Agent Skills Hub

yt-dlp-downloader

Download videos from YouTube, Twitter, Bilibili, and thousands of sites using yt-dlp. Supports audio extraction, subtitle downloading, and format selection.

castella-packaging

Package Castella UI applications into cross-platform executables, macOS app bundles, or installers using ux, PyInstaller, or Nuitka. Includes code signing and notarization support.

with-context-agent

Lints, validates, and auto-fixes AI agent configuration files like SKILL.md, CLAUDE.md, and MCP configs.

vibesafe

Manage Vibesafe units to scan, generate, test, and verify AI-written code with cryptographically-secure hash-locked checkpoints.

openclaw-ghsa-maintainer

Manage GitHub Security Advisory (GHSA) workflows: inspect, patch, validate, and publish security patches for the OpenClaw repository while ensuring fork consistency.

moonbit-refactoring

Refactor MoonBit code for idiomatic style: minimize public APIs, implement methods, leverage pattern matching with views, and enforce high test coverage for maintainable MoonBit projects.

btca-cli

Operate the btca CLI for source-first code research. Manage git, local, and npm resources to ground AI answers in actual codebase context rather than outdated documentation.

gifgrep

CLI/TUI tool to search, preview, and download GIFs from Tenor and Giphy, with integrated frame extraction and sprite sheet generation for developers and content creators.

lsp

Implementation and maintenance guide for the atopile Language Server (LSP), providing IDE features like autocomplete and diagnostics for electronics design.

ui-mockup

Orchestrator for audio plugin WebView UI design, handling iterative mockup generation and production-ready scaffolding for JUCE-based instruments and effects.

feishu-docx-powerwrite

High-quality Feishu/Lark Docx writing via OpenClaw. Convert Markdown into well-formatted Feishu Docx with support for headings, lists, nesting, and code blocks using feishu_docx_write_markdown.

vscode-playwright

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