Commitizen

Commitizen is a Git workflow CLI for teams that want structured commit messages and release metadata derived from commit history. Beyond the interactive cz commit flow, it also validates commit messages, calculates semantic version bumps, and writes changelogs from repo state.

• Create guided conventional commits, or write the generated commit message to a file for wrapper scripts and hooks.
• Validate a single message, a commit-msg file, or a revision range in CI before merging or releasing.
• Calculate the next release version, update version files and tags, and generate changelog content from Git history.

• Works well in repo-local automation for commit linting and release steps because cz check, cz bump, cz changelog, and cz version have stable flags, stdout output, and documented exit codes.
• Machine-readable output is limited: there is no JSON mode, so agents mostly rely on plain text, stdout-only flags like --get-next or --changelog-to-stdout, and exit status.
• Mixed fit overall: useful once a repo is already configured around conventional commits, but cz commit and cz init are questionary-driven interactive flows rather than unattended primitives.

• Most commands expect a Git repo plus Commitizen configuration or a version provider, so usefulness depends on project setup and tag history.
• cz bump can still prompt when no matching tag is found unless configuration is already in place or --yes is used.