breaking-change-detector

Detect and warn about breaking API/schema changes before implementation. Auto-trigger when modifying API routes, database schemas, or public interfaces. Validates changes against api-strategy.md versioning rules. Suggests migration paths for breaking changes. Prevents removing endpoints, changing request/response formats, dropping database columns, modifying function signatures without deprecation.

$ インストール

git clone https://github.com/marcusgoll/Spec-Flow /tmp/Spec-Flow && cp -r /tmp/Spec-Flow/.claude/skills/breaking-change-detector ~/.claude/skills/Spec-Flow

// tip: Run this command in your terminal to install the skill