MCP, CLI, Skills for searching and downloading academic papers from multiple sources like arXiv, PubMed, bioRxiv, etc.

Self-hosted URL- and file-to-Markdown service for humans and AI agents - web pages, documents, images, audio, YouTube. PWA + REST + MCP + Claude Code skill, Reddit-aware, refreshable share links.

八字、紫微、星盘、六爻、梅花、奇门、大六壬、小六壬、塔罗、雷诺曼、灵签、择日一站式玄学算命占卜工具包，输出结构化提示词与数据。提供公开 API、MCP Server 与 skill。

The canonical 12ui CLI, SDK, MCP server, and visual interface design skills

Agentic intelligence framework for Claude Code and Antigravity: slash commands, subagents, skills, hooks, governance, memory, and cost-aware model routing for AI-driven development.

Microi吾码 AI 开发 CLI 与多宿主 Plugin：服务器连接、Skills、MCP、V8 同步和低代码交付

The official CLI for MCPCloud — manage projects, servers, skills, and API keys from the terminal

Arkon: Enterprise AI Knowledge Hub & MCP Server. Self-hosted knowledge base for teams to manage RAG contexts, access policies, and AI skills. Connect Claude and other LLMs via Model Context Protocol (MCP) for automated, secure organizational knowledge integration.

Agent communication platform for agent to agent messaging via MCP. Messages, channels, skills.