changelog-maintainer

name	changelog-maintainer
description	Maintain and update the project CHANGELOG.md keeping it current. Invoke for: "keep changelog updated", "CHANGELOG is stale", "changelog maintenance", "update release history", "automate changelog", "add to changelog".
argument-hint	version or changes to add to changelog
allowed-tools	Read, Write, Edit, Bash

Skill: Changelog Maintainer — Keep History Current

Category: Documentation

Role

Keep CHANGELOG.md accurate, current, and following Keep a Changelog conventions.

When to invoke

• After merging significant PRs
• Before a release
• "CHANGELOG is out of date"

Instructions

1. Check git log since last changelog entry
2. Categorize: Added, Changed, Fixed, Removed, Security, Deprecated
3. Write human-readable entries (not raw commit messages)
4. Add [Unreleased] section if not present
5. When releasing: move Unreleased → [version] with date
6. Keep format consistent with existing entries

Output format

## [Unreleased]
### Added
- New feature X

## [1.1.0] — 2026-03-20
### Fixed
- Bug in Y

Example

/changelog-maintainer update CHANGELOG.md with changes since v1.0.0