API design

Apply Swift API Design Guidelines to name, label, and document Swift APIs.

dpearson2699/swift-ios-skills

Apply modern Swift language patterns and idioms for non-concurrency, non-SwiftUI code.

dpearson2699/swift-ios-skills

A skill your agent uses when designing or reviewing Kotlin function ownership, member or extension functions, factories, single-field domain types, value classes, data classes, Kotlin Multiplatform…

chrisbanes/skills

Comprehensive REST API design review with automated linting, breaking-change detection, and design scorecards.

alirezarezvani/claude-skills

Design, review, or change HTTP API contracts for AI DIAL Chat.

epam/ai-dial-chat

Golang struct and interface design — composition, embedding, type assertions, type switches, DI via interfaces, field tags, pointer vs value receivers.

context-labs/whip

Designs interfaces that survive their consumers — resource modeling, errors, versioning, pagination, and compatibility.

cbrock84/headcount

Quarkus 3.x LTS architecture patterns with Camel for messaging, RESTful API design, CDI services, data access with Panache, and async processing.

affaan-m/ECC

A skill your agent uses when a task needs AUTO-MAS engineering conventions across frontend, UI, code style, schema naming, module boundaries, function design, API contracts, data modeling, script…

AUTO-MAS-Project/AUTO-MAS

Generate interface/API docs — OpenAPI 3.1/AsyncAPI 3.0 specs, API topology diagrams, interface flow (sequence) diagrams, API changelog.

jh941213/my-cc-harness

Designs the data model, API contracts, and structural foundation of the system.

sickn33/agentic-awesome-skills

Generates complete, production-ready REST API endpoint specifications for any system or domain the user describes.

sickn33/agentic-awesome-skills

A skill your agent uses when settling the contract of an API you expose, before implementation: resources/URLs, REST vs GraphQL, versioning, one RFC 9457 error envelope, pagination, idempotency —…

ericrisco/rsc-harness

Python project organization, module architecture, and public API design.

wshobson/agents

Patrones de diseño REST API incluyendo nomenclatura de recursos, códigos de estado, paginación, filtrado, respuestas de error, versionado y rate limiting para APIs de producción.

affaan-m/ECC

リソース命名、ステータス コード、ページネーション、フィルタリング、エラー応答、バージョン管理、およびレート制限を含む REST API デザイン パターン。

affaan-m/ECC

A skill your agent uses when designing REST or GraphQL APIs, defining endpoints, implementing pagination/filtering, handling API versioning, or establishing API documentation with OpenAPI/Swagger.

MadAppGang/claude-code

当设计或修改 REST API 响应结构、处理 API 返回值时触发。防止 API 设计缺陷导致的字段错位、类型歧义等问题。

doccker/cc-use-exp

A skill your agent uses when building reusable node components — composition patterns, component communication, and interface design

jame581/GodotPrompter

Design and implement backend APIs with Zero Script QA validation.

ww-w-ai/bkit-claude-code

Backend development specialist covering API design, database integration, microservices architecture, and modern backend patterns.

modu-ai/moai-adk

React/Next.js component design patterns, state management strategies, and project structure reference for frontend development.

modu-ai/moai-adk

Decide whether a system needs a backend-for-frontend, how many, and what each one may own: adoption signals and honest costs, one-experience-one-BFF granularity with frontend-team ownership, the…

citypaul/.dotfiles

Design and evaluate deep modules: cohesive responsibility behind a small, stable caller-facing contract, with information hiding, justified seams, explicit effects, dependency strategy, and…

citypaul/.dotfiles

REST and GraphQL API design principles, versioning, error handling, and documentation patterns

cosmicstack-labs/mercury-agent-skills

[omh] Designing an API, server, or data-layer change: prepare server, API, and data-layer contracts — auth boundary, error paths, response shape, and schema/migration discipline — before…

rlaope/oh-my-hermes

Run the SPARC Pseudocode and Architecture phases (2 and 3) — write algorithm pseudocode, design module boundaries and API contracts, then implement

ruvnet/ruflo

Generic contract/schema boundary audit across authoring, discovery, validation, and execute—detecting split-brain between listings and invoke paths, gateway divergence, and permissive placeholders.

Arenukvern/mcp_flutter

A skill your agent uses when designing, implementing, or reviewing an HTTP API — endpoints, request and response shapes, errors, pagination, versioning, and authorization.

WrongStack/WrongStack

Stable consumer-facing API and interface design patterns. An agent skill from citypaul/.dotfiles.

citypaul/.dotfiles

Unix-composable CLI design patterns. An agent skill from citypaul/.dotfiles.

citypaul/.dotfiles

A skill your agent uses when deciding whether to use Go generics, writing generic functions or types, choosing constraints, or picking between type aliases and type definitions.

cxuu/golang-skills

Pydantic Models workflow skill. An agent skill from diegosouzapw/awesome-omni-skills.

diegosouzapw/awesome-omni-skills

Flags irreversible decisions before commit. An agent skill from jamditis/claude-skills-journalism.

jamditis/claude-skills-journalism

Build and deploy the same feature consistently across web, mobile, and desktop platforms using API-first architecture and parallel implementation strategies.

aiskillstore/marketplace

Clarify a material user-owned product decision before substantive implementation commitments.

asgeirtj/system_prompts_leaks

Define implementation contracts (APIs and data models) that developers will build against during PRD v0.6 Architecture.

mattgierhart/PRD-driven-context-engineering

A skill your agent uses when writing, modifying, or reviewing Rust code.

majiayu000/spellbook

A skill your agent uses when the user says 'design API', 'API endpoints', 'REST API', 'API designer', 'route structure', 'API architecture', or is designing RESTful API routes, request/response…

cwinvestments/memstack

AI/LLM defensive security reference: prompt-injection defense, OWASP LLM Top 10 defensive mapping, MCP and agentic tool-call hardening, training-data poisoning detection, model-output validation and…

modu-ai/moai-adk

Search-visibility and crawlability reference for web output: canonical URL discipline, per-page title and meta description uniqueness, robots.txt and sitemap.xml as host-derived artifacts, JSON-LD…

modu-ai/moai-adk

Test automate API endpoint testing including request generation, validation, and comprehensive test coverage for REST and GraphQL APIs.

jeremylongshore/tons-of-skills-marketplace

Validate API contracts using consumer-driven contract testing (Pact, Spring Cloud Contract).

jeremylongshore/tons-of-skills-marketplace

Test payment and checkout flows end to end against PSP sandboxes — Stripe first, with the general pattern for Adyen/Braintree/PayPal.

petrkindlmann/qa-skills

Product-specific interface design for an Agent-Native app. An agent skill from BuilderIO/agent-native.

BuilderIO/agent-native

Builds a feature specification from scratch through a relentless, evidence-based interview that walks the design tree decision-by-decision, resolving dependencies as it goes.

testdouble/han

Migrate a TypeScript codebase to MoonBit on the js target while keeping the same JavaScript API contract, using mizchi/js (JS/Web/Node bindings), mizchi/x (cross-target async backend…

mizchi/skills

Comprehensive API design patterns covering REST, GraphQL, gRPC, versioning, authentication, and modern API best practices

bobmatnyc/claude-mpm