Skills
Browse ready-made skills for your agents, or submit your own - then subscribe once for all-access to everything on the marketplace.
Environment Variable Diagnostics
Diagnose and fix environment variable and configuration problems
Python Testing with pytest
Write and review Python tests with pytest
Python asyncio Patterns
Write and review correct async Python with asyncio
Fastify High-Performance API Patterns
Build and review Node.js APIs with Fastify
Node.js Caching Patterns
Add and review caching in Node.js services
Express.js API Patterns
Structure and review Express.js REST APIs for production
Git Security
Secure a Git repository and its supply chain
WPF MVVM with CommunityToolkit.Mvvm
Build and review WPF applications with MVVM using CommunityToolkit.Mvvm
Unit Testing Foundations
Write effective unit tests in any language
SQL Query Foundations
Write correct, readable SQL from scratch
Creating AiSkillz Skills
Create, structure, price and submit a skill for the AiSkillz marketplace
README Generator
Write and review a README.md that gets a reader from "what is this" to a working first run
CSS Layout Foundations: Flexbox and Grid
Build CSS layouts with Flexbox and Grid
Kubernetes Workload Patterns
Design and review Kubernetes workloads
ORM Anti-Patterns
Find and fix ORM anti-patterns that make apps slow and overload the database
Database Connection Pooling
Configure, size and review PostgreSQL connection pooling
Orchestrating GitHub Actions workflows
Design and review GitHub Actions workflow orchestration
Repository bots as GitHub Actions
Build and review repository bots that run as GitHub Actions and are triggered by workflows
Building custom GitHub Actions safely
Build, publish and review custom GitHub Actions
Security vulnerability pattern library for code review
Hunt for security vulnerabilities in a codebase using a library of 90+ concrete, stack-specific patterns
Fixing Windows Update problems
Diagnose and repair Windows Update problems
Speeding up slow Windows PCs (measure first)
Diagnose slow or laggy Windows PCs
Network & internet troubleshooting on Windows
Troubleshoot network and internet problems on Windows PCs
Windows event log pattern searching
Search and interpret Windows event logs to find patterns behind PC problems
Windows driver & device troubleshooting
Find and fix Windows driver and device problems
Disk health & safe cleanup on Windows PCs
Check and maintain disk health and free space on Windows PCs
Investigating crashes on Windows PCs
Investigate Windows crashes and unexpected restarts
Recovering Windows PCs that won't boot
Recover Windows PCs that won't boot or start properly
Windows PC health check & maintenance
Run a read-only Windows PC health check and maintenance review
Ship a mobile app to the App Store & Google Play
Run a first (or major) iOS and Android app launch end to end as one guided workflow
Pull request descriptions reviewers can trust
Write and review pull request (merge request) titles and descriptions from the branch's real diff and commits
Commit messages from the real diff
Write, split, and review git commit messages from the actual staged diff
Changelogs & release notes from git history
Generate and review changelogs and release notes from git history
Animations with tailwindcss-animate / tw-animate-css
Use, advise on, and review enter/exit animation utilities from tailwindcss-animate (Tailwind v3 plugin) and its Tailwind v4 successor tw-...
Styling with Tailwind CSS
Build, advise on, and review Tailwind CSS styling
Storybook & design system
Set up, write, and review Storybook for a React/Next.js design system (shadcn/Radix/Tailwind components)
Accessible UI with Radix UI primitives
Build, advise on, and review UI built on Radix Primitives (Dialog, DropdownMenu, Popover, Tooltip, Select, Tabs, Accordion, etc.) and Rad...
PostCSS configuration & plugins
Configure, advise on, and review PostCSS
Theme switching with next-themes
Set up, advise on, and review theming with next-themes
Using the Geist design system & fonts
Use, advise on, and review the Geist typeface family (Geist Sans, Geist Mono) and Geist design-system conventions
Code formatting with Prettier
Set up, advise on, and review Prettier formatting
Git hygiene
Advise on and review Git practices
Linting with ESLint
Configure, advise on, and review ESLint
Dependency upgrades
Plan, execute, and review dependency upgrades across npm/pnpm/yarn/bun, NuGet, and Expo SDKs
Code cleanup with CodeMaid (Visual Studio)
Work alongside, advise on, and review output of CodeMaid, the Visual Studio cleanup and reorganization extension for C# (and other VS lan...
Web & React Native testing
Write, advise on, and review tests for JavaScript/TypeScript web and React Native apps
.NET testing
Write, advise on, and review .NET tests
Web performance review
Review and improve web performance with a code-level checklist
Stack review (orchestrator)
Orchestrate a complete code review of a pull request, branch, diff, or project by detecting the tech stack from manifests and changed fil...
Release go/no-go checklist
Run a cross-platform go/no-go launch or release review for products spanning a Next.js web app, Supabase backend, Stripe/RevenueCat payme...
Privacy compliance
Review and implement privacy compliance for web and mobile apps
OWASP web security review
Perform cross-stack security reviews of web apps, APIs, and mobile backends aligned with the OWASP Top 10 and ASVS
Marketplace trust & safety
Design and review trust and safety for online marketplaces
Accessibility review
Review and fix accessibility in web and mobile apps against WCAG 2.2 AA
RevenueCat for React Native & Expo
Implement RevenueCat in-app purchases and subscriptions in React Native and Expo apps with react-native-purchases and react-native-purcha...
