Best LLM Agent AI Skills & MCP Servers
6 curated LLM Agent skills and MCP servers — install any of them into Claude, Cursor, ChatGPT, n8n, or any AI stack with one command.
Antigravity Plugin Manager
Antigravity-CLI Plugin. 309 community agent skills aggregated from 13 popular open-source repositories, one-command install.
Vibe Check
Metacognitive AI agent oversight: adaptive CPI interrupts for alignment, reflection and safety
Ntfy
Send, manage, and replay ntfy push notifications via MCP. STDIO or Streamable HTTP.
Obsidian
Model Context Protocol (MCP) server designed for LLMs to interact with Obsidian vaults. Provides secure, token-aware tools for seamless knowledge base management through a standardized interface.
Network Ai
AI agent orchestration framework for TypeScript/Node.js - 29 adapters (LangChain, AutoGen, CrewAI, OpenAI Assistants, LlamaIndex, Semantic Kernel, Haystack, DSPy, Agno, MCP, OpenClaw, A2A, Codex, MiniMax, NemoClaw, APS, Copilot, LangGraph, Anthropic Compu
Agent
Tool-using planning agent over MCP servers, built on the Vercel AI SDK.
About LLM Agent skills on iClaude
iClaude is the universal install layer for AI skills. Every LLM Agent skill on this page can be installed into Claude Code, Claude Desktop, Cursor, ChatGPT, n8n, Codex, and more — using a single copy-paste command. No config drift, no per-stack adapters, no manual MCP wiring.