Best Coding AI Skills — 17 Curated

17 hand-picked Coding AI skills with features, install steps and official links — for Claude, Cursor and ChatGPT.

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🧩
ClaudeFree
The official toolkit for complex multi-component web apps: React + Tailwind + shadcn/ui with state management and routing, deploy-ready.
React + Tailwind stack
shadcn/ui components
State & routing
Single-file output
Coding
🕸️
ClaudeFree
68k+ stars: turn any codebase into an interactive knowledge graph — explore, search and ask questions on the graph. The fastest way into an unfamiliar project.
Code to knowledge graph
Interactive exploration
Dependencies at a glance
Ask questions on the graph
Coding
👨‍💻
ClaudeFree
10k+ stars: 66 specialist skills for full-stack developers that turn Claude Code into a senior pair programmer — from architecture review to test strategy.
Architecture review
Code quality gates
Test strategy generation
Full-stack coverage
Coding
ClaudeFree
From Vercel's engineering team: Next.js best practices, caching strategy and upgrade assistant — Claude writes Next.js the officially recommended way.
App Router best practices
Cache component strategy
Upgrade assistant
Maintained by Vercel
Coding
📱
ClaudeFree
11 official Expo skills: native UI, routing, API routes, CI/CD and store deployment — official guidance for the whole cross-platform app lifecycle.
Native UI & navigation
EAS build & deploy
SwiftUI / Compose components
SDK upgrade assistant
Coding
🛠️
ChatGPTFree
OpenAI's official skill: complete scaffolding for ChatGPT Apps SDK projects — MCP server + widget UI end to end. Build an app that runs inside ChatGPT.
Apps SDK scaffolding
MCP server integration
Widget UI development
Debugging guide
Coding
🧰
ClaudeFree
Packages the workflows and quality gates senior engineers use — across defining, planning, building, testing, reviewing and shipping — into 24 reusable skills so AI coding agents follow the same production-grade practices every time.
24 production-grade skills
8 commands across the lifecycle
Skills auto-activate by context
/build auto runs end to end
Coding
🎮
ClaudeFree
Turns a single Claude Code session into a full game-dev studio: 49 specialized AI agents, 73 workflow skills (slash commands), and a coordination system mirroring a real studio hierarchy of directors, department leads and specialists — with 12 validation hooks and 11 path-scoped coding rules.
49 specialized AI agents
73 workflow slash commands
Director/lead/specialist tiers
Validation hooks + coding rules
Coding
📚
communityFree
A six-mode review suite grounded in twelve classic software-engineering books. It audits pull requests, architecture, technical debt, tests, and project health, returning structured symptom, source, consequence, remedy, and health-score findings.
Maintainability-focused PR review
Architecture and debt audits
Test and project health checks
Source-backed structured findings
Coding
ClaudeFree
Microsoft's official Claude Code and GitHub Copilot plugin marketplace for Power Platform. It provides reusable skills, agents, and commands for Power Pages, model-driven apps, MCP Apps, Code Apps, mobile and Canvas apps, and Power Automate.
Power Pages and Power Apps
Canvas, model, code, and mobile apps
Power Automate cloud flows
Build, debug, and deployment workflows
Coding
communityFreeNEW
More than one hundred reusable skills for modern Java enterprise projects, spanning requirements, architecture, planning, Maven, testing, refactoring, performance, observability, Spring Boot, and Quarkus.
Requirements, architecture, and delivery planning
Java design, refactoring, and secure coding
Testing, performance, and observability
Spring Boot and Quarkus specialists
Coding
💙
communityFreeNEW
Task-loaded skills derived from official Flutter, Dart, Firebase, and package documentation, covering architecture, state management, testing, Firebase, accessibility, and store-listing assets.
Flutter architecture and Effective Dart
Bloc, Riverpod, and Provider
Mockito, Mocktail, and E2E testing
Firebase, accessibility, and store assets
Coding
🎮
communityFreeNEW
Fifty-five on-demand skills for Godot 4.3+, covering project structure, GDScript and C#, 2D/3D, animation, UI, physics, audio, multiplayer, mobile, XR, native extensions, testing, and optimization.
Godot project structure and architecture
GDScript and C# development
2D/3D, UI, animation, and audio
Multiplayer, mobile, XR, and optimization
Coding
🧩
communityFreeNEW
Seven Agent Skills-standard guides for Symfony UX that help choose and implement Stimulus, Turbo, TwigComponent, LiveComponent, UX Icons, and UX Map patterns.
Symfony UX selection decision tree
Stimulus and Turbo specialist guidance
Twig and Live Component patterns
Icons, Leaflet, and Google Maps
Coding
🐘
communityFreeNEW
An assess-first modernization workflow for PHP 8.1–8.5 projects. It covers PHPStan, Rector, PER-CS, DTOs, enums, readonly boundaries, Symfony, and Doctrine while keeping risky bulk rewrites behind a dry-run and review gate.
Project inventory and checkpoint gaps
Safe Rector/PHPStan rehearsal
PHP 8.1–8.5 type modernization
Doctrine, Symfony, and testing boundaries
Coding
🧪
communityFreeNEW
Builds and strengthens unit, functional, architecture, E2E, integration, and mutation testing for TYPO3 extensions. It covers PHPUnit 11–13, TYPO3 12–14.3 LTS, multi-database matrices, Playwright accessibility checks, and CI diagnosis.
Testing gap assessment with 73+ checkpoints
Unit, functional, E2E, and mutation tests
PHP/TYPO3/database CI matrices
Test-environment and synthetic-secret guardrails
Coding
🔁
communityFreeNEW
A maintained plugin of 35 engineering agent skills that connects requirements, planning, implementation, simplification, code review, and captured project learning into a repeatable loop across Claude Code, Codex, and other agent hosts.
35 composable engineering workflows
Requirements-to-review compounding loop
Git, PR, browser, and Xcode workflows
Native Claude Code and Codex plugins
Coding