FastMCP Intro Article
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FastMCP Introduction Article
This repository contains examples demonstrating how to use FastMCP (Model Context Protocol) for creating MCP servers and clients. The project includes both simple and composition examples to showcase different use cases.
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What is FastMCP?
FastMCP is a Python library that simplifies the creation of MCP (Model Context Protocol) servers and clients. MCP allows AI models to interact with external tools and data sources through a standardized protocol.
Project Structure
FastMCP-Intro-Article/
βββ client.py # Simple client example
βββ server.py # Simple server example
βββ client_composition.py # Composition client example
βββ server_composition.py # Composition server example
βββ requirements.txt # Python dependencies
βββ README.md # This file
Examples
1. Simple Example
Server (server.py)
- Creates a basic MCP server with a single
greettool - The tool takes a name parameter and returns a greeting message
Client (client.py)
- Connects to the server and calls the
greettool - Demonstrates basic client-server communication
2. Composition Example
Server (server_composition.py)
- Implements a pricing system with three tools:
get_product: Retrieves product informationapply_discount: Calculates discounted pricesformat_message: Formats the final output message
Client (client_composition.py)
- Demonstrates tool composition by chaining multiple tool calls
- Shows how to use the output of one tool as input for another
Installation
- Clone this repository:
git clone <repository-url>
cd FastMCP-Intro-Article
- Install dependencies:
pip install -r requirements.txt
Usage
Running the Simple Example
- Start the server in one terminal:
python server.py
- Run the client in another terminal:
python client.py
Expected output:
Hello, Ford!
Running the Composition Example
- Start the composition server in one terminal:
python server_composition.py
- Run the composition client in another terminal:
python client_composition.py
Expected output:
The product 'Headphones' is available for $102.0.
Key Features Demonstrated
- Simple Tool Creation: How to create basic MCP tools with FastMCP
- Client-Server Communication: How clients connect to and interact with MCP servers
- Tool Composition: How to chain multiple tool calls together
- Async/Await Pattern: Proper handling of asynchronous operations
- Type Safety: Using type hints for better code clarity
Dependencies
fastmcp: The main FastMCP library for creating MCP servers and clients
Learning Resources
Contributing
Feel free to submit issues and enhancement requests!
License
This project is open source and available under the MIT License.
