Skills
98,284 packaged capabilities and playbooks for agents. Install any of them with one command.
Development
Create or revise Architecture Decision Records by analyzing the codebase to understand current state, affected code paths, constraints from existing patterns, and trade-offs grounded in implementation reality.
CustomShader authoring — vertexShaderText and fragmentShaderText against VertexInput, FragmentInput, FeatureIds, Metadata, czm_modelMaterial. Use when reading EXT_mesh_features or EXT_structural_metadata property textures/tables, vertex displacement, or shading VoxelPrimitive
First-time setup, environment configuration, and model-weight installation for Proteina-Complexa. Reach for this skill whenever the user says "set up complexa", "install complexa", "configure my .env", "first-time setup", "what models do I have installed", "what's in my .env", "download model weights", "download Complexa / AF2 / RF3 / ProteinMPNN / LigandMPNN / ESM2 / ESMFold checkpoints", "preflight my GPU", "verify environment", "complexa init", "complexa download", "complexa download --status", "complexa validate env", or any time a fresh checkout needs to be made runnable. This is the first skill to run on a new clone—it drives `complexa init`, `complexa download`, and `complexa validate env` end-to-end, edits the required `.env` keys, picks the right runtime (UV vs Docker), and emits a replayable setup artifact
Build scalable, maintainable design systems that unify product experiences. Use when creating component libraries, design tokens, or establishing design standards. Covers atomic design, Storybook, theming, and design system governance.
Design ObjectStack data schemas — objects, fields, relationships, validations, indexes, hooks, security, seeds, and datasources. Use when creating or modifying `*.object.ts` files or `src/data/*.ts` seed modules, choosing field types, modeling relationships, writing `beforeInsert`/`afterUpdate` hooks, configuring per-object access control, pointing an object to an existing external database, or authoring bootstrap/demo data. Use for `visibleWhen`/`readonlyWhen`/`requiredWhen` rules that belong on fields. Do not use for querying data (see objectstack-query) or for plugin/kernel hooks (see objectstack-platform). For CEL expressions, load objectstack-formula alongside
Build terminal UIs with ratatui following 2026 Rust best practices. Use when: (1) Creating new TUI apps, (2) Adding widgets/layouts, (3) Keyboard navigation/state management, (4) Image integration via ratatui-image, (5) Async event handling, (6) Release optimization. Covers v0.30.0+ API, Elm Architecture, StatefulWidget, color-eyre.
Web scraping from TypeScript or JavaScript with the Scrapfly SDK (`scrapfly-sdk`). Use when the user asks to scrape a URL, bypass anti-bot protection, render JavaScript, capture screenshots, or extract structured data from Node.js, Deno, or Bun.
Implements Syncfusion® .NET MAUI Cartesian Chart (SfCartesianChart) for data visualization with 20+ chart types including line, area, column, bar, financial, statistical, and stacked charts. Use when implementing cartesian charts, line charts, area charts, or financial charts (candle, OHLC). Covers chart axes, legends, tooltips, trackball, zooming and panning, chart annotations, and trendlines.
Entry point for 9Router—a local/remote AI gateway with OpenAI-compatible REST for chat, image, TTS, embeddings, web search, and web fetch. Use when the user mentions 9Router, NINEROUTER_URL, or wants AI without writing provider boilerplate. This skill covers setup and indexes capability skills; fetch the relevant capability SKILL.md from the URLs below when needed
Integrate Base Builder Codes (ERC-8021) into web3 applications for onchain transaction attribution and referral fee earning. Use when a project needs to append a builder code or dataSuffix to transactions on Base L2, whether using Wagmi, Viem, Privy, ethers.js, or raw window.ethereum. Covers phrases like "add builder codes", "integrate builder codes", "earn referral fees on Base transactions", "append a builder code to my transactions", "transaction attribution", "Builder Code integration", or "attribute transactions to my app". Handles project analysis to detect frameworks, locating transaction call sites, and replacing them with attributed versions.
