Types
Type checking and type generation
feature-summary
by prulloac
Create comprehensive feature documentation summaries that describe current and future capabilities. Use after feature-breakdown to document what a feature does, its business value, technical implementation, and roadmap. Ideal for creating user-facing documentation and feature catalogs in docs/features/<feature-name>/ format.
zod
by EnderPuentes
Define and use Zod schemas for TypeScript-first validation: primitives, objects, arrays, unions, refinements, transform, z.infer, parse, safeParse. Use when validating input, parsing API data, form validation with react-hook-form, or when the user mentions Zod, schema validation, or z.infer.
review-criteria
by DUTSTECH
Criteria for reviewing Codex worker outputs across 5 dimensions. Use when reviewing code submitted by workers before approval.
arc-framework
by MikolajKopec
"ARC framework knowledge base for building business-model-first applications with CQRS and Event Sourcing. Use when writing code with @arcote.tech/arc, creating commands, events, views, listeners, routes, or working with ArcContext, ArcElement types, React hooks (useQuery, useCommands), Form components, or Bun host server. Use when user mentions ARC framework, arcote, or narzedziadlatworcow."
leanmcp-builder
by Leanmcp-Community
Build MCP servers using the LeanMCP SDK with decorator-based TypeScript. Use this skill when users ask for "leanmcp", "MCP with decorators", "MCP with authentication", "MCP with elicitation", "MCP with environment injection", or want a simpler, more elegant way to build MCP servers. LeanMCP provides automatic schema generation, dependency injection, authentication, and user input collection.
hytopia-plugins
by Abstrucked
Helps create and use plugins in HYTOPIA SDK games. Use when users need to add NPM packages, create reusable modules, or extend game functionality. Covers plugin requirements, installation, and best practices.
ai-sdk
by dinequickly
Build or refactor apps using the Vercel AI SDK (core or RSC). Use when implementing tool calling, returning JSON for UI rendering, mapping tool outputs to React components, or streaming UI with @ai-sdk/rsc in Next.js App Router.
wontak
by WontakKim
Personal coding philosophy and patterns for TypeScript, Kotlin, Swift, and Python development. Use when writing, reviewing, or refactoring code in Wontak's projects. Triggers on tasks involving layered architecture design, Manager/Client patterns, testability-focused design, error handling strategies (graceful degradation vs fail-fast), naming conventions, or project structure decisions. Also use when setting up new projects, configuring build tools, or establishing coding standards.
argparse-patterns
by vanman2024
Standard library Python argparse examples with subparsers, choices, actions, and nested command patterns. Use when building Python CLIs without external dependencies, implementing argument parsing, creating subcommands, or when user mentions argparse, standard library CLI, subparsers, argument validation, or nested commands.
logging-best-practices
by kunhai-88
日志最佳实践，强调宽事件（canonical log lines），便于调试与分析。
mongodb-schema-generator
by ehtbanton
Generate MongoDB/Mongoose schema files with validation, indexes, and virtuals. Triggers on "create mongodb schema", "generate mongoose model", "mongo schema", "mongoose model for".
check-build-errors
by victor-teles
Run compile and type-check commands and report failures
secure-development
by vineethsoma
Security best practices for production applications including PII protection, input validation, SQL injection prevention, XSS mitigation, and secure logging. Apply when handling user data, authentication, or external inputs.
supabase-postgres-best-practices
by AidanGio
Postgres performance optimization and best practices from Supabase. Use this skill when writing, reviewing, or optimizing Postgres queries, schema designs, or database configurations.
umbraco-mcp-content-ops
by NikiSkaarup
Guide Claude to perform Umbraco content operations via MCP tools safely.
mcp-server-development
by bradsjm
Develop, review, and refactor Model Context Protocol (MCP) servers in Python or TypeScript/Node.js. Use when designing MCP tool/resource/prompt contracts, implementing an MCP server (stdio/SSE/Streamable HTTP), tightening JSON Schema inputs, improving error handling, adding security guardrails (secret scrubbing, permissions, destructive confirmations), and creating tests for MCP tools.
opnet-development
by btc-vision
"Build on Bitcoin Layer 1 with OP_NET - Bitcoin L1 consensus layer for trustless smart contracts. Use when building AssemblyScript smart contracts, TypeScript libraries, React frontends, or Node plugins for OPNet. Triggers on Bitcoin smart contract development, OP20 tokens, OP721 NFTs, WebAssembly contracts, verify-dont-custody patterns, epoch mining, and OPNet architecture questions."
react-hooks
by Alicoder001
Custom React hooks patterns including useDebounce, useLocalStorage, useMediaQuery, useClickOutside, and more. Use when creating reusable hook logic or implementing common UI patterns.
anki-connect
by Clearner1
AnkiConnect exposes internal Anki features to external applications via an easy-to-use. Use when working with the AnkiConnect API or when the user needs to interact with this API.
database-specialist
by samChang72
優化資料庫查詢，消除慢查詢，設計高效索引與 Schema。
hashhttpseffectwebsitedocstraithash
by hk-vk
Hash documentation and resources. Use this skill when working with Hash or when the user mentions hash.
vue2-code-style
by levai
Vue 2 项目代码风格与开发规范，包含命名规范、代码组织、注释规范、错误处理等。适用于所有代码编写场景，确保代码一致性、可读性和可维护性。
hyperstack-consume
by usehyperstack
Consume Hyperstack streams using TypeScript, React, or Rust SDKs. Covers connecting to stacks, subscribing to views, handling real-time updates, and using typed entity data. Use when the user wants to read or stream Solana data from deployed Hyperstack stacks.
explore-ai-codebase
by prakx1
Explore and explain any modern AI or agentic codebase with ASCII diagrams. Covers MCP servers, LangGraph agents, CrewAI crews, AutoGen teams, OpenAI Agents SDK, RAG pipelines, A2A protocol, multi-agent systems, and any agentic architecture. Use when the user asks to explain, explore, or understand an AI codebase, agent architecture, or agentic system.