OpenAI: skills, plugins and MCP servers

react-best-practices official vercel skill This skill guides agents through performance-focused React and Next.js work. Use it when writing or reviewing components, data fetching, or bundle changes. CX Codex GP ChatGPT 74installs shadcn official Vercel Labs skill This skill guides Codex through adding shadcn/ui components and configuring themes. Use it when building a React interface with Tailwind CSS. CX Codex GP ChatGPT 72installs game-playtest official OpenAI skill Guides agents through browser game playtests and frontend QA. It focuses on boot checks, controls, HUD overlay balance, and visual regression capture. CX Codex GP ChatGPT 62installs signing-entitlements official OpenAI skill Diagnoses macOS code signing, App Sandbox, and Gatekeeper failures. Useful when a binary or app bundle refuses to launch on macOS. CX Codex GP ChatGPT 60installs build-run-debug official OpenAI skill Build, launch, and debug macOS apps through a shell-first Xcode and Swift workflow when startup or runtime failures need investigation. CX Codex GP ChatGPT 60installs appkit-interop official OpenAI skill Builds narrow bridges between macOS SwiftUI and AppKit. Useful when you need NSWindow access, custom panels, responder chain handling, or menu validation. CX Codex GP ChatGPT 60installs web-3d-asset-pipeline official OpenAI skill Guides browser-game 3D assets from Blender cleanup to GLB or glTF preparation. Use it after choosing a runtime stack, when asset quality or size is the remaining issue. CX Codex GP ChatGPT 58installs window-management official OpenAI skill Configures macOS 15+ SwiftUI windows and scenes: toolbar chrome, drag regions, placement, and launch restoration. CX Codex GP ChatGPT 58installs swiftpm-macos official OpenAI skill Builds, runs, and tests SwiftPM macOS packages and executables. Use it when Package.swift is the main entry point and no Xcode project is present. CX Codex GP ChatGPT 58installs swiftui-patterns official OpenAI skill Sets desktop-first macOS SwiftUI architecture, scene models, toolbars, split views, and clean multi-file project layouts. CX Codex GP ChatGPT 57installs packaging-notarization official OpenAI skill This skill checks macOS app archives, signing, and notarization readiness. Use it when preparing a build for distribution or investigating failures that appear only in distributed builds. CX Codex GP ChatGPT 56installs sprite-pipeline official OpenAI skill Creates and normalizes 2D animation strips from an approved frame. Use it when game sprites need consistent scale and alignment before review. CX Codex GP ChatGPT 53installs ios-simulator-browser official OpenAI skill Mirrors an iOS Simulator into the Codex in-app browser and renders SwiftUI previews from Swift packages with hot reload. Useful for testing UI and capturing visual proof without Xcode Canvas. CX Codex GP ChatGPT 53installs web-game-foundations official OpenAI skill Defines browser game architecture before coding begins. Helps choose an engine and decouple simulation from rendering. CX Codex GP ChatGPT 52installs view-refactor official OpenAI skill This skill restructures macOS SwiftUI views and scenes. Use it when a large view needs splitting or AppKit boundaries have grown too broad. CX Codex GP ChatGPT 52installs telemetry official OpenAI skill This skill adds and verifies macOS runtime telemetry with Logger. Use it to trace windows, sidebars, menus, and user actions during debugging. CX Codex GP ChatGPT 52installs test-triage official OpenAI skill Triages macOS test failures across Xcode and SwiftPM. It narrows failing scopes and separates flaky tests or setup issues from actual regressions. CX Codex GP ChatGPT 51installs nextjs official Vercel Labs skill Guidance for building and debugging Next.js App Router projects. Use it to work through routing, Server Components, data fetching, and rendering choices. CX Codex GP ChatGPT 50installs game-studio official OpenAI skill Helps choose a stack and plan a browser game from its core loop through playtesting. Use it when the implementation path is still open. CX Codex GP ChatGPT 50installs phaser-2d-game official OpenAI skill Build 2D browser games with Phaser, TypeScript, and Vite. The skill covers scenes, gameplay systems, cameras, sprite animation, and DOM-based HUD patterns. CX Codex GP ChatGPT 49installs three-webgl-game official