api-contract

Define and validate API contracts between frontend and backend services.

Updated Aug 23, 2026
One-click install
npx skills add https://github.com/maxwalser001-del/shieldpilot --skill api-contract-maxwalser001-del
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: api-contract
Source: https://github.com/maxwalser001-del/shieldpilot/tree/main/.claude/skills/api-contract
Command: npx skills add https://github.com/maxwalser001-del/shieldpilot --skill api-contract-maxwalser001-del

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Bridge gaps between frontend and backend teams by defining, validating, and maintaining precise API contracts to prevent integration mismatches.

Core Features & Use Cases

  • Publish a standard contract template for new endpoints and changes.
  • Validate that frontend requests and backend responses conform to agreed formats, authentication rules, and error schemas.
  • Document endpoint behavior and facilitate cross-team reviews during development and rollout.

Quick Start

Define a new contract for an endpoint and circulate it to frontend and backend teams to ensure aligned request/response formats.

Frequently Asked Questions about api-contract

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

FAQPage Schema
How do I align frontend and backend API contracts to prevent integration mismatches?

API contract validation checks that frontend requests and backend responses conform to agreed schemas, authentication rules, and error formats. It works by applying a standard contract template when adding or modifying endpoints to catch integration mismatches early.

How do I document endpoint behavior for frontend-backend integration?

You document endpoint behavior by publishing a standard contract template that specifies URL patterns, request/response schemas, and error handling. Circulating this template to frontend and backend teams facilitates cross-team reviews and ensures aligned integration.

What do I need to define before validating a new API endpoint contract?

Before validating a new API endpoint contract, you need to define the URL patterns, authentication requirements, request/response schemas, and error handling rules. These elements form the baseline template required to enforce precise integration alignment.

When should I enforce API contract validation during development?

You should enforce API contract validation when adding or modifying endpoints and planning frontend-backend integration. Applying validation during these phases ensures that both teams adhere to documented schemas and authentication requirements before rollout.

Can I use a standard template for API endpoint definition and cross-team reviews?

Yes, you can use a standard template for API endpoint definition to facilitate cross-team reviews. The template codifies request/response formats and error schemas, ensuring frontend and backend teams validate changes against the same documented standard.