configuration
This skill should be used when the user asks about "Effect Config", "environment variables", "configuration management", "Config.string", "Config.number", "ConfigProvider", "Config.nested", "Config.withDefault", "Config.redacted", "sensitive values", "config validation", "loading config from JSON", "config schema", or needs to understand how Effect handles application configuration.
concurrency
This skill should be used when the user asks about "Effect concurrency", "fibers", "Fiber", "forking", "Effect.fork", "Effect.forkDaemon", "parallel execution", "Effect.all concurrency", "Deferred", "Queue", "PubSub", "Semaphore", "Latch", "fiber interruption", "Effect.race", "Effect.raceAll", "concurrent effects", or needs to understand how Effect handles parallel and concurrent execution.
pattern-matching
This skill should be used when the user asks about "Effect Match", "pattern matching", "Match.type", "Match.tag", "Match.when", "Schema.is()", "Schema.is with Match", "exhaustive matching", "discriminated unions", "Match.value", "converting switch to Match", "converting if/else to Match", "TaggedClass with Match", or needs to understand how Effect provides type-safe exhaustive pattern matching.
traits
This skill should be used when the user asks about "Effect Equal", "Effect Hash", "Equivalence", "Order", "structural equality", "custom equality", "comparing objects", "sorting", "Equal.equals", "Hash.hash", "Equivalence.make", "Order.lessThan", "comparable types", or needs to understand how Effect handles equality, hashing, and ordering of values.
batching-caching
This skill should be used when the user asks about "Effect batching", "request batching", "Effect caching", "Cache", "Request", "RequestResolver", "Effect.cached", "Effect.cachedWithTTL", "automatic batching", "N+1 problem", "data loader pattern", "deduplication", or needs to understand how Effect optimizes API calls through batching and caching.
requirements
This skill should be used when the user asks about "Effect services", "dependency injection", "Effect.Tag", "Context.Tag", "Layer", "Effect.provide", "Effect.provideService", "service implementation", "managing dependencies", "Layer.succeed", "Layer.effect", "Layer.scoped", "composing layers", "Layer.merge", "Layer.provide", "default services", "layer memoization", "testability", "test layers", "mock services", or needs to understand how Effect handles the Requirements (R) type parameter.
code-style
This skill should be used EVERY TIME you're writing TypeScript with Effect, especially when the user asks about "Effect best practices", "Effect code style", "idiomatic Effect", "functional programming", "no loops", "no for loops", "avoid imperative", "Effect Array", "Effect Record", "Effect Struct", "Effect Tuple", "Effect Predicate", "Schema-first", "Match-first", "when to use Schema", "when to use Match", "branded types", "dual APIs", "Effect guidelines", "do notation", "Effect.gen", "pipe vs method chaining", "Effect naming conventions", "Effect project structure", "data modeling in Effect", or needs to understand idiomatic Effect-TS patterns and conventions.
platform
This skill should be used when the user asks about "@effect/platform", "Effect HTTP client", "Effect HTTP server", "FileSystem", "KeyValueStore", "Terminal", "platform services", "HttpClient", "HttpServer", "Effect file operations", "Effect networking", or needs to understand Effect's platform-agnostic I/O capabilities.
api-doc-lookup
This skill should be used when the user asks to "look up Effect API", "check the Effect docs", "find Effect function signature", "what does Effect.X do", "how to use Effect.X", "Effect API reference", "fetch Effect documentation", or needs to look up specific function signatures, parameters, or usage examples from the official Effect-TS API documentation.
sinks
This skill should be used when the user asks about "Effect Sink", "Sink.collectAll", "Sink.sum", "Sink.fold", "stream consumers", "Sink.forEach", "creating sinks", "sink operations", "sink leftovers", "sink concurrency", "Stream.run with Sink", or needs to understand how Effect Sinks consume stream data.
schema
This skill should be used when the user asks about "Effect Schema", "Schema.Struct", "Schema.decodeUnknown", "data validation", "parsing", "Schema.transform", "Schema filters", "Schema annotations", "JSON Schema", "Schema.Class", "Schema branded types", "encoding", "decoding", "Schema.parseJson", or needs to understand how Effect handles data validation and transformation.
scheduling
This skill should be used when the user asks about "Effect Schedule", "retry schedules", "repetition", "Schedule.exponential", "Schedule.spaced", "Schedule.recurs", "cron scheduling", "backoff strategy", "schedule combinators", "Effect.repeat", "Effect.retry", "polling", or needs to understand how Effect handles scheduled operations and retry policies.
runtime
This skill should be used when the user asks about "Effect Runtime", "ManagedRuntime", "Effect.Tag", "custom runtime", "runtime layers", "running effects", "runtime configuration", "runtime context", "Effect.runPromise", "Effect.runSync", "runtime scope", or needs to understand how Effect's runtime system executes effects.
resources
This skill should be used when the user asks about "Effect resources", "acquireRelease", "Scope", "finalizers", "resource cleanup", "Effect.addFinalizer", "Effect.ensuring", "scoped effects", "resource lifecycle", "bracket pattern", "safe resource handling", "database connections", "file handles", or needs to understand how Effect guarantees resource cleanup.