OpenAI skill Scaffolds browser 3D games with plain Three.js, TypeScript, and Vite, adding Rapier physics and direct render loop control without React. CX Codex GP ChatGPT 48installs supabase-postgres-best-practices official supabase skill A rule set for Postgres performance, maintained by Supabase. Useful when your agent writes queries, designs schemas or digs into a slow database. CX Codex GP ChatGPT 40installs supabase-postgres-best-practices official supabase skill Supabase guidelines for Postgres performance optimization. Helps developers write SQL queries, design database schemas, and configure RLS. CX Codex GP ChatGPT 40installs react-three-fiber-game official OpenAI skill Structures React-hosted 3D browser games and scenes using React Three Fiber and the pmndrs stack. CX Codex GP ChatGPT 39installs security-scan official OpenAI skill Runs a single-pass security audit on a repository or selected path. Use it for a general review when there is no diff to inspect. CX Codex GP ChatGPT 39installs stripe-best-practices official Stripe skill Integration guide for Stripe in Codex: covers Checkout Sessions, Connect Accounts v2, tax setup, and restricted API keys. CX Codex GP ChatGPT 36installs figma-use official Figma skill This skill sets out how to use the Figma Plugin API through use_figma. It helps when an agent needs to change a Figma file or inspect its structure programmatically. CX Codex GP ChatGPT 36installs stripe-best-practices official OpenAI skill This skill guides Stripe API choices for payments, subscriptions, marketplaces, and financial accounts. Use it when building or reviewing a Stripe integration. CX Codex GP ChatGPT 36installs figma-generate-design official Figma skill Builds or updates composed Figma screens using design system components and styles. Use it to turn application pages or dialogs from code into Figma views. CX Codex GP ChatGPT 33installs figma-generate-library official Figma skill Skill to build a professional design system in Figma from your codebase. Creates variables, components with variants, typography styles and theming in the correct order — from tokens to finished components. CX Codex GP ChatGPT 32installs threat-model official OpenAI skill Builds repository threat models, maps trust boundaries, and outputs threatmodel.md in Codex. CX Codex GP ChatGPT 32installs figma-design-to-code official Figma skill Guides an agent through implementing a Figma node in a project’s existing stack. Use it before calling get_design_context. CX Codex GP ChatGPT 30installs triage-finding official OpenAI skill Triages external security reports against repository code and SECURITY.md policies, assigning static-evidence verdicts without modifying files. CX Codex GP ChatGPT 30installs security-diff-scan official OpenAI skill Reviews pull requests, commits, and local diffs for security vulnerabilities. Catches risks in modified and deleted code before merging. CX Codex GP ChatGPT 30installs chatgpt-app-submission official OpenAI skill Inspects a ChatGPT Apps MCP server and prepares the submission JSON. Use it before review to collect app info, test cases, and findings. CX Codex GP ChatGPT 29installs validation official OpenAI skill This skill checks whether candidate security findings hold up. Use it to validate findings from discovery, not to start a full repository scan. CX Codex GP ChatGPT 29installs deep-security-scan official OpenAI skill This skill runs multiple independent security scans across your entire repository or a scoped path, aggregates findings, and generates a complete report. Use it when standard scanning needs more depth and confidence. CX Codex GP ChatGPT 29installs dashboards-and-real-time-visualization official OpenAI skill Designs dashboards and live data visualization systems. Helps structure streaming data, refresh rates, mobile interruptions, and rendering budgets. CX Codex GP ChatGPT 29installs vercel-sandbox official Vercel Labs skill This skill runs user-generated and AI-generated code inside an ephemeral Vercel Sandbox. Use it for browser automation and code checks that should stay outside the main environment. CX Codex GP ChatGPT 27installs fix-finding official OpenAI skill Resolves confirmed security vulnerabilities through targeted, validated patches. Useful when you need to close an exploit path without breaking existing APIs. CX Codex GP ChatGPT 27installs