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Found 5,485 Skills
Expert guidance on SwiftNIO best practices, patterns, and implementation. Use when developers mention: (1) SwiftNIO, NIO, ByteBuffer, Channel, ChannelPipeline, ChannelHandler, EventLoop, NIOAsyncChannel, or NIOFileSystem, (2) EventLoopFuture, ServerBootstrap, or DatagramBootstrap, (3) TCP/UDP server or client implementation, (4) ByteToMessageDecoder or wire protocol codecs, (5) binary protocol parsing or serialization, (6) blocking the event loop issues.
Analyzes and processes images using Claude's vision capabilities. Supports OCR, image classification, diagram comparison, chart analysis, visual Q&A, and more. Use when users need to understand, extract, or analyze visual content.
Use when working with AI agent protocols, standards, and interoperability specifications. Covers MCP, A2A, ACP, Agent Skills, AGENTS.md, ADL, x402, AP2, MCP Apps, and cagent. USE FOR: agent protocol selection, comparing MCP vs A2A vs ACP, understanding agent standards ecosystem, choosing payment protocols DO NOT USE FOR: specific protocol implementation details (use the sub-skills: mcp, a2a, acp, x402, etc.)
Access Cal.com API via CLI with 1Password API key. Use when user wants to list bookings, create event types, manage schedules, or mentions cal.com access. TRIGGERS - calcom, cal.com, bookings, list bookings, event types, schedules, availability, create booking page.
Execute comprehensive load and stress testing to validate API performance and scalability. Use when validating API performance under load. Trigger with phrases like "load test the API", "stress test API", or "benchmark API performance".
Weave authentication webs with patient precision. Spin the threads, connect the strands, secure the knots, and bind the system. Use when integrating auth, setting up OAuth, or securing routes.
Complete knowledge domain for Cloudflare D1 - serverless SQLite database on Cloudflare's edge network. Use when: creating D1 databases, writing SQL migrations, configuring D1 bindings, querying D1 from Workers, handling SQLite data, building relational data models, or encountering "D1_ERROR", "statement too long", "too many requests queued", migration failures, or query performance issues. Keywords: d1, d1 database, cloudflare d1, wrangler d1, d1 migrations, d1 bindings, sqlite workers, serverless database, edge database, d1 queries, sql cloudflare, prepared statements, batch queries, d1 api, wrangler migrations, D1_ERROR, D1_EXEC_ERROR, statement too long, database bindings, sqlite cloudflare, sql workers api, d1 indexes, query optimization, d1 schema
Consulta cotizaciones de dolar en Argentina usando DolarAPI. Usar cuando el usuario pida "dolar hoy", "dolar blue", "dolar oficial", "dolar bolsa", "MEP", "CCL", "dolar tarjeta", "dolar mayorista", "dolar cripto", o quiera comparar compra/venta y actualizacion de cotizaciones. Tambien usar cuando el usuario pida cotizacion de euro, real brasileno, peso chileno o peso uruguayo con endpoints de /v1/cotizaciones.
Reverse-engineer a product into a mechanically verifiable feature catalog + code map + specs using an RPI-style loop. Triggers: reverse engineer product, catalog full feature set, docs->code mapping, feature inventory, code map, “Ralph loop”, SaaS boundary mapping, security audit reverse engineering, authorized binary analysis.
Authorization and permissions management for Ruby on Rails applications using CanCanCan. Use when: (1) Implementing role-based access control (RBAC), (2) Defining user permissions and abilities, (3) Restricting resource access in controllers, (4) Filtering queries based on user permissions, (5) Hiding/showing UI elements based on authorization, (6) Testing authorization logic, (7) Managing admin vs user vs guest permissions, (8) Implementing attribute-based access control
Plan Plus — Brainstorming-Enhanced PDCA Planning. Combines intent discovery from brainstorming methodology with bkit PDCA's structured planning. Produces higher-quality Plan documents by exploring user intent, comparing alternatives, and applying YAGNI review before document generation. Use proactively when user mentions planning with brainstorming, intent discovery, exploring alternatives, or wants a more thorough planning process. Triggers: plan-plus, plan plus, brainstorming plan, enhanced plan, deep plan, 플랜 플러스, 브레인스토밍, 기획, 의도 탐색, 대안 탐색, プランプラス, ブレインストーミング, 企画, 意図探索, 计划加强, 头脑风暴, 深度规划, 意图探索, plan mejorado, lluvia de ideas, planificación profunda, plan amélioré, remue-méninges, planification approfondie, erweiterter Plan, Brainstorming, vertiefte Planung, piano migliorato, brainstorming, pianificazione approfondita Do NOT use for: simple tasks that don't need planning, code-only changes.
Testing in production with feature flags, canary deployments, synthetic monitoring, and chaos engineering. Use when implementing production observability or progressive delivery.