Use when implementing, debugging, or auditing how any website or web app looks and behaves on iPhone and iPad — in Safari or added to the Home Screen — or added to the Mac Dock from Safari: safe areas, Safari's status bar and address bar tinting, full-screen overlays, theme colour, keyboard, manifest, icons, splash screens, or installed navigation. Not for service workers, offline caching, or push.
Answer questions about ArkEnv and help implement environment variable validation. Use when developers: (1) Ask about environment variable validation or typesafety, (2) Want to setup ArkEnv in a project, (3) Need to define or update schemas using ArkType or Standard Schema, (4) Are integrating with Next.js, Nuxt, Vite, Bun, or Node.js runtimes. Triggers on: 'ArkEnv', 'env validation', 'typesafe env', 'createEnv', 'env.ts', 'arkenv'.
HarmonyOS ArkTS application development with ArkUI declarative UI framework. Use when building HarmonyOS/OpenHarmony apps, creating ArkUI components, implementing state management with decorators (@State, @Prop, @Link), migrating from TypeScript to ArkTS, or working with HarmonyOS-specific APIs (router, http, preferences). Covers component lifecycle, layout patterns, and ArkTS language constraints.
Entry point for MCP server development — interrogates the user about their use case, determines the right deployment model (remote HTTP, MCPB, local stdio), picks a tool-design pattern, and hands off to specialized skills. Triggers when the user asks to "build an MCP server", "create an MCP", "make an MCP integration", "wrap an API for Claude", "expose tools to Claude", "make an MCP app", or discusses building something with the Model Context Protocol.
Use when writing, reviewing, or refactoring TypeScript or React code with a focus on craftsmanship—naming, function and component shape, error handling, data modeling, tests, and abstraction. Translates Robert C. Martin's Clean Code principles into modern TS+React idioms (TS 5.x, React 19), with first-class “When NOT to apply” guidance and a Meta category for principle conflicts (DRY vs. SRP, small functions vs. deep modules, type safety vs. ergonomics). Triggers on code review, refactoring for clarity, naming, function/component design, “is this clean?”, “make this more readable,” “right abstraction?”—even when the user doesn't say “clean code.” Does NOT cover React-specific APIs (RSC, hooks API surface)—use the `react` skill. Does NOT cover TS compiler performance or tsconfig—use the `typescript` skill.
Generate a pedagogically grounded study guide for learning an unfamiliar codebase. Use when the user wants to onboard to a codebase, understand a project’s architecture, create learning materials for a team, or asks things like “help me learn this codebase”, “create an onboarding guide”, “I’m new to this project”, “how does this system work”, “study guide for this repo”, or “explain this codebase to me”. Produces a structured document that builds understanding from purpose to systems to patterns, using evidence-based learning techniques (elaborative interrogation, concept mapping, threshold concepts, worked examples, progressive disclosure).
Domain model maintenance. Triggers: recording decisions, adding terms, splitting contexts, maintaining CONTEXT/ADR. Do not use for feature implementation (cs-feat), external documentation (cs-docs), breaking down large requirements (cs-epic), or requirements clarification and capability docs (cs-req).
PlantUML diagram quality on the agent-uml collaborative canvas — three tiers: rendering safety (syntax that prevents HTTP 400 blank canvas), conversation mechanics (when to push a version vs ask a question, what to write in the message parameter), and design effectiveness (decomposition thresholds, cross-diagram traceability, export readiness). Trigger whenever calling agent-uml MCP tools (design_create, diagram_upsert, design_feedback, design_export) — even when the task seems simple, since a missing `as alias` makes elements un-annotatable and a skinparam mismatch makes diagrams unreadable.
Generate a single-file MCP App widget for an MCP tool, with either bundled runtime code or user-approved public CDN imports. Describe the visual and provide a plain structured payload or a full tool result with content, structuredContent, and meta.
