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REST API Best Practices

api-design-patterns

rohitg00/awesome-claude-code-toolkit

Guides REST API teams on naming resources, versioning, pagination, OpenAPI specs, error handling, headers, and rate limiting to keep services consistent, scalable, and client-friendly.

Code Documentation Specialist

code-documenter

Jeffallan/claude-skills

Generates, formats, and validates technical documentation for codebases, covering docstrings, OpenAPI/Swagger specs, JSDoc, portals, and tutorials; ideal when adding inline docs, API guides, or user-facing guides with verified examples.

Spec Implementation Planner

notion-spec-to-implementation

Prat011/awesome-llm-skills

Converts product or technical specs into detailed Notion implementation plans, tasks, and progress logs so Claude code can execute requirements tracking from inception to completion.

OpenAPI Specification Generation and Validation

openapi-spec-generation

sickn33/antigravity-awesome-skills

This skill provides comprehensive patterns for creating, maintaining, and validating OpenAPI 3.1 specifications for RESTful APIs. Use it for design-first API contract definition, generating specs from existing code, creating detailed API documentation, validating implementation conformance against the contract, and generating client SDKs. It ensures consistency across the entire API lifecycle.

Writing Structured Development Specifications

jeremylongshore/claude-code-plugins-plus-skills

This skill provides detailed guidance on authoring effective `specs.md` files for autonomous development workflows. It teaches users how to clearly define sprint goals, establish explicit scope boundaries (In/Out of Scope), and configure rigorous testing requirements (QA, UI Testing). This ensures that agentic development remains focused and prevents scope creep.

Test Coverage Mapper

alirezarezvani/claude-skills

Analyzes test coverage gaps by cataloging routes, components, APIs, and existing specs, then builds a coverage matrix, prioritizes missing areas, and recommends follow-up plans or auto-generation for missing tests.

Feature Implementation Flow

implement-feature

davepoon/buildwithclaude

Automates feature delivery by reading specs, designing architecture, coding in src/, adding tests, and preparing handoff notes while following structured checklists.

iOS HIG Design Guide

ios-hig-design-guide

davepoon/buildwithclaude

Use the iOS HIG Design Guide skill to sync Apple’s official Human Interface Guidelines, narrow in on relevant sections, and craft feature-specific UI/UX specs that cite sources, cover accessibility/localization, and make actionable product recommendations for iOS features.

Shadow API Endpoint Detection

detecting-shadow-api-endpoints

mukul975/Anthropic-Cybersecurity-Skills

Detects undocumented API endpoints by comparing traffic logs with OpenAPI specs, sweeping codebases, and using discovery tools so teams can inventory shadow APIs, validate monitoring rules, and shore up attack surface controls.

API Security Testing 42Crunch

implementing-api-security-testing-with-42crunch

mukul975/Anthropic-Cybersecurity-Skills

Use 42Crunch to run static API Audit and dynamic conformance scans on OpenAPI specs, integrating with IDEs and CI/CD pipelines to detect OWASP API Top 10 issues before deployment and maintain runtime compliance.

RESTler API Fuzzing Workflow

performing-api-fuzzing-with-restler

mukul975/Anthropic-Cybersecurity-Skills

Automates RESTler-based stateful fuzzing of OpenAPI-driven REST services by compiling specs into grammars, configuring authentication, and running test/fuzz modes to expose dependencies, 500 errors, auth bypasses, leaks, and injection flaws.

Autonomous Skill Factory

agent-skill-creator

FrancyJGLisboa/agent-skill-creator

Turns messy workflows, docs, transcripts, or existing scripts into production-ready cross-platform agent skills by surfacing hidden requirements, generating specs, and validating exports for Claude Code, Copilot CLI, Cursor, and similar runtimes.

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