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Keep a Changelog format guidelines and entry writing best practices. Use when writing changelog entries, updating CHANGELOG.md, or following Keep a Changelog specification.
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Provides Mermaid diagram syntax, best practices, and styling rules for technical visualizations. Use when creating diagrams, flowcharts, sequence diagrams, class diagrams, state diagrams, ER diagrams, architecture diagrams, C4 diagrams, visualizations, or any visual documentation in markdown. Always use this skill when generating or updating Mermaid code blocks.
Documentation management workflow for MkDocs sites and standalone markdown files — initialize, generate, update docs, and create change summaries. Use when asked to "create docs", "write README", "update documentation", "generate docs site", "write CONTRIBUTING", "manage documentation", or "docs changelog".
Conduct an adaptive interactive interview on any topic and produce a structured markdown report, summary, or implementation plan. Use when the user says "interview me", "interview me about", "run an interview on", "help me think through", or wants guided discovery on any subject. Also triggers on "talk me through", "explore X with me", "help me plan Y", or "walk me through my thinking on Z" when the user wants a guided conversation rather than a direct answer. Applies broadly — career decisions, project ideas, product direction, personal goals, research questions, team problems — not just technical topics.
Analyze an existing spec for inconsistencies, missing information, ambiguities, and structure issues. Use when user says "analyze spec", "review spec", "spec quality check", "validate requirements", "audit spec", or "check spec quality".
Provides architectural pattern knowledge for designing feature implementations including MVC, event-driven, microservices, and CQRS patterns. Use when designing system architecture or choosing implementation patterns.
Systematic, hypothesis-driven debugging workflow with triage-based track routing. Use when asked to "fix this bug", "debug this", "why is this failing", "this is broken", "investigate this error", "track down this issue", or any debugging situation. Supports --deep flag to force full investigation.
| name | changelog-format |
| description | Keep a Changelog format guidelines and entry writing best practices. Use when writing changelog entries, updating CHANGELOG.md, or following Keep a Changelog specification. |
| dependencies | [] |
This skill provides guidelines for writing and formatting changelogs following the Keep a Changelog specification.
[Unreleased] for upcoming changesUse these categories in this order:
| Category | Description | When to Use |
|---|---|---|
| Added | New features | New functionality users can now do |
| Changed | Changes in existing functionality | Behavior modifications, improvements |
| Deprecated | Soon-to-be removed features | Features marked for future removal |
| Removed | Removed features | Features that no longer exist |
| Fixed | Bug fixes | Corrections to existing functionality |
| Security | Security vulnerability fixes | Security-related changes |
Added
Changed
Deprecated
Removed
Fixed
Security
Start entries with imperative verbs:
| Do | Don't |
|---|---|
| Add support for... | Added support for... |
| Fix crash when... | Fixed a crash that occurred when... |
| Remove deprecated... | Removed the deprecated... |
| Change default to... | Changed the default to... |
Write from the user's perspective:
| Good (User-focused) | Bad (Implementation-focused) |
|---|---|
| Add dark mode toggle | Implement ThemeProvider context |
| Fix login failing silently | Add try-catch to auth handler |
| Speed up page load by 40% | Optimize database queries |
| Good (Specific) | Bad (Vague) |
|---|---|
| Fix crash when uploading files over 10MB | Fix upload bug |
| Add CSV export for transaction history | Add export feature |
| Change session timeout from 30 to 60 minutes | Update session settings |
Use parenthetical context for clarity:
- Add OAuth2 support (Google, GitHub)
- Fix timezone handling (UTC offset calculation)
- Change rate limit (100 -> 500 requests/minute)
# Changelog
All notable changes to this project will be documented in this file.
The format is based on [Keep a Changelog](https://keepachangelog.com/),
and this project adheres to [Semantic Versioning](https://semver.org/).
