Design and implement event stores for event-sourced systems. Use when building event sourcing infrastructure, implementing event persistence, projections, snapshotting, or CQRS patterns.
Google Gemini API integration for building AI-powered applications. Use when working with Google's Gemini API, Python SDK (google-genai), TypeScript SDK (@google/genai), multimodal inputs (image, video, audio, PDF), thinking/reasoning features, streaming responses, structured outputs with JSON schemas, multi-turn chat, system instructions, image generation (Nano Banana), video generation (Veo), music generation (Lyria), embeddings, document/PDF processing, or any Gemini API integration task. Triggers on mentions of Gemini, Gemini 3, Gemini 2.5, Google AI, Nano Banana, Veo, Lyria, google-genai, or @google/genai SDK usage.
Patterns for building resilient API clients and real-time connections with retry logic, circuit breakers, and graceful degradation. Use when building production systems that need to handle failures. Triggers on retry logic, circuit breaker, connection resilience, exponential backoff, API client, fault tolerance.
Evaluate Agent Skill quality against official specifications. Use when reviewing SKILL.md files, auditing skill packages, improving skill design, or checking if a skill follows best practices. Provides 8-dimension scoring (120 points) with actionable improvements. Triggers on review skill, evaluate skill, audit skill, improve skill, skill quality, SKILL.md review.
Complete guide to building AI chat applications with Vercel AI SDK. Orchestrates streaming routes, useChat integration, tool architecture, message handling, and UX patterns. Use when building production AI chatbots or assistants. Triggers on build AI chat, create chatbot, AI assistant, Vercel AI SDK app, chat application.
Patterns and practices that dramatically accelerate development velocity. Covers parallel execution, automation, feedback loops, workflow optimization, and anti-pattern avoidance. Use when starting projects, planning sprints, optimizing workflows, or onboarding developers.
Staged test organization and testing guidelines for Mycelia
Meta-skill that orchestrates the full API development lifecycle — from design through documentation — by coordinating specialized skills, agents, and commands into a seamless build workflow.
Build production-ready component libraries with Tailwind CSS using CVA, compound components, design tokens, and theming.
Name | Type | Description | Notes
> 文档更新于2018/12/29，点击查看[更新日志](#更新日志)。
Create persona documentation for a product or codebase. Use when asked to create persona docs, document target users, define user journeys, document onboarding flows, or when starting a new product and needing to define its audience. Persona docs should be the first documentation created for any product.
Naming conventions for types, functions, files, and resources. Use when creating new code or reviewing naming patterns. Emphasizes type-driven development.
Rate limiting algorithms, implementation strategies, HTTP conventions, tiered limits, distributed patterns, and client-side handling. Use when protecting APIs from abuse, implementing usage tiers, or configuring gateway-level throttling.
WHAT: Turborepo monorepo build system - caching, task pipelines, and parallel execution for JS/TS projects. WHEN: User configures turbo.json, creates packages, sets up monorepo, shares code between apps, runs --affected builds, debugs cache misses, or has apps/packages directories. KEYWORDS: turborepo, turbo.json, monorepo, dependsOn, task pipeline, caching, remote cache, --filter, --affected, packages, workspace, pnpm workspace, npm workspace, build optimization
When the user asks about startup metrics, SaaS metrics, unit economics, or business performance tracking. Triggers on: "startup metrics", "SaaS metrics", "CAC and LTV", "unit economics", "burn multiple", "rule of 40", "magic number", "marketplace metrics", "churn rate", "MRR", "ARR", "net revenue retention", "runway", or requests for metrics dashboards and investor reporting.
Curated collection of professional color and typography themes for styling artifacts — slides, docs, reports, landing pages. Use when applying visual themes to presentations, generating themed content, or creating custom brand palettes. Triggers on theme, color palette, font pairing, slide styling, presentation theme, brand colors.
PROACTIVE YAML INTELLIGENCE: Automatically activates when working with YAML files, configuration management, CI/CD pipelines, Kubernetes manifests, Docker Compose, or any YAML-based workflows. Provides intelligent validation, schema inference, linting, format conversion (JSON/TOML/XML), and structural transformations with deep understanding of YAML specifications and common anti-patterns.
Minimize total codebase size through ruthless simplification. Measure success by final code amount, not effort. Bias toward deletion.
Docker containerization expert with deep knowledge of multi-stage builds, image optimization, container security, Docker Compose orchestration, and production deployment patterns. Use PROACTIVELY for Dockerfile optimization, container issues, image size problems, security hardening, networking, and orchestration challenges.