203 of these skill files have been read, by 224 distinct authors, and what they tell an agent counted. What API design authors agree on, and what they forbid

• 1

  Api contract review

  decebals/claude-code-java/.claude/skills/api-contract-review · Skill

  703★ repo

  Reusable AI development infrastructure for Java projects, optimized for Claude Code

• 2

  Api design

  margelo/react-native-skills/skills/api-design · Skill

  no license154★ repo

  The best react-native Agent Skills. Forget 10x, this is 100x.

• 3

  Api design patterns

  AsyrafHussin/agent-skills/skills/api-design-patterns · Skill

  62★ repo

  Agent skills for AI coding agents (Claude Code, Cursor, Codex, Windsurf) — Laravel, React, TypeScript, MySQL, code quality, technical debt, documentation, and security.

• 4

  Api design

  proyecto26/system-design-skills/skills/api-design · Skill

  46★ repo

  A divide-and-conquer wiki of system-design skills for Claude Code — reason about scalable systems, don't memorize architectures.

• 5

  Api contract first

  robisson/build-like-amazon-agent-skills/skills/api-contract-first · Skill

  13★ repo

  Production-grade engineering skills for AI coding agents, built on Amazon Way of building services

• 6

  Sota api design

  martinholovsky/SOTA-skills/skills/sota-api-design · Skill

  12★ repo

  State-of-the-Art (2026) AI/LLM engineering skills/agents for building and auditing software — 40+ domain & language skills, BUILD/AUDIT modes, audit checklists.

• 7

  Api design

  wpank/ai/skills/api/api-design · Skill

  no license11★ repo

  A curated collection of 115 skills, 16 agents, and 48 commands for Claude Code and Cursor.

• 8

  Api design principles

  carlopezzuto/agents/.claude/skills/api-design-principles · Skill

  3★ repo

  Claude Code configuration with 42 specialized agents, 33 skills, 28 commands, and a hook system for development best practices

• 9

  Api design

  ProjAnvil/MindForge/skills/en/api-design · Skill

  3★ repo

  A comprehensive AI toolkit for Claude Code featuring multi-language agents, reusable skills, and MCP services to supercharge your development workflow

• 10

  Api design

  iwritec0de/app-dev/skills/api-design · Skill

  3★ repo

  Full-stack Next.js development plugin for Claude Code

• 11

  Api contract review

  ldilov/harness-forge/skills/api-contract-review · Skill

  3★ repo

  AI coding agent runtime that makes LLMs understand your codebase with repository-aware context, memory, and continuous learning

• 12

  Api design

  halflength-ampleness75/claude-code-recipes/skills/api-design · Skill

  2★ repo

  Provide ready-to-use Claude Code commands, subagents, hooks, skills, and configs to simplify setup and speed up development.

• 13

  Api design review

  chrislacey89/skills/api-design-review · Skill

  2★ repo

  Pipeline-first Claude Code skills pack — 19 composable skills for structured feature delivery from shape to ship

• 14

  Api sculptor

  mturac/hermes-supercode-skills/skills/api-sculptor · Skill

  2★ repo

  ⚡ 13 production-grade skills for Claude Code · db-whisperer, auth-architect, obs-guardian + 10 more · Zero config · MIT

• 15

  Api contract evolution

  ajaygodbole7/rest-api-skill/skills/api-contract-evolution · Skill

  no license2★ repo

  Zalando RESTful API Guidelines reformatted as Agent Skills for AI coding agents

• 16

  Api design review

  Noorkhalel/saas-ai-skills/skills/api-design-review · Skill

  1★ repo

  Open-source AI Skills library for building, improving, and scaling modern SaaS applications.

• 17

  Pwp api design

  shandar/pwp-plugin/skills/pwp-api-design · Skill

  1★ repo

  11 systematic skills for Claude Code — structured protocols for debugging, code review, security, refactoring, testing, deployment, and more. No vibes, just discipline.

• 18

  Api design

  0xc000022070/agentic-flake/examples/3-home-manager/skills/api-design · Skill

  no license1★ repo

  Composable agent skills and project-scoped environments for Nix.

• 19

  Api design

  SkillMedev/full-stack-web-dev/skills/api-design · Skill

  1★ repo

  Next.js to Postgres — build and ship a modern web app end to end.

• 20

  Api design

  simanam/theaiteam/team/skills/architecture/api-design · Skill

  no license1★ repo

  Reusable, provider-agnostic AI team. Drop a project brief, get end-to-end delivery. 12 role agents + 112 skills + orchestrator + self-improvement. Works with Claude Code, Codex, or Gemini.

• 21

  Api design

  SkillMedev/technical-writing-studio/skills/api-design · Skill

  1★ repo

  Docs people actually read — READMEs, guides, changelogs, and specs.

