What is Realtime Crypto Mcp Server

The realtime-crypto-mcp-server is a real-time cryptocurrency data provider designed for Model Context Protocol (MCP) servers, integrating with the CoinCap API to deliver cryptocurrency exchange details and current rates.

Use cases

Use cases for the realtime-crypto-mcp-server include building cryptocurrency dashboards, integrating real-time data into trading bots, providing market insights for financial applications, and enhancing user experiences in crypto-related services.

How to use

To use the realtime-crypto-mcp-server, add the provided configuration to your MCP Client’s config JSON. Ensure you have Node.js 18+ and npx installed, then install dependencies and build the server using npm commands.

Key features

Key features include detailed cryptocurrency exchange information (volumes, rankings, trading pairs), current cryptocurrency rates in USD, built-in rate limiting and retry mechanisms for API requests, full TypeScript support, and compatibility with MCP server SDK.

Where to use

The realtime-crypto-mcp-server can be used in various fields including financial technology, cryptocurrency trading platforms, market analysis tools, and any application requiring real-time cryptocurrency data.

realtime-crypto-mcp-server

A real-time cryptocurrency data provider for Model Context Protocol (MCP) servers. This package integrates with the CoinCap API to provide cryptocurrency exchange details and current rates.

Features

• Get detailed cryptocurrency exchange information (volumes, rankings, trading pairs)
• Fetch current cryptocurrency rates in USD
• Built-in rate limiting and retry mechanisms for API requests
• Fully typed with TypeScript
• Compatible with MCP server SDK

🚀 Quick Start

To get started, add this configuration to your MCP Client config json:

{
  "mcpServers": {
    "realtime-crypto": {
      "command": "npx",
      "args": [
        "realtime-crypto-mcp-server"
      ]
    }
  }
}

Prerequisites

• Node.js 18+
• npx

Development

Install dependencies:

npm install

Build the server:

npm run build

Crypto Exchange & Rates Toolkit

This package provides tools to retrieve detailed information about cryptocurrency exchanges and current exchange rates for cryptocurrencies using the CoinCap API.

API Reference

getExchangeDetailsTool

Get detailed information about cryptocurrency exchanges.

Input:

• exchange (string): Exchange ID (e.g., binance, coinbase, kraken)

Example Response:
Exchange details for Binance:

Name: Binance
Rank: 1
Volume (USD): $14,789,244,354.70
% of Total Volume: 31.39%
Trading Pairs: 1078
Website: https://www.binance.com/
Last Updated: 4/5/2025, 12:34:56 PM

getRatesTool

Get current exchange rates for cryptocurrencies.

Input:

• currency (string): Cryptocurrency ID (e.g., bitcoin, ethereum, litecoin)

Example Response:
Current rate for bitcoin:

Symbol: BTC ₿
Type: crypto
USD Rate: $82,821.30

🧠 Data Source

This package uses data from the CoinCap API, a free cryptocurrency market data API that provides real-time pricing and market activity for over 1,000 cryptocurrencies.

⏱️ Rate Limiting

The package includes built-in rate limiting and retry mechanisms to handle CoinCap API’s rate limits.

• Maximum 3 retries for rate-limited requests
• Exponential backoff starting at 1 second

📄 License

MIT

👨‍💻 Author

Mohan Kumar

🙏 Acknowledgements

• CoinCap API for providing cryptocurrency market data
• Model Context Protocol for the MCP server framework