weather-hello-agent

josjen/weather-hello-agent

3.1

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This document provides a structured summary of a Model Context Protocol (MCP) server that integrates weather and greeting functionalities with a LangChain agent.

Tools
2
Resources
0
Prompts
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Weather Hello Agent ☀️🤖

A minimal demo of an MCP tool server (weather + greetings) and a LangChain agent that calls those tools.

Features

  • MCP server built with fastmcp
  • Two example tools
    • /get_today_weather → summary string
    • /greet → “Hello ”
  • LangChain agent that auto-discovers and calls the tools

Quick start

git clone https://github.com/<you>/weather-hello-agent.git
cd weather-hello-agent
python -m venv .venv && source .venv/bin/activate
pip install -r requirements.txt
cp .env.example .env      # put your keys here
python -m weatherhello.basic_server &  # run in background
python -m weatherhello.basic_agent     # talk to the agent

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