Browse 6,442 Agentic Skills

Mobile game development principles. Touch input, battery, performance, app stores.

Game development orchestrator. Routes to platform-specific skills based on project needs.

Web browser game development principles. Framework selection, WebGPU, optimization, PWA.

PC and console game development principles. Engine selection, platform features, optimization strategies.

2D game development principles. Sprites, tilemaps, physics, camera.

Multiplayer game development principles. Architecture, networking, synchronization.

Mobile game development principles. Touch input, battery, performance, app stores.

Game audio principles. Sound design, music integration, adaptive audio systems.

Game art principles. Visual style selection, asset pipeline, animation workflow.

Orchestrate Unity Editor via MCP (Model Context Protocol) tools and resources. Use when working with Unity projects through MCP for Unity - creating/modifying GameObjects, editing scripts, managing scenes, running tests, or any Unity Editor automation. Provides best practices, tool schemas, and workflow patterns for effective Unity-MCP integration.

PC and console game development principles. Engine selection, platform features, optimization strategies.

Build the unity-mcp-cli TypeScript CLI tool and link it globally for terminal use.

Review UI code for Web Interface Guidelines compliance. Use when asked to "review my UI", "check accessibility", "audit design", "review UX", or "check my site against best practices".

Guide for implementing smooth, native-feeling animations using React's View Transition API (`<ViewTransition>` component, `addTransitionType`, and CSS view transition pseudo-elements). Use this skill whenever the user wants to add page transitions, animate route changes, create shared element animations, animate enter/exit of components, animate list reorder, implement directional (forward/back) navigation animations, or integrate view transitions in Next.js. Also use when the user men

Use for Vercel cost and performance optimization on deployed projects, especially Next.js, SvelteKit, Nuxt, and limited Astro apps. Collect Vercel metrics, usage, project config, and code scan results first; investigate only metric-backed candidates; produce ranked recommendations grounded in verified files and version-aware Vercel/framework docs. Trigger for Vercel bill reduction, slow or expensive routes, caching opportunities, Function Invocations, Build Minutes, Fast Data Transfer,

Review docs/prose for Writing Guidelines compliance. Use when asked to "review my docs", "check writing style", "audit prose", "review docs voice and tone", or "check this page against the writing handbook".

Use before UI-related work to select the smallest useful UI Skills context through the ui-skills CLI.

Audit an existing product surface against its own design evidence, identify verified UI problems, and write self-contained implementation plans for another agent. Strictly read-only on product source. Use when asked to review, refine, improve, or clean up an interface without replacing its identity; investigate design-system drift; or prepare a design handoff.

Audit and fix HTML metadata including page titles, meta descriptions, canonical URLs, Open Graph tags, Twitter cards, favicons, JSON-LD structured data, and robots directives. Use when adding SEO metadata, fixing social share previews, reviewing Open Graph tags, setting up canonical URLs, or shipping new pages that need correct meta tags.

Create or update a DESIGN.md from an existing product repository or public website. Use when asked to document an interface's design language, reconstruct its visual system, extract design tokens and guidance from current evidence, or give coding agents persistent UI context. Do not modify product source or promote accidental implementation patterns into design decisions.

Replace with description of the skill and when Claude should use it.

Look at the current project's design (its shadcn / Tailwind CSS variables and color tokens) and publish it to the 21st.dev community as a shareable theme, using `21st publish-theme`. Use when the user says "publish my theme", "share our design as a 21st theme", "sync my design to 21st", "turn my globals.css into a theme", "залей наш дизайн темой", "опубликуй тему". This is the 21st equivalent of design-sync: it reads the project's design tokens and syncs them into the public theme libr

Search, install and pull code from the 21st.dev catalog with the `21st` CLI (`@21st-dev/cli`): find React/shadcn components, themes and templates, print a component's code or a theme's CSS, install an item into the project, or generate a new component with 21st AI. Use whenever the user says "search/find a component/theme on 21st", "install our team's Button", "add @user/slug", "pull that component's code", "найди компонент на 21st", "поставь наш компонент", or wants to script catalog

Three.js scene setup: scenes and fog, cameras, the renderer and tone mapping, the animation loop, object hierarchies, transforms, core math and cleanup, on WebGL or with WebGPU and TSL. Use when creating a scene from scratch, configuring a camera or renderer, handling resize, or arranging objects.