MCP with langchain

LangChain MCP Multi-Server Integration — A powerful Model Context Protocol (MCP) system combining LangChain agents with real-time data servers such as Weather, Stocks, Elasticsearch, and MongoDB. Features intelligent tool calling, automated data storage, and secure credential handling for building advanced AI-driven workflows.

Full-stack agentic weather app built with FastAPI, LangChain, and React. Features LLM tool-calling via an MCP Server wrapper around the OpenWeatherMap API.

A minimal reference implementation of an interactive CLI chat agent using the Model Context Protocol (MCP), OpenAI’s Chat models, and built-in conversation memory. Demonstrates MCP server integration, tool calling, and session management using LangChain/LangGraph-compatible agents.