelog before publishing
- Save output directly to CHANGELOG.md
Related Use Cases
- Creating GitHub release notes
- Writing app store update descriptions
- Generating email updates for users
- Creating social media announcement posts
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