Best Langchain AI Skills & MCP Servers
8 curated Langchain skills and MCP servers — install any of them into Claude, Cursor, ChatGPT, n8n, or any AI stack with one command.
Xenarch
CLI for Xenarch — non-custodial x402 MCP server for AI agents. Claude, Cursor, LangChain and CrewAI pay HTTP 402–gated APIs with USDC on Base L2.
Tapal
Tapal — universal mail MCP server. Plug into Claude Desktop, Claude Code, Codex, Gemini CLI, Cursor, Windsurf, Zed, Continue.dev, LangChain, CrewAI, AutoGen — and let any AI agent read, search, draft, organize, and triage your email. Apple Mail today; Out
Flowengine N8N Workflow Builder
Build n8n workflows from text using AI. Connect to Claude, Cursor, or any LLM to generate and validate n8n workflows with expert knowledge and intelligent auto-fixing. Built by FlowEngine. Now with real node parameter schemas from n8n packages!
Agent
Non-custodial x402 MCP server for AI agents. Lets Claude, Cursor, LangChain and CrewAI pay for HTTP 402–gated APIs with USDC micropayments on Base L2. Unlike Cloudflare Pay-Per-Crawl, works on any host and settles agent-to-publisher direct.
Adapters
LangChain.js adapters for Model Context Protocol (MCP)
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
Agent middleware for atrib. Interceptor plus framework adapters for MCP attribution. Supports raw SDK, Claude Agent SDK, Cloudflare Agents, Vercel AI SDK, LangChain JS.
Sdk
MoneyGraph cross-border payment SDK — send payouts to 82+ countries via bank, mobile money, SWIFT, SEPA, ACH. Built for AI agents (Claude, ChatGPT, Cursor, Copilot, LangChain, CrewAI, Vercel AI SDK). Powered by StratosPay. Sandbox included.
About Langchain skills on iClaude
iClaude is the universal install layer for AI skills. Every Langchain 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.