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.

mcp-rails

Implement a full Model Context Protocol (MCP) stack in Rails. Connect to external servers, expose your Rails app as an MCP server, or manage subprocess MCP containers via Docker with OAuth 2.1 PKCE support.

image-fetcher

Fetch, download, and batch process web images in various formats (JPG, PNG, WebP, SVG, etc.) for embedding, archiving, or chat integration.

litestream

Expert technical support for the Litestream disaster recovery tool, covering WAL monitoring, LTX replication, cloud storage backends, and SQLite page management.

ragcode-sse

Directly interface with RagCode MCP via SSE protocol without complex configuration files or binary dependencies.

querying-json

Efficiently extract, filter, and transform specific fields from JSON files using jq, saving up to 95% of context window usage compared to reading full files.

gdoc

Reliably read and extract content from publicly shared Google Docs using curl for full document retrieval.

download

Downloads YouTube videos directly to your ~/Downloads folder using yt-dlp. Supports high-quality audio and video extraction.

mcpgraph

Build no-code MCP servers that orchestrate tools as directed graphs using YAML for data transformation, conditional routing, and automated workflows.

pdf-text-replace

Update text within fillable PDF forms programmatically. Efficiently modify names, dates, addresses, and reference numbers in form fields while preserving document structure.

claude-office-pack

Comprehensive office productivity toolkit for AI agents, featuring PDF, Word, Excel, PowerPoint, and internal communication automation capabilities.

content-rewriter

Cross-platform content repurposing agent. Adapts a single source for Xiaohongshu, Zhihu, WeChat Official Accounts, and Douyin scripts with platform-native formatting, tone, and constraints.