Meta XR Mixed Reality Utility Kit (MRUK) (com.meta.xr.mrutilitykit) for Unity XR development. Use when working with Scene API data (rooms, walls, floors, furniture), spawning prefabs on scene anchors, placing virtual objects in the real world, world locking to prevent anchor drift, raycasting against room geometry, generating NavMesh from scene data, environment depth raycasting for instant placement without scanning, Passthrough Camera Access (PCA), trackable detection (keyboards, QR codes), destructible scene meshes, space maps, room sharing for multiplayer, or any MR scene-aware feature
Use this skill when users need to scope an MVP, define minimum viable features, plan early product development, or determine what to build first. Activates for “what should my MVP include,” “scope my MVP,” “what to build first,” or product scoping questions.
Nuxt Content v3 Git-based CMS for Markdown/MDC content sites. Use for blogs, docs, content-driven apps with type-safe queries, schema validation (Zod/Valibot), full-text search, navigation utilities. Supports Nuxt Studio production editing, Cloudflare D1/Pages deployment, Vercel deployment, SQL storage, MDC components, content collections
Configure and troubleshoot Proxyman HTTPS capture across desktop systems, Apple and Android devices or simulators, browsers, runtimes, containers, frameworks, and HTTP clients, including Atlantis instrumentation for controlled apps.
Set up a Stylus smart contract project with OpenZeppelin Contracts for Stylus on Arbitrum. Use when users need to: (1) install Rust toolchain and WASM target for Stylus, (2) create a new Cargo Stylus project, (3) add OpenZeppelin Stylus dependencies to Cargo.toml, or (4) understand Stylus import conventions and storage patterns for OpenZeppelin.
Convert a MuleSoft Agent Network V1 project (`schemaVersion: 1.0.0`) into a V2 project (`agentNetwork: 2.0.0`). Each V1 broker becomes a V2 broker with one orchestrator node — no graph splitting, no prompt rewriting. Use when the user asks to upgrade, convert, migrate, translate, or port an Agent Network / Agent Broker / Daisy planner from V1 to V2, or whenever the working folder contains a V1 `agent-network.yaml`.
Rules for writing code that coding agents (and humans) can find and understand through plain-text search. Apply whenever writing or renaming code: functions, types, constants, files, error messages, doc comments. Grounded in measurement: agents navigate by plain-text search, not by AST or language server, so every identifier is a search query and every search miss costs wasted reads
Use for Agently request-side setup and contracts: model settings, Prompt/input/output design, effect tuning, missing or redundant context, structured output, LongContent, auto_continue, response reuse, streaming, TTS/STT audio, session memory, embeddings, and retrieval within one request family. Use agently-agentic-design for cross-node data flow and model/Host ownership.
Design Canvas-ready components with slots and decomposition-first patterns. Use when (1) designing a component’s prop/slot structure, (2) a component is growing too large, (3) deciding between props and slots, (4) refactoring monolithic components, (5) modeling repeatable list/grid content, or (6) reusing, composing, or wrapping existing workspace components. Ensures Canvas compatibility.
Creates a new Tambo generative UI app from scratch. Scaffolds with tambo create-app, wires TamboProvider, registers starter components. Triggers on “new Tambo app”, “create a generative UI app”, “build an AI app from scratch”, “start a new project with Tambo”. For existing apps, use building-with-tambo.
Go coding standards and style conventions grounded in Effective Go, Go Code Review Comments, and production-proven idioms. Use when writing or reviewing Go code for import ordering, variable declarations, struct initialization, nesting, receivers, struct tags, or formatting rules. Trigger examples: "check Go style", "fix formatting", "Go conventions", "struct initialization". Not for: naming (go-naming), architecture (go-architecture-review), concurrency (go-concurrency-review), performance tuning (go-performance-review).
New to MCP?
From what the protocol is to installing your first server, these answers cover most first questions.
An open protocol that defines how AI applications connect to external tools and data in a uniform way. Clients talk to the model; MCP servers provide tools, resources and prompt templates. They exchange standard messages, so one server can be reused by many clients.