MCP Playground
About
A playground for MCP implementations featuring multiple microservices, including news and weather examples.
Details
- Author
- ronfelsenfeld
- Categories
- Developer Tools, Other
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Setup
Install MCP Playground in your MCP client (Claude Desktop, Cursor, Windsurf, and others).
Repository: https://github.com/ronfelsenfeld/mcp-playground
Follow the installation instructions in the repository README, then restart your MCP client.
- Description
- Requirements
- Technologies and Tools
- Local Installation Instructions
- Available Make Commands
- Connecting with Claude Desktop
This project is a playground for MCP (Model Context Provider) implementations, featuring multiple microservices including a News MCP and Weather MCP. The services are implemented using MCP with stdio transport, providing a simple and efficient way to expose functionality through standard input/output streams.
- Python 3.12
- uvpackage manager
- Virtual environment support
- mcp[cli]: Model Context Provider for service communication
- httpx: Modern HTTP client for Python
- python-dotenv: Environment variable management
git clone https://github.com/RonFelsenfeld/mcp-playground.git cd mcp-playground
- Set up the virtual environment and install dependencies:
- make setup: Creates a new virtual environment
- make activate: Shows activation command for the virtual environment
- make sync: Syncs project dependencies
- make freeze-dependencies: Freezes current dependencies to requirements.txt
- make clean: Removes virtual environment and lock files
This project can be connected to Claude Desktop to test and interact with the MCP services using Anthropic's Model Context Protocol (MCP).
Open Claude, go to Settings -> Developer
Open "claude_desktop_config.json" file
Copy-paste the following JSON inside the file:
{ "mcpServers": { "weather": { "command": "<ABSOLUTE_PATH_TO_UV>", "args": [ "--directory", "<YOUR_PROJECT_PATH>", "run", "-m", "src.weather_mcp.main" ] }, "news": { "command": "<ABSOLUTE_PATH_TO_UV>", "args": [ "--directory", "<YOUR_PROJECT_PATH>", "run", "-m", "src.news_mcp.main" ], "env": { "NEWS_API_KEY": "<YOUR_NEWS_API_KEY>" } } } }
- <ABSOLUTE_PATH_TO_UV>with the absolute path to youruvexecutable (from thewhich uvcommand)
- <YOUR_PROJECT_PATH>with the absolute path to your project directory
For the News MCP service, you'll need a News API key fromnewsdata.io. You can get a free API key by:
- Creating an account at newsdata.io
- Going to your dashboard
- Generating a new API key
After generating you API key, replace<YOUR_NEWS_API_KEY>with it.
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