Maintain Your CHANGELOG.md with Claude
A CHANGELOG.md in Keep a Changelog format is the canonical place developers look for what changed between versions. Stop writing it by hand — pipe your git log and let Claude produce the entry.
git log v1.2.0..HEAD --oneline | claude -p "
Format these commits as a CHANGELOG.md entry for version 1.3.0
following the Keep a Changelog format. Group into Added, Changed,
Fixed, and Removed sections. Today's date is $(date +%Y-%m-%d).
Skip merge commits and internal chore entries.
"
Claude reads the raw commits, filters out noise like merge commits and typo fixes, infers intent from the messages, and produces a clean categorised entry ready to paste into your file:
## [1.3.0] - 2026-03-25
### Added
- User profile avatars with automatic resizing
### Fixed
- Cart total not updating when quantity changes
- Password reset email not sending on staging
Works best with conventional commit messages (feat:, fix:, chore:) but Claude handles natural-language commits too — it's good at inferring whether "tweak button styles" belongs under Changed or Fixed.
To keep this consistent, add a shell alias that always targets your last tag:
alias changelog='git log $(git describe --tags --abbrev=0)..HEAD --oneline | claude -p "Generate a Keep a Changelog entry for the next version. Group into Added, Changed, Fixed, Removed."'
You can also hand Claude your existing CHANGELOG.md and ask it to append entries for the latest commits — it'll match your existing format and slot the new section at the top without reformatting the rest of the file.
Run it before every release, paste the output, commit — your CHANGELOG practically writes itself.
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Set up Claude Code as an automated reviewer in your CI pipeline — on every pull request, it reads the diff, checks for bugs, security issues, missing tests, and convention violations, then posts its findings as a PR comment. Your human reviewers get a head start because the obvious issues are already flagged before they look.
Before deploying, tell Claude to read your project — migrations, environment variables, queue workers, scheduled tasks, caching, third-party integrations — and generate a deployment checklist that's specific to your app. Not a generic "did you run migrations?" list, but one that knows YOUR infrastructure and catches the things YOUR deploy can break.
Instead of writing a README from memory or copying a template, tell Claude to read your project and generate one that's actually accurate — real setup instructions from your config, real architecture from your directory structure, real API examples from your routes, and real prerequisites from your dependency files.