state
This skill should be used when the user asks about "Effect Ref", "mutable state", "Ref.make", "Ref.get", "Ref.set", "Ref.update", "SubscriptionRef", "SynchronizedRef", "reactive state", "state updates", "concurrent state", "shared mutable state", or needs to understand how Effect handles mutable state in a functional way.
effect-core
This skill should be used ANY TIME you're writing TypeScript with Effect, especially when the user asks about "Effect type", "creating effects", "running effects", "Effect.gen", "Effect.succeed", "Effect.fail", "Effect.sync", "Effect.promise", "Effect.tryPromise", "Effect.runPromise", "Effect.runSync", "pipe", "andThen", "flatMap", "map", "Effect basics", or needs to understand the fundamental Effect<Success, Error, Requirements> type and how to create, compose, and run effects.
effect-ai
This skill should be used when the user asks about "Effect AI", "@effect/ai", "LLM integration", "AI tool use", "AI execution planning", "building AI agents", "AI providers", "structured AI output", "AI completions", "Effect OpenAI", "Effect Anthropic", or needs to understand how Effect integrates with AI/LLM services.
error-management
This skill should be used when the user asks about "Effect errors", "typed errors", "error handling", "Effect.catchAll", "Effect.catchTag", "Effect.mapError", "Effect.orElse", "error accumulation", "defects vs errors", "expected errors", "unexpected errors", "sandboxing", "retrying", "timeout", "Effect.cause", "TaggedError", "Schema.TaggedError", or needs to understand how Effect handles failures in the error channel.
Observability
This skill should be used when the user asks about "Effect logging", "Effect.log", "Effect metrics", "Effect tracing", "spans", "telemetry", "Metric.counter", "Metric.gauge", "Metric.histogram", "OpenTelemetry", "structured logging", "log levels", "Effect.logDebug", "Effect.logInfo", "Effect.logWarning", "Effect.logError", or needs to understand how Effect handles logging, metrics, and distributed tracing.
moonkite-wechat-hongbao
微信红包封面创意设计大师 - 专注于卡通、动漫、游戏CG、商业海报风格的红包封面设计。支持三种创作模式（手动/自动/脑暴），一次性输出多尺寸提示词套装。触发条件: (1) 用户说'设计红包封面'、'红包封面'、'春节红包' (2) 需要微信红包封面设计 (3) 提到 wechat-hongbao
moonkite-maliang
UMPF 结构化提示词生成大师 - 通过多轮深度对话引导用户打磨电影级画面方案。支持 8 种视觉引擎(摄影/印刷/3D/油画/像素/水墨/定格动画/Pantone编辑插画)。触发条件: (1) 用户说'生成提示词'、'画一个...'、'帮我设计画面' (2) 需要 Nano banana 提示词 (3) 用户想要专业艺术指导生成图片 (4) 提到 UMPF 或 moonkite-maliang (5) 指定 style pantone + 主题，直接进入 Pantone 流程
initialization
Use when starting a new session without feature-list.json, setting up project structure, or breaking down requirements into atomic features. Load in INIT state. Detects project type (Python/Node/Django/FastAPI), creates feature-list.json with priorities, initializes .claude/progress/ tracking.
mcp-setup
Use when setting up MCP servers for the first time or verifying MCP configuration. Ensures token-efficient and context-graph MCP servers are properly installed and configured with API keys.
async-programming-skill
This skill provides async/await patterns and best practices for concurrent programming
brand-guidelines
Applies Anthropic's official brand colors and typography to any sort of artifact that may benefit from having Anthropic's look-and-feel. Use it when brand colors or style guidelines, visual formatting, or company design standards apply.
browser-testing
Use when testing web applications, debugging browser console errors, automating form interactions, or verifying UI implementations. Load for localhost testing, authenticated app testing (Gmail, Notion), or recording demo GIFs. Requires Chrome extension 1.0.36+, Claude Code 2.0.73+, paid plan.
claude-md-creator
Use when creating CLAUDE.md files, updating existing CLAUDE.md, validating CLAUDE.md structure, or auto-fixing CLAUDE.md issues. Load for setting up project instructions, global guidelines, local overrides, or modular rules. Handles global (~/.claude/CLAUDE.md), project (.claude/CLAUDE.md), local (CLAUDE.local.md), and rules (.claude/rules/*.md) with smart project detection and template generation.
context-graph
Use when storing decision traces, querying past precedents, or implementing learning loops. Load in COMPLETE state or when needing to learn from history. Covers semantic search with Voyage AI embeddings, ChromaDB for cross-platform vector storage, and pattern extraction from history.
determinism
Use when verifying outcomes with code instead of LLM judgment, versioning prompts with hashes, or ensuring reproducible agent behavior. Load for any critical verification. Scripts return boolean exit codes, not subjective assessments. Prompts use semantic versioning with SHA256 validation.
