Comprehensive PostgreSQL database engineering skill covering configuration tuning (postgresql.conf, memory, WAL, autovacuum), query optimization (EXPLAIN analysis, index design, rewriting...

AI-powered crypto trading agent via natural language. Use when the user wants to trade crypto (buy/sell/swap tokens), check portfolio balances, view token prices, transfer crypto, manage NFTs, use...

Expert in creating custom slash commands for Claude Code. Slash commands encode repeatable workflows as markdown files, turning complex multi-step processes into simple one-line invocations....

Set up Match for iOS code signing certificate management

Implement signal-based reactive state management in Angular v20+. Use for creating reactive state with signal(), derived state with computed(), dependent state with linkedSignal(), and side...

Validates permission inheritance between parent and child agents. Ensures child permissions are equal to or more restrictive than parent. Activate on 'validate permissions', 'permission check',...

Manages Git operations including branching strategies, commit conventions, merge workflows, conflict resolution, and worktree management. Trigger keywords: git, branch, commit, merge, rebase, pull...

Generate Zod-based environment variable management code from .env.example files. Use when you need to create type-safe env management, standardize env handling, or generate env schemas.

Model Context Protocol (MCP) server development and tool management. Languages: Python, TypeScript. Capabilities: build MCP servers, integrate external APIs, discover/execute MCP tools, manage...

Git is deceptively simple to learn and incredibly hard to master. The difference between a team that ships and a team that fights merge conflicts all day comes down to workflow discipline. Your...

Work with GitHub using the gh CLI. Use when creating/managing pull requests, reviewing code, managing issues, viewing GitHub Actions runs, creating releases, or making API requests. Triggers on...

Provides comprehensive IBM Cloud platform guidance including compute services (VPC, Virtual Servers, IKS, OpenShift, Code Engine, Cloud Functions), storage (Object Storage, Block Storage, File...

Manage Val Town projects using the vt CLI. Use when working with Vals (Val Town serverless functions), syncing code to Val Town, creating HTTP endpoints, streaming logs, or managing Val Town...

Zustand state management patterns optimized for games including persistence, undo/redo, time-travel debugging, subscriptions, and performance optimization. Use when designing game state...

Expert in authentic Windows 3.1 aesthetic for modern web applications. Creates pixel-perfect retro UI with beveled borders, system gray palettes, and program manager styling. Activate on 'windows...

Context management in GPUI including App, Window, and AsyncApp. Use when working with contexts, entity updates, or window operations. Different context types provide different capabilities for UI...

Comprehensive guide for using Claude Agent SDK to build AI agents that can read files, execute commands, edit code, and perform complex workflows. Use when (1) Building autonomous AI agents with...

AWS S3 object storage for bucket management, object operations, and access control. Use when creating buckets, uploading files, configuring lifecycle policies, setting up static websites, managing...

Shopify platform development. Stack: Shopify CLI, GraphQL/REST APIs, Polaris UI, Liquid templating. Capabilities: app development (OAuth), checkout UI extensions, admin UI extensions, POS...

AI-powered calendar and task management.