Push notifications
Implement and review mobile push notifications
Offline-first sync for mobile
Design, implement, and review offline-first data and synchronization for React Native/Expo apps
Expo native modules
Build and review custom native code for Expo apps with the Expo Modules API
RevenueCat integration review
Review and harden RevenueCat in-app purchase integrations across iOS, Android, React Native/Expo, and Flutter
Publishing to Google Play (Play Console guide)
Manage and review Android distribution on Google Play
EAS build & submit
Plan, configure, and review the Expo Application Services release pipeline
Publishing to the App Store (Apple Developer & App Store Connect guide)
Manage and review Apple app distribution
Skill reconcile
Reconcile an incoming skill (from a marketplace, a shared library, or a vendor update) with skills the user already has installed, withou...
Skill evaluation (CodeCraft)
Test and promote skills in the CodeCraft LLC agent-skills library
Skill authoring (CodeCraft house rules)
Create, update, and review skills in the CodeCraft LLC agent-skills library using its house rules
Schema validation with Zod
Build, advise on, and review runtime validation with Zod
Server state with TanStack Query
Build, advise on, and review server-state management with TanStack Query (React Query) v5
Building UIs with shadcn/ui components
Use, customize, and review shadcn/ui
Animations & gestures with Reanimated and Gesture Handler
Build, advise on, and review React Native animations and gestures with react-native-reanimated and react-native-gesture-handler
Forms with React Hook Form
Build, advise on, and review forms with React Hook Form
Styling React Native with NativeWind
Set up, advise on, and review NativeWind
Animations with Motion (formerly Framer Motion)
Build, advise on, and review animations with Motion for React (formerly Framer Motion)
Internationalization (i18n)
Build, advise on, and review internationalization and localization
TypeScript best practices & code review
Write, advise on, and review TypeScript
PowerShell scripting best practices
Write, advise on, and review PowerShell scripts, functions, and modules
Modern JavaScript (ECMAScript) best practices
Write, advise on, and review modern JavaScript (ES2020+) in browsers, Node.js, Deno, and Bun
C# & .NET best practices
Write, advise on, and review C# and .NET code
Technical SEO for Next.js
Implement and review technical SEO in Next.js App Router apps
React Native best practices & code review
Build, advise on, and review React Native apps
Working with react-dom
Use, advise on, and review react-dom
React best practices & code review
Build, advise on, and review React components and hooks
Next.js best practices & code review
Build, advise on, and review Next.js App Router code
Building .NET MAUI apps
Build, advise on, and review .NET MAUI cross-platform apps
Native UI patterns with Expo Router
Build and review native-feeling Expo Router app UI
Building apps with Expo
Build, advise on, and review Expo apps
Building Blazor apps
Build, advise on, and review Blazor apps (.NET 8+ Blazor Web App)
Vercel deployment
Deploy, advise on, and review apps on Vercel
pnpm + Turborepo monorepos
Set up, advise on, and review JavaScript/TypeScript monorepos with pnpm workspaces and Turborepo
Observability
Set up, advise on, and review error tracking, logging, tracing, and alerting across Next.js, Expo/React Native, Supabase, and .NET
CI/CD with GitHub Actions
Write, advise on, and review GitHub Actions workflows
Feature flags
Design, implement, and review feature flags and gradual rollouts
Containerizing apps with Docker
Write, advise on, and review Dockerfiles and Compose setups
Supabase query performance
Diagnose and fix Postgres performance in Supabase projects
Writing Supabase Edge Functions
Build, advise on, and review Supabase Edge Functions
Building with Supabase
Build, advise on, and review Supabase projects
Stripe integration review
Build and review Stripe payment integrations safely
Rate limiting
Design, implement, and review rate limiting and abuse throttling
Safe Postgres migrations
Write, plan, and review safe PostgreSQL schema migrations for live systems (Supabase, raw SQL, EF Core, Prisma, Drizzle)
Secure file uploads
Implement and review secure file uploads and downloads
Transactional email
Build, advise on, and review transactional and product email
EF Core data access & review
Build, advise on, and review Entity Framework Core data access
Postgres data modeling
Design and review PostgreSQL data models (including Supabase)
Background jobs
Design, implement, and review background work
Authentication & account flows
Design, build, and review authentication and account flows independent of provider (Supabase Auth, Auth.js, Clerk, Firebase, ASP.NET Iden...
Building ASP.NET Core APIs & apps
Build, advise on, and review ASP.NET Core web APIs and apps
API design
Design and review HTTP APIs consumed by apps, partners, and agents
MCP servers
Build, advise on, and review Model Context Protocol (MCP) servers
LLM integration
Build, advise on, and review application code that calls LLM APIs (any provider
RevenueCat Android SDK Configurator
Integrate and configure the RevenueCat Android SDK for in-app purchases.
RevenueCat Catalog Management Guide
Manage your Google Play products and RevenueCat entitlements with ease.
RevenueCat Android Subscription Management
Detect and manage Android subscription states and pauses with RevenueCat.
RevenueCat Alternative Billing Guide
Scope and implement Google Play alternative billing programs alongside the RevenueCat Android SDK.
RevenueCat Backend Integration
Learn how to integrate RevenueCat with your backend architecture correctly.
RevenueCat Android Project Setup
Configure Google Play integration, entitlements, and offerings in the RevenueCat dashboard.