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MCP Demo

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MCP Demo

A simple MCP (Model Context Protocol) server with a web-based configuration interface.

Features

  • MCP server with 5 tools: greet, echo, get_config, update_config, list_items

  • Web-based config UI at http://localhost:3001

  • Persistent configuration storage

Related MCP server: Hello World MCP Server

Quick Start

# Install dependencies
npm install

# Start the web config server
npm run start:config

# In another terminal, start the MCP server (for testing)
npm run start

Configuration

Open http://localhost:3001 in your browser to configure:

  • Enable MCP Server: Toggle MCP functionality

  • Greeting Message: Customize the greet message (use {name} placeholder)

  • Max Results: Limit list_items output

MCP Tools

Tool

Description

greet

Get a personalized greeting

echo

Echo back input text

get_config

View current configuration

update_config

Update configuration via MCP

list_items

List demo items

Usage with OpenClaw

Add to your config:

{
  "mcpServers": {
    "mcp-demo": {
      "command": "node",
      "args": ["/path/to/mcp-demo/src/index.js"]
    }
  }
}

License

MIT

This server cannot be deployed

One endpoint for every MCP toolRayrun runs every MCP server behind one URL and holds the credentials. Each call is decided per client, tool, and argument, then recorded.ray.runAd

Maintenance

ActivityInactive
ResponsivenessNo issues

Resources

Related MCP Connectors

Related MCP Servers

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  • Hello World MCP Server

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    A simple demonstration server for the Model Context Protocol that provides tools for creating and managing greetings with support for multiple transport methods (stdio, HTTP, SSE).
    -

  • Hello World MCP Server

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  • Basic MCP Server

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