## [Unreleased]
### Added
- New entries go here
## [1.0.0] - 2024-01-15
### Added
- Initial public release
- Feature A with description
- Feature B with description
### Changed
- Improvement to existing feature
### Fixed
- Bug fix description
## [0.9.0] - 2024-01-01
### Added
- Beta release features
[Unreleased]: https://github.com/owner/repo/compare/v1.0.0...HEAD
[1.0.0]: https://github.com/owner/repo/compare/v0.9.0...v1.0.0
[0.9.0]: https://github.com/owner/repo/releases/tag/v0.9.0
Changelog categories map to version bumps:
| Category | Version Impact |
|---|---|
| Removed (after v1.0) | MAJOR bump |
| Removed (before v1.0) | MINOR bump |
| Added, Changed | MINOR bump |
| Deprecated, Fixed, Security | PATCH bump |
- Add user authentication with email/password and OAuth (Google, GitHub)
- Add bulk export of transactions to CSV and Excel formats
- Add keyboard shortcuts for common actions (Ctrl+S to save, Ctrl+Z to undo)
- Add dark mode with automatic system preference detection
- Add webhook support for order status changes
- Add rate limiting (100 requests/minute per API key)
| Poor Entry | Why It's Poor | Better Version |
|---|---|---|
Added new feature | Too vague, no information | Add invoice PDF generation |
Implemented AuthService class | Implementation detail, not user-facing | Add user authentication |
Added support for thing | Unclear what "thing" is | Add support for WebP image uploads |
New button | No context, incomplete | Add "Export All" button to dashboard |
- Improve search performance (3x faster for large datasets)
- Change default session timeout from 30 minutes to 2 hours
- Update password requirements: minimum 12 characters, 1 number required
- Redesign settings page with tabbed navigation
- Move API documentation to /docs endpoint
- Increase file upload limit from 5MB to 25MB
| Poor Entry | Why It's Poor | Better Version |
|---|---|---|
Refactored code | Internal detail, no user impact | (Omit, or) Improve page load speed by 40% |
Updated dependencies | Internal maintenance | (Omit unless user-facing change) |
Changed stuff | Completely uninformative | Change notification preferences to opt-in |
Made improvements | Too vague | Improve error messages with specific guidance |
- Fix crash when uploading files larger than 10MB
- Fix incorrect tax calculation for international orders
- Fix login button not responding on mobile Safari
- Fix timezone display showing UTC instead of local time
- Fix memory leak causing slowdown after extended use
- Fix email notifications not sending for new comments
| Poor Entry | Why It's Poor | Better Version |
|---|---|---|
Fixed bug | No description of what was fixed | Fix duplicate orders created on retry |
Bug fix | Even less information | Fix search returning stale results |
Fixed issue #123 | Requires looking up issue | Fix CSV export missing header row (#123) |
Fixed null pointer exception in UserService.java:42 | Too technical | Fix crash when viewing deleted user profile |
- Remove deprecated /api/v1 endpoints (use /api/v2 instead)
- Remove support for Internet Explorer 11
- Remove "Classic" theme (migrate to "Modern" theme in settings)
- Remove automatic social media sharing (use manual share buttons)
- Remove legacy import format (use CSV import instead)
- Deprecate /api/v1/users endpoint (use /api/v2/users, removal in v3.0)
- Deprecate XML export format (use JSON export, removal in 6 months)
- Deprecate "Classic" theme (will be removed in next major version)
- Deprecate basicAuth parameter (use apiKey authentication instead)
- Fix XSS vulnerability in comment rendering (CVE-2024-1234)
- Fix SQL injection in search query parameter
- Add Content-Security-Policy headers
- Update authentication to prevent session fixation attacks
- Fix CSRF vulnerability in account settings form
- Upgrade TLS minimum version to 1.2
Clearly indicate breaking changes:
### Removed
- **BREAKING**: Remove support for Node.js 14 (minimum now Node.js 18)
- **BREAKING**: Remove /api/v1 endpoints (migrate to /api/v2)
### Changed
- **BREAKING**: Change config file format from YAML to TOML
- **BREAKING**: Rename `user.name` field to `user.displayName` in API responses
When multiple related changes are made, group them thoughtfully:
### Added
- Add user profile customization
- Profile picture upload
- Bio and social links
- Custom theme colors
- Add team collaboration features
- Shared workspaces
- Real-time presence indicators
- Comment threads on items
This skill requires the following capabilities from the host environment: