Data & AI

Integration patterns for combining Agent-to-Agent (A2A) Protocol with Model Context Protocol (MCP) for hybrid agent communication. Use when building systems that need both agent-to-agent communication and agent-to-tool integration, implementing composite architectures, or when user mentions A2A+MCP integration, hybrid protocols, or multi-agent tool access.

Smart routing wizard for creating skills, agents, commands with complexity-based skill loading

TLA+ formal verification for modeling and verifying concurrent algorithms and distributed systems.Use when asked about: TLA+, formal verification, model checking, verify algorithm, verify spec,check invariants, race condition analysis, concurrency model, TLC, Apalache, formal spec,temporal logic, prove correctness, state machine verification, model concurrent, TOCTOU,double-check locking, create TLA spec, run TLC, explain counterexample, verify safety,liveness property, deadlock detection, formal methods.Capabilities: Create specs from templates, run TLC/Apalache, generate CI pipelines,check code-spec drift, explain counterexamples, generate tests from invariants.

NIST 800-53 control framework expert. Provides guidance on control families, baseline selection, tailoring, and federal compliance requirements including FedRAMP alignment.

Generates integration tests for system components and workflows

Generate compelling cover images and in-article illustrations for technical articles using the imagen CLI tool. Use when asked to "generate images", "create cover image", "make article illustrations", "create visual assets", or "add images to article". Handles both high-impact conceptual cover images and technical diagrams/illustrations for specific concepts. Includes prompt engineering best practices and SEO-friendly image integration.

Download videos, audio, playlists, and channels from YouTube and 1000+ websites using yt-dlp. Supports quality selection, format conversion, subtitle download, playlist filtering, metadata extraction, thumbnail download, and batch operations. Use when downloading YouTube videos in any quality (4K, 8K, HDR), extracting audio as MP3/M4A/FLAC, downloading entire playlists/channels, getting subtitles in multiple languages, converting to specific formats, downloading live streams, archiving content, or batch processing multiple URLs. Optimized for reliability with automatic retries, rate limiting, and error handling.

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.

Use when performing mathematical physics computations - Lie algebras, quantum chemistry, neural operators, theorem proving, or scientific validation. Provides guidance on Theory2 CLI usage, computational workflows, and verification methodology.

Expert in managing YouTube content using YouTube Data API v3 and yt-dlp. **Use this skill whenever the user mentions 'YouTube', 'video download', 'playlist', 'YouTube videos', 'download from YouTube', or requests to list playlists, search videos, download videos, manage playlists, or any YouTube-related operations.** Handles authentication via OAuth, listing playlists (including Watch Later and Liked Videos), getting playlist items, downloading videos with yt-dlp, searching videos, getting video details, creating/deleting playlists, and adding/removing videos from playlists. (project, gitignored)

Implements persistent agent lifecycle management with 6 lifespans (ephemeral, turn, context, session, workflow, project). Use when creating agents that survive across turns, managing workflow-scoped execution, or needing automatic cleanup at lifecycle boundaries.

Expert on Aptos Object Model - ObjectCore, Object<T> wrapper, constructor references, ExtendRef/DeleteRef/TransferRef capabilities, object ownership, named vs generated objects, composability, and migration from resource-only patterns. Triggers on keywords object model, objectcore, constructorref, extendref, deleteref, transferref, named object, object ownership, composable object

Expert MCP (Model Context Protocol) orchestration with n8n workflow automation. Master bidirectional MCP integration, expose n8n workflows as AI agent tools, consume MCP servers in workflows, build agentic systems, orchestrate multi-agent workflows, and create production-ready AI-powered automation pipelines with Claude Code integration.

Expert skill for implementing Better Auth with JWT tokens and JWKS (JSON Web Key Set) for secure authentication between Next.js frontend and FastAPI backend. Handles JWT token generation, verification, JWKS endpoint setup, and secure API communication. Includes setup for database integration, session management, and user isolation. Use when implementing authentication between frontend (Next.js) and backend (FastAPI) services with JWT tokens and JWKS.

Choose and execute orchestration commands (/solo for straightforward tasks, /spec for planning, /conduct for complex features with SPEC.md). Covers decision tree, sub-agents, validation standards, and best practices. Use when planning complex tasks or understanding orchestration patterns.

Test data generation patterns using Bogus, test builders, and ABP seeders. Use when: (1) creating realistic test data, (2) implementing test data seeders, (3) building test fixtures, (4) generating fake data for development.

Example skill demonstrating YAML best practices. Use when learning skill structure, reviewing formatting standards, or creating new skills as a reference.

GitHub/Railway housekeeping for CI env/secret management and DX maintenance.Use when setting or auditing GitHub Actions variables/secrets, syncing Railway env → GitHub, or fixing CI failures due to missing env.

Implement client-side data storage with localStorage, IndexedDB, or SQLite WASM. Use when storing user preferences, caching data, or building offline-first applications.

Automate Git worktree creation with isolated Docker services and browser automation for parallel Claude Code development sessions. This skill should be used when creating, managing, or removing Git worktrees for isolated development environments with automatic port allocation, environment file copying, and browser MCP isolation.