openapi-contract-diff

Installation
SKILL.md

openapi-contract-diff

Overview

oasdiff is the canonical CLI for comparing two OpenAPI specifications and reporting breaking changes (oasdiff-readme). It runs over 250 checks against the diff and classifies each finding into one of three severity tiers (oasdiff-breaking):

Severity Meaning
ERR Definite breaking change - should be avoided.
WARN Potential breaking change - developers should be aware.
INFO Non-breaking change.
Installs
5
Repository
testland/qa
GitHub Stars
13
First Seen
Oct 12, 2026