• 22

  Api design

  marktco/agentic-de-atrophy/skills/design/api-design · Skill

  1★ repo

  Skills for stronger programming practice in the AI/agent era.

• 23

  Api design

  aps08/fullstack-clean-architecture/.agents/skills/api_design · Skill

  1★ repo

  Read to code, just run Docker compose.

• 24

  Sharp api design

  zhouhuijia/sharp-skills/skills/sharp-api-design · Skill

  no license1★ repo

  AI Agent 品控规则合集。Stop AI slop — 六个模块，七平台兼容，一行命令安装。

• 25

  Api design

  piyushzala158/agent-skills/api-design · Skill

  1★ repo

  collection of reusable engineering skills for AI coding agents

• 26

  Api contract review

  tunahanaliozturk/secure-dotnet-skills/skills/api-contract-review · Skill

  1★ repo

  Aegis — 12 judgment-style agent skills for secure, production-grade .NET on Azure (security, design, performance, concurrency, observability). Works with Claude Code, Codex, Cursor, Gemini.

• 27

  Skill

  mohamedzhioua/proofguard/deferred/api-contract-guard/skill · Skill

  1★ repo

  Kill-tested guard skills for AI coding agents , self-invoking quality gates that catch AI failure modes in security, tests, docs, dependencies, and diffs before the agent says "done." Works with Claude Code, Codex, and Cursor.

• 28

  Api contract

  YouRen1320/agent-project-kit/.agents/skills/api-contract · Skill

  1★ repo

  Reusable repository guidance, workflows, runbooks, and skills for people, Codex, and Claude Code.

• 29

  Api design

  BTN101/claude-skill-pack/skills/engineering/api-design · Skill

  0★ repo

  Claude skills organized into domain layers — engineering, product, founder/GTM, design, and documents

• 30

  Contract test writer

  SkillMedev/qa-test-automation/skills/contract-test-writer · Skill

  0★ repo

  Build a test suite that actually catches bugs — and stops flaking.

• 31

  Api design pro

  jayesh-bansal/api-design-pro · Skill

  no license0★

  Claude skill: API design intelligence - REST conventions, RFC 9457 errors, cursor pagination, idempotency keys, signed webhooks. Design APIs like Stripe, not a CRUD generator.

• 32

  Api contract

  digitaldreams/tuhin/skills/api-contract · Skill

  0★ repo

  My dev identity as a Claude Code plugin — a full Laravel team in a box: SDLC pipeline, task board, coding agents, and audit skills.

• 33

  Api design

  Baufest/skills/skills/api-design · Skill

  0★ repo

  Public repository for a curated collection of agent skills

• 34

  Api design

  rynhardt-potgieter/sprint_workflow/plugins/sprint-workflow/skills/api-design · Skill

  0★ repo

  A portable Claude Code plugin system for orchestrating software development through parallel specialist agents, enforced engineering standards, and automated quality gates. One command to plan. Parallel agents to build. Automated gates to ship.

• 35

  Nestjs 2muchcoffee

  2muchcoffeecom/nestjs-manifesto/.claude/skills/nestjs-2muchcoffee · Skill

  0★ repo

  The 2muchcoffee NestJS engineering manifesto plus drop-in agent skill files for Claude Code, Cursor, and Codex.

• 36

  Api design

  tyecode/skills/skills/engineering/api-design · Skill

  0★ repo

  Personal AI agent skills for better coding. Fixes common agent failure modes: misaligned requirements, blind coding, debugging loops, and lost context between sessions.

• 37

  Api contract validation

  TheophilusChinomona/idev/skills/api-contract-validation · Skill

  0★ repo

  Claude Code plugin: token-optimized dev workflow — cached project context, pattern scanners, build & wiring verification, session persistence, self-review. 23 skills, 3 agents, 4 commands.

• 38

  Api design

  cipradu/Agent-Workbench/skills/api-design · Skill

  0★ repo

  Portable skills, agents, and operating workflows for AI assistants.

• 39

  Api contract governor

  satishTheLegend/api-contract-governor · Skill

  0★

  Governs API evolution across producer and consumers: detects breaking changes, blocks them at the gate, and orchestrates a versioned deprecation lifecycle nobody can short-circuit.

