CoinCap Cryptocurrency Data MCP Server

Finance & FintechTypeScript

Access real-time cryptocurrency data from the CoinCap API

Available Tools

getBitcoinPrice

Gets the current price of Bitcoin specifically

getCryptoPrice

Gets the current price for any cryptocurrency available on the CoinCap API

listAssets

Gets a list of all cryptocurrency assets available in the CoinCap API

CoinCap Cryptocurrency Data provides seamless access to real-time cryptocurrency information directly through Claude. This integration connects to CoinCap's public API, allowing you to query current prices, market caps, and other essential crypto metrics without requiring API keys or registration. With this tool, you can quickly check Bitcoin and Ethereum prices, explore available crypto assets, and analyze market data through simple natural language requests. It's perfect for crypto enthusiasts, traders, and researchers who need up-to-date cryptocurrency information during their conversations with Claude.

Overview

CoinCap Cryptocurrