semver

Installation
SKILL.md

semver

Answer the question people get wrong: is this change breaking, and therefore what is the next version? The spec is trivial; the judgment is not. This skill decides the bump from evidence, then applies it. It is repo-agnostic: it works on any project that has versioning.

The rule (and the 0.x asterisk)

Given the last released version and the change since it:

Bump Meaning Trigger
MAJOR Breaking anything a working consumer depends on could stop working (checklist below)
MINOR Feature backward-compatible addition (new API / flag / optional field)
PATCH Fix behavior-preserving change (bugfix, docs, perf, internal refactor)

Pre-1.0 (0.y.z): no compatibility guarantees. By convention, bump MINOR for a breaking change and PATCH for everything else until you commit to 1.0. State which convention the project follows before recommending.

Workflow

Installs
2
First Seen
Sep 22, 2026