• 40

  Api design first

  vaibhavsaxena022/skills/api-design-first · Skill

  0★ repo

  AI-agent skills for software engineering — works with Claude Code, Codex, Cursor

• 41

  Go api design

  Gisellesleeveless396/go-agent-skills/skills/(architecture)/go-api-design · Skill

  0★ repo

  Provide Go agent skills for cleaner, idiomatic code across Claude Code, Cursor, Copilot, and more with one install

• 42

  Api contract validator

  lazymac2x/api-contract-validator-api/io.github.lazymac2x/api-contract-validator · MCP server

  no license0★ repo

  Cloudflare Workers MCP server: api-contract-validator

• 43

  Api design

  DevelopersGlobal/ai-agent-skills/skills/api-design · Skill

  65★ repo

  AI agent skills for production grade applications

• 44

  Api design

  OutlineDriven/odin-claude-plugin/skills/api-design · Skill

  34★ repo

  Outline-Driven Development for Claude Code - 46 agents, 25+ skills, diagram-first methodology, AST-based editing, atomic commits.

• 45

  Api design

  oribarilan/97/skills/api-design · Skill

  no license23★ repo

  Agent skills distilled from the hard-won lessons of world-renowned programmers, in the spirit of "97 Things Every Programmer Should Know"

• 46

  Java api review

  ducpm2303/claude-java-plugins/plugins/java-core/skills/java-api-review · Skill

  no license17★ repo

  Java developer toolkit for Claude Code — skills, agents, hooks, and coding standards for Java 8+ projects

• 47

  Api design

  s-hiraoku/synapse-a2a/.agents/skills/api-design · Skill

  no license10★ repo
• 48

  Api design

  viknesh20-20/claude-code-tool-kit/.claude/skills/api-design · Skill

  7★ repo

  Production-ready Claude Code configuration. 12 original agents, 200+ slash-command skills, 45+ MCP servers, 14 plugins, design + 3D + WebGPU + GSAP + RAG tooling. One-command Node.js installer for premium websites, SaaS apps, AI agents. Free, MIT, stack-agnostic.

• 49

  Component api design

  segunadebayo/design-eng-skills/skills/component-api-design · Skill

  6★ repo

  Agent skills for design engineers: state machine design, component API design, engineering writing, changeset writing.

• 50

  Api review

  pekral/cursor-rules/skills/api-review · Skill

  5★ repo

  PHP and Laravel Cursor rules — coding standards, testing, and conventions for the Cursor editor. Install via Composer.

• 51

  Api design

  aneja5/forge-skills/skills/api-design · Skill

  3★ repo

  An assembly line for AI software development. 35 skills, 11 agent personas, 29 commands. From raw idea to shipped code.

• 52

  Api design

  atuljha23/holocron/skills/api-design · Skill

  2★ repo

  Role-aware Claude Code plugin: 10 specialist agents (frontend, backend, QA, a11y, perf, security, architect, debugger, code-reviewer, docs), 15 domain commands, 8 skills, and a SQLite-backed learning crystal that compounds your corrections across sessions.

• 53

  Skill api design

  saitarrun/sdlc-ai-workflow/skills/skill-api-design · Skill

  no license2★ repo

  A comprehensive Claude Code plugin that automates the complete Software Development Lifecycle with 20 role-specific agents, 12 knowledge skills, and 8 commands, all guided by principles.

• 54

  Api contract generation

  ajaygodbole7/rest-api-skill/skills/api-contract-generation · Skill

  no license2★ repo

  Zalando RESTful API Guidelines reformatted as Agent Skills for AI coding agents

• 55

  Imlazy api design

  hnikoloski/imlazy/skills/imlazy-api-design · Skill

  2★ repo

  Token-efficient tier-routed agent orchestrator 40+ skills, 19 agents, Obsidian vault. Works with Claude Code, OpenCode, Codex CLI.

• 56

  Truestack api design

  adtn0810/truestack/skills/truestack-api-design · Skill

  2★ repo

  Honesty-first coding skill set for Claude Code — 21 skills behind an orchestrate router with an enforced governance gate, a code↔memory tally, and auto-research. Built for self-hosted work.

• 57

  Api design

  furkangonel/cowrangler/bundled_skills/api-design · Skill

  2★ repo

  Autonomous terminal AI agent for workflows and feasible project procedures. Co-Worker Co-Wrangler 🐙

• 58

  Api design

  MartinOlivero/saas-builder/skills/api-design · Skill

  1★ repo

  Build a complete, secure SaaS end to end in Claude Code: prevention-first security (not audit), real Stripe payments (not just a catalog), and 15 lifecycle skills. Pairs with Superpowers — needs nothing else.

• 59

  Api design

  medy-gribkov/arcana/skills/api-design · Skill

  1★ repo

  Universal AI development toolkit. 74 production-ready skills for every coding agent. Works with Claude Code, Cursor, Codex.

• 60

  Api design

  pvnarp/agent-skills/skills/api-design · Skill

  1★ repo

  Skills I use with Claude Code across my projects. Architecture, code review, testing, security, deployment, and more.