skills.rest
Ahmednoorani258
Ahmednoorani258COMMUNITY
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api-contract-enforcement

Identify discrepancies between OpenAPI specifications and FastAPI or Flask REST API implementations.

Updated Jan 6, 2026
Search Tags:#api#fastapi#openapi#validation#backend#contract
One-click install
npx skills add https://github.com/Ahmednoorani258/Hackathon2-phase3 --skill api-contract-enforcement
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: api-contract-enforcement
Source: https://github.com/Ahmednoorani258/Hackathon2-phase3/tree/main/.claude/skills/api-contract-enforcement
Command: npx skills add https://github.com/Ahmednoorani258/Hackathon2-phase3 --skill api-contract-enforcement

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires pyyaml, and includes scripts (resource) and references (resource) components.

What problem does it solve?

REST API implementations often drift from the OpenAPI specification, causing runtime errors, integration issues, and deployment risks.

Core Features & Use Cases

  • Contract alignment: Verifies routes, methods, and data contracts across OpenAPI and backend implementations (FastAPI/Flask).
  • Regression checks: Detects drift between specs and implementations during reviews or pre-prod gates.
  • Guided remediation: Provides actionable messages to fix missing endpoints, parameter mismatches, and response schema gaps.

Quick Start

Run the validator with your OpenAPI spec and backend module to verify contract conformance.

Frequently Asked Questions about api-contract-enforcement

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I validate my FastAPI implementation against an OpenAPI specification?▼

To validate a FastAPI implementation against an OpenAPI specification, you can run the validator with your spec and backend module to verify routes, path parameters, request bodies, and response schemas conform to the contract.

What causes REST API drift from OpenAPI specifications during development?▼

REST API drift from OpenAPI specifications occurs when implementations deviate from the defined endpoints, methods, or data contracts, causing runtime errors and integration issues. Identifying these discrepancies ensures alignment.

Can I check Flask route contracts for OpenAPI compliance before production?▼

Yes, you can check Flask route contracts for OpenAPI compliance before production. It verifies endpoints, payloads, and responses during code reviews and pre-deployment gates to ensure backend implementations conform.

What is the best way to detect missing endpoints and response schema gaps in a Python backend?▼

The best way to detect missing endpoints and response schema gaps in a Python backend is to use a contract validation tool that compares implementations against OpenAPI specs and reports violations with actionable guidance.

Do I need pyyaml to validate OpenAPI specs with my Python backend?▼

Yes, you need pyyaml installed to validate OpenAPI specs with your Python backend. The dependency is required to parse and process the YAML files used for the contract enforcement checks.

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