agent-harness-reviewReviews an agent harness or agent design against Anthropic's agent and model prompting guidance (Opus 5.5, Fable 5.2), Cognition's context principles and 2026 research on skill routing and skill-induced failures. Covers when subagents or parallel agents pay off, how to brief them, how many skills, p
ai-appBuilds full-stack Next.js AI applications with the AI SDK and the shadcn/ui AI Elements patterns. Use when creating a chatbot, agent dashboard or custom AI application.
ai-elementsMaintains AI chat UI built from elements.ai-sdk.dev AI Elements components already copied into the project. Use when changing or debugging those components (conversations, messages, prompt inputs, attachments, reasoning, tool output, sources). New chat UI uses the shadcn/ui AI Elements patterns (`sh
ai-sdk-6Vercel AI SDK v6 development, for projects already on ai@6. Use when building or maintaining AI agents, chatbots, tool integrations, streaming apps, or structured output in a v6 codebase. New projects and ai@7 code use ai-sdk-7; an unknown version goes through ai-sdk. Covers ToolLoopAgent, useChat,
ai-sdk-7Vercel AI SDK v7 development and migration. Use when building or upgrading AI SDK 7 apps, especially ToolLoopAgent, WorkflowAgent, HarnessAgent, Claude Code/Codex/Pi harnesses, runtimeContext, toolsContext, toolApproval, telemetry, reasoning, file or skill uploads, realtime, video generation, or v6-
ai-sdkAnswer questions about the AI SDK and help build AI-powered features. Use when developers ask about Vercel AI SDK, generateText, streamText, ToolLoopAgent, useChat, providers, tools, structured output, embeddings, streaming, or adding AI to an app. First identify the installed major version and rout
cache-componentsExpert guidance for Next.js Cache Components and Partial Prerendering (PPR). Use when implementing 'use cache' directive, configuring cache lifetimes with cacheLife(), tagging cached data with cacheTag(), invalidating caches with updateTag()/revalidateTag(), optimizing static vs dynamic content boun
chrome-devtoolsTests in real browsers via Chrome DevTools MCP. Use when debugging live browser behavior — inspect the DOM, capture console errors, analyze network requests, profile performance (LCP/CLS/INP), or verify visual output with real runtime data. Complements Playwright — use this for live debugging and pe
frontend-designGuidance for distinctive, intentional visual design when building new UI or reshaping an existing one. Helps with aesthetic direction, typography, and making choices that don't read as templated defaults.
goOpens the running app in a browser and verifies that recent UI changes actually work. Use for a quick browser smoke test of recent web work — "go", "test in browser", "check in browser", "make sure it works", "verify it works", "did it work", "works on mobile" — including when the user appends "...a
handoffWrite or update a HANDOFF.md so a fresh agent can continue this work. Use when the user says "handoff", "compact this", "context is full", or "/clear and continue".
hetzner-cloudManage Hetzner Cloud infrastructure with the `hcloud` CLI — servers, networks, firewalls, load balancers, volumes, DNS zones, SSH keys, primary/floating IPs, snapshots, certificates, placement groups, storage boxes. Use whenever the user mentions Hetzner, hcloud, VPS provisioning, or Hetzner locatio
iconsSources icons, country flags, file-type marks and brand logos that fit the app's existing visual language. Use when adding an icon, finding an official logo, building a language switcher, or the project's icon library has no match. Covers Iconify and svgl; use frontend-design for overall visual dire
next-best-practicesNext.js App Router best practices covering file conventions, RSC boundaries, async APIs, data patterns, hydration errors, metadata, route handlers, image/font optimization, and bundling. Use when writing or reviewing Next.js code to prevent hydration errors, RSC violations, data waterfalls, and conf
nextjs-chatbotProduction Next.js web-chat integration: tool approval, persisted conversations, tool result UI, grounded retrieval, follow-up suggestions and embedded widgets. Use when building or debugging a web chatbot that needs these features. Use nextjs-shadcn for scaffolding and ai-sdk for general SDK APIs;
nextjs-seoNext.js App Router SEO implementation and audits. Use for metadata and social images, sitemap/robots, canonicals and localization, structured data, Core Web Vitals evidence, AI crawler policy or search-indexing diagnosis. Not for general Next.js feature work unrelated to SEO.
nextjs-shadcnBuilds distinctive Next.js interfaces with shadcn/ui, choosing typography, styling and purposeful visual effects for the product. Use when creating or polishing a Next.js + shadcn app, page or component, including themes, presets, backgrounds and design-system lint. Uses frontend-design for substant
openai-agents-sdkOpenAI Agents SDK (Python) development. Use when building AI agents, multi-agent handoffs, function tools, guardrails, sessions, streaming, or tracing with the `openai-agents` / `agents` Python package — including Azure OpenAI through its native client or LiteLLM. Triggers on imports from `agents`,
postgres-semantic-searchBuilds and tunes PostgreSQL retrieval with pgvector, full-text search, pg_trgm, hybrid fusion, ParadeDB BM25 and reranking. Use for search/RAG implementation, weak results, filtered ANN scans, non-English corpora or retrieval evaluation. For general schema, RLS and query tuning unrelated to retrieva
react-best-practicesReact and Next.js performance optimization guide from Vercel Engineering (70 rules in 8 categories). Use when writing, reviewing, or refactoring React/Next.js code to eliminate waterfalls, reduce bundle size, prevent re-renders, optimize Server Components, or fix performance bottlenecks. Triggers on
shadcnManages shadcn components and projects — adding, searching, fixing, debugging, styling, and composing UI, including chat interfaces. Provides project context, component docs, and usage examples. Applies when working with shadcn/ui, component registries, presets, --preset codes, or any project with a
supabase-postgres-best-practicesPostgres best practices maintained by Supabase, for Postgres running anywhere. Load this skill BEFORE writing or changing anything that lives in a Postgres database: creating or altering tables and columns (including choosing column types), schema design, migrations and declarative schema files, RLS
vercel-react-view-transitionsGuide for implementing smooth, native-feeling animations using React's View Transition API (the `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 anim
web-design-guidelinesReview 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".