semver-bump-classify

Installation
SKILL.md

SemVer bump classifier

semver.bump-classify on https://fittings.sh. One endpoint, deterministic compute.

Classifies the change between two versions as major, minor, patch, premajor, preminor, prepatch, prerelease or none, with the direction and whether the move stays inside a caret range.

The call

GET https://fittings.sh/v1/semver/bump-classify
Field Type Required Notes
from string yes The version being moved away from, e.g. 1.2.3
to string yes The version being moved to, e.g. 1.3.0

Example input:

Installs
3
First Seen
Aug 18, 2026
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