MCP Server Tester

A web application for testing MCP (Model Completion Provider) server configurations. This tool allows you to verify connectivity and functionality of MCP servers from marketplaces like Smithery.

Features

Test connectivity with any MCP server
Verify server functionality with sample requests
Support for authenticated servers (API keys)
Quick configuration options for common servers
Clear, user-friendly interface with detailed results
Proper error handling and user feedback

Installation

Clone this repository
Install dependencies:
```
npm install
```
Start the application:
```
npm start
```

Development

To run the application in development mode with automatic reloading:

npm run dev

Usage

Open the application in your browser (default: http://localhost:3000)
Enter the MCP server URL (required)
If the server requires authentication, enter your API key
Click "Test Server" to verify connectivity and functionality
View detailed results showing server response

Example Server

The application includes a pre-configured button for the Sequential Thinking MCP server from Smithery:

https://smithery.ai/server/@smithery-ai/server-sequential-thinking

You can use this as a test case to verify the application is working correctly.

Technologies

Frontend: HTML, CSS, JavaScript
Backend: Node.js, Express
HTTP Client: Axios
CORS Support: Cross-Origin Resource Sharing enabled

License

ISC