API Contract Enforcement

Quality score: 70/100 · Category: Engineering · Sub-category: backend

lang:pythontype:reviewtype:integration

Validates REST API implementations against OpenAPI 3.x specifications. Use when (1) Implementing or reviewing API endpoints, (2) Before deploying API changes to production, (3) Ensuring contract compliance between spec and implementation, or (4) Debugging API integration issues caused by contract mismatches. Works with Python (FastAPI/Flask) backends.

What this skill does

API Contract Enforcement is a production-ready Claude Code skill (quality score 70/100) in the backend sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/api-contract-enforcement/ and loads when your prompt matches the skill's trigger.

When to invoke it: Use when (1) Implementing or reviewing API endpoints, (2) Before deploying API changes to production, (3) Ensuring contract compliance between spec and implementation, or (4) Debugging API integration issues caused by contract mismatches. Works with Python (FastAPI/Flask) backends.

Who uses this skill

The API Contract Enforcement skill is built for software engineers, backend developers, full-stack teams, and technical leads building and maintaining production systems. It is part of the open ClaudSkills registry, a community-curated catalog of 15,000+ capabilities you can install for Claude Code — the Claude CLI agent.

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/api-contract-enforcement
curl -L https://claudskills.com/skills/api-contract-enforcement/SKILL.md \
  -o ~/.claude/skills/api-contract-enforcement/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/api-contract-enforcement/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/api-contract-enforcement/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\api-contract-enforcement\SKILL.md on Windows. See the full install guide for step-by-step instructions.

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

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Part of ClaudSkills — the open registry for Claude Code skills. · What's New · Install guide · About · llms.txt

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