Codex skills by stack
Categories sort skills by the kind of work. These pages sort them by the technology in front of you, across every category: the PostgreSQL page puts schema design next to backups, ORMs and the platforms that run Postgres.
Languages 8
- TypeScript41 TypeScript Type Errors, TypeScript React Types, TypeScript Strict Mode
- JavaScript26 Modern JavaScript, Bun Runtime, Deno 2 Apps
- Python78 uv Python Packaging, pytest Testing, Python Typing
- Go8 Go Idioms, Go Concurrency, Go HTTP Services
- Rust13 Rust CLI with clap, Rust to WebAssembly, Embedded Rust with Embassy
- Java and Kotlin on the JVM16 Java 21 Features, Maven and Gradle Builds, Kotlin Idioms
- SQL20 SQL Window Functions, SQL Query Review, Snowflake SQL
- Solidity and Ethereum10 Solidity Contracts, Smart Contract Audit, Foundry Testing
Frameworks and engines 5
- React37 React 19 Patterns, React Server Components, React Performance
- Next.js20 Next.js App Router, Next.js Caching, Next.js Server Actions
- Unity6 Unity C# Scripting, Unity Performance, ECS Architecture
- Godot6 Godot 4 GDScript, Godot 4 C#, GLSL and WGSL Shaders
- Ruby on Rails9 Ruby Idioms, Rails 8 Apps, Active Record Performance
Platforms and clouds 10
- Node.js15 Node.js Streams, Node.js Profiling, Express 5 API
- iOS and Swift17 SwiftUI Views, Swift Concurrency, SwiftUI Navigation
- Android and Kotlin14 Android Jetpack Compose, Android Architecture, Android Play Release
- Kubernetes16 Kubernetes Debugging, Kubernetes Manifests, Kubernetes Autoscaling
- AWS22 AWS Lambda, AWS CDK, AWS IAM Policies
- Google Cloud10 Google Cloud Run, Google Cloud IAM, Google Cloud Functions
- Microsoft Azure5 Azure Functions, Azure App Service, Azure Bicep
- Cloudflare10 Cloudflare Workers, Cloudflare Pages, Cloudflare D1
- ESP32 and Arduino6 ESP32 Firmware, Arduino Sketches, Firmware OTA Updates
- OpenAI API13 OpenAI Responses API, OpenAI Agents SDK, OpenAI Realtime Voice
Tools and infrastructure 8
- Docker10 Docker Compose for Local Dev, Docker Image Slimming, Docker Networking
- Terraform and IaC11 Terraform Modules, Terraform State, OpenTofu
- GitHub Actions8 GitHub Actions Security, GitHub Actions Workflows, GitHub Actions Automation
- Git15 Git Commit Hygiene, Git History Surgery, Git Bisect
- GraphQL9 GraphQL Schema Design, GraphQL Federation, GraphQL Resolvers
- OpenAPI and REST7 OpenAPI-First, OpenAPI Client Generation, API Design Review
- Playwright8 Playwright E2E, Browser Automation, Flaky Test Triage
- Excel and Spreadsheets10 CSV & Excel Data Ingest, Excel XLSX Spreadsheets, Excel Formulas
Topics 5
- LLM and AI apps33 LLM Evals, LLM Observability, LLM Classification
- Model Context Protocol7 Codex MCP Servers, MCP Server Builder, Codex Plugin Packaging
- PDF16 PDF Processing, PDF Generation, PDF Accessibility
- Accessibility14 WCAG 2.2 Accessibility Audit, Color Contrast Accessibility, Mobile Accessibility
- SEO14 Next.js SEO, Technical SEO Audit, SEO Migrations