interface-contract-design

Name: interface-contract-design
Availability: InStock
Author: burburton

Define precise input/output contracts for REST and gRPC API boundaries.

Updated Mar 22, 2026

Search Tags:#versioning #specification #contract #interface #api-design #upstream-downstream

Ready to run

npx skills add https://github.com/Burburton/amazing_agent_specialist --skill interface-contract-design

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: interface-contract-design
Source: https://github.com/Burburton/amazing_agent_specialist/tree/main/templates/pack/full/.opencode/skills/architect/interface-contract-design
Command: npx skills add https://github.com/Burburton/amazing_agent_specialist --skill interface-contract-design

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Interface Contract Design standardizes how teams specify API interfaces and module boundaries, eliminating ambiguity and preventing integration pitfalls.

Core Features & Use Cases

Create precise input/output contracts with explicit fields, types, constraints, and examples.
Define backward-compatible versioning, error taxonomies, and integration test scenarios to guide implementation.
Use for REST/gRPC boundaries, microservice interfaces, and cross-team collaboration to ensure stable contracts.

Quick Start

Draft a complete interface-contract for a new service endpoint and align upstream and downstream teams around the contract.

Frequently Asked Questions about interface-contract-design

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

FAQPage Schema

How do I define clear API interface contracts for cross-team collaboration?▼

API interface contracts define precise input/output fields, types, constraints, and examples for endpoints to align upstream and downstream teams. They apply to REST/gRPC boundaries and service interfaces to prevent integration pitfalls and ensure stable consumer expectations.

What is the best way to maintain backward compatibility when versioning API service boundaries?▼

API versioning maintains backward compatibility by defining explicit versioning rules and error taxonomies within interface contracts. Apply these rules to service boundaries and cross-team interfaces to ensure stable contracts without breaking existing consumers during updates.

How do I create contract-driven tests for REST and gRPC module boundaries?▼

Contract-driven tests for REST and gRPC boundaries are created by defining integration test scenarios derived from explicit input/output contracts. Specify precise fields, types, and error taxonomies to guide implementation and validate that upstream and downstream teams meet expectations.

Does interface contract design work for microservice interfaces and cross-team collaboration?▼

Interface contract design works for microservice interfaces and cross-team collaboration by standardizing how teams specify API boundaries. It eliminates ambiguity by defining explicit contracts, error taxonomies, and backward-compatible versioning for stable integration.

Why do I need an error taxonomy in my API specification for upstream and downstream teams?▼

An error taxonomy in an API specification categorizes explicit error responses within interface contracts to align upstream and downstream teams. It prevents integration issues by ensuring consumers understand failure modes and can handle errors predictably across service boundaries.