Agent Skills Hub

youtube-downloader

Download YouTube videos with customizable quality and format options. Supports video resolutions (360p-1080p), multiple containers (mp4, webm, mkv), and audio-only MP3 extraction.

java

Java development skill for writing clean, maintainable code using SOLID principles, pragmatic abstraction, and self-documenting practices.

performance-security

Optimize React performance, implement security hardening, and ensure WCAG accessibility compliance with automated patterns and checklists.

vibe-run

A deterministic orchestration engine for autonomous coding agents, managing workflow loops, state persistence, and checkpoint-based execution.

digital-brain

A structured personal operating system for managing digital presence, knowledge, relationships, and goals with AI assistance for founders, creators, and professionals.

development

Comprehensive Linux development environment management for compilers, build tools, IDEs, and debugging workflows.

rivetkit-client-react

Official React client for RivetKit. Provides hooks like useActor and createRivetKit to build realtime React applications connected to Rivet Actors.

ultraqa

Autonomous QA cycling workflow that runs test-verify-fix loops until your quality goals are met.

codex-cli

Orchestrate Codex CLI for efficient parallel coding, task automation, and session-managed workflows to optimize token usage and development speed.

game-design

Framework for game design including GDD structure, player psychology, progression pacing, and difficulty balancing strategies.

vscode-playwright

Automated high-quality VS Code screenshot capture using Playwright and serve-web for documentation, slide decks, and visual technical content.

writing-hashql-jexpr

Syntax and construction guide for HashQL J-Expr queries, supporting #literal, #struct, #list, and function call patterns for HashQL files.