duotone-identity
Use when designing app pages, typography, spacing, or any UI look and feel for the Identity Platform. Load for creating landing pages, chapter sections, SVG illustrations, or applying the duotone cream/charcoal design system. Keywords: design, ui, styling, theme, colors, layout
enforcement
Use when implementing hooks that BLOCK invalid actions, creating quality gates for state transitions, or enforcing tested:true verification. Load when designing enforcement mechanisms. Uses exit code 2 to block, JSON permissionDecision:deny, or updatedInput modification. Rules are instructions; hooks are enforcement.
full-stack-debugger
This skill should be used when debugging full-stack issues that span UI, backend, and database layers. It provides a systematic workflow to detect errors, analyze root causes, apply fixes iteratively, and verify solutions through automated server restarts and browser-based testing. Ideal for scenarios like failing schedulers, import errors, database issues, or API payload problems where issues originate in backend code but manifest in the UI.
global-hook-setup
Use when setting up global hooks for Claude Code enforcement. Load when ~/.claude/hooks/ is missing or incomplete, or when explicitly requested. Installs 7 project-agnostic hooks (state transitions, git hygiene, outcome tracking). Run once per machine.
implementation
Use when implementing features from feature-list.json, writing code following project patterns, or using MCP tools efficiently. Load in IMPLEMENT state. Covers coding patterns, test writing, health checks, and token-efficient MCP usage (defer_loading for 85% savings).
mcp-builder
Guide for creating high-quality MCP (Model Context Protocol) servers that enable LLMs to interact with external services through well-designed tools. Use when building MCP servers to integrate external APIs or services, whether in Python (FastMCP) or Node/TypeScript (MCP SDK).
orchestrator
Use when managing agent state transitions (START/INIT/IMPLEMENT/TEST/COMPLETE), triggering context compression at 80% capacity, or handling session lifecycle. Load at session start, on state change, or when context exceeds threshold. Core skill for single-orchestrator architecture.
postgresql-skill
This skill provides PostgreSQL-specific patterns for database design, optimization, and transaction management
project-hook-setup
Use when setting up project-specific hooks for Claude Code enforcement. Load during INIT state when .claude/hooks/ is missing, or when creating new project. Installs 5 hooks that read from .claude/config/project.json (tests, health, dependencies).
scroll-storyteller
Use when creating interactive scroll-based storytelling experiences with mouse-following spotlight effects, animated SVG art, and the Anthropic design language. Load for explainer pages, product showcases, visual narratives, or any content needing immersive scroll storytelling with organic shapes and smooth animations. Supports GSAP-powered or lightweight CSS-only animations.
skill-creator
Use when creating a new skill, updating an existing skill, or learning skill best practices. Load for extending Claude's capabilities with specialized workflows, tool integrations, or domain expertise. Covers skill anatomy, progressive disclosure (98% token savings), and the critical description-as-trigger pattern.
terminal-ui-design
Use when creating CLI tools, terminal user interfaces (TUI), or any command-line applications. Load for terminal UI design, ASCII art, color schemes, box drawing characters, and polished terminal output. Also use for refactoring boring CLIs into distinctive experiences.
testing
Use when running tests to validate implementations, collecting test evidence, or debugging failures. Load in TEST state. Covers unit tests (pytest/jest), API tests (curl), browser tests (Claude-in-Chrome), database verification. All results are code-verified, not LLM-judged.
theme-factory
Toolkit for styling artifacts with a theme. These artifacts can be slides, docs, reportings, HTML landing pages, etc. There are 10 pre-set themes with colors/fonts that you can apply to any artifact that has been creating, or can generate a new theme on-the-fly.
token-efficient
Use when processing 50+ items, analyzing CSV/log files, executing code in sandbox, or searching for tools. Load for data processing tasks. Achieves 98%+ token savings via in-sandbox execution, progressive disclosure, and pagination. Supports heredocs for multi-line bash.
tufte-slide-design
This skill applies Edward Tufte's data visualization principles from "The Visual Display of Quantitative Information" to create high-impact slides. Use when designing presentations, creating charts/graphs, reviewing slides for clarity, or transforming data into visual displays. Triggers on phrases like "make a slide", "create presentation", "design chart", "visualize data", "review my slides", or "make this more impactful".
two-agent-harness
This skill sets up a complete two-agent development system based on the "Effective Harnesses for Long-Running Agents" research. It creates initializer-agent (for project planning) and coding-agent (for incremental implementation), along with enforcement hooks and progress tracking infrastructure. Use when users ask to "set up two-agent system", "install agent harness", "configure Opus delegation", or want to implement the two-agent architecture pattern.
applying-brand-guidelines
This skill applies consistent corporate branding and styling to all generated documents including colors, fonts, layouts, and messaging
feishu-logger
日志记录子技能 - 记录文档创建结果到日志文件，支持 Markdown 和 JSON 格式。
feishu-md-parser
Markdown解析子技能 - 将Markdown文件解析为飞书文档块格式，输出JSON文件，支持25种块类型映射，**现在支持图片上传**。
feishu-doc-verifier
文档验证子技能 - 使用 Playwright 验证飞书文档是否创建成功。
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