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MCP Server Testing Application
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MCP Server Testing Application

A Node.js application for testing MCP server connectivity and basic functionality
Developer toolsArtificial intelligence chatbots#Server testing#MCP verification#AI backend#Connectivity check.JavaScript
2 points
5.5K
Open Site

Overview

Content Details

Alternatives

What is MCP Server Testing Application?

This is a user-friendly tool designed to help developers and administrators verify the connectivity and core functions of any MCP-compatible AI backend server. It performs basic health checks and test prompts without requiring technical expertise.

How to use the tester?

Simply enter your MCP server URL and click the test buttons. The application will automatically check connectivity, verify the health endpoint, and send a sample prompt to validate functionality.

When should you use this?

Ideal for: 1) Setting up new MCP servers 2) Troubleshooting connection issues 3) Verifying server responses during development 4) Demonstrating MCP functionality to stakeholders

Key Features

Server Connectivity Test
Verifies basic network connection to your MCP server using HTTP requests
Health Endpoint Validation
Automatically detects and tests the /health endpoint or falls back to HEAD request
Prompt Function Test
Sends a sample prompt to the /run endpoint and displays the complete response structure
Visualized Results
Clearly displays server responses, execution steps, output schema and final answers
Advantages
No installation required on the server side
Simple web interface accessible from any device
Comprehensive validation of all core MCP functions
Immediate visual feedback about server status
Limitations
Only tests basic functionality (not load testing)
Requires network access to the MCP server
Sample prompt may need adjustment for custom implementations

Getting Started

Install the tester
Clone the repository and install dependencies
Start the application
Launch the testing web interface
Access the interface
Open your browser to the local testing page
Enter server details
Input your MCP server's base URL (e.g. http://your-server:8080)

Example Scenarios

Basic Connectivity Test
Verifying a new MCP server installation
Full Function Test
Testing complete pipeline with sample prompt

Frequently Asked Questions

What if my server doesn't have a /health endpoint?
Can I customize the test prompt?
Why am I getting CORS errors?

Additional Resources

MCP Protocol Documentation
Official specification for Modular Computational Prompting
Sample MCP Server Implementation
Reference implementation of an MCP-compatible server
Node.js Installation Guide
For users who need to install Node.js to run this tester

Installation

Copy the following command to your Client for configuration
Note: Your key is sensitive information, do not share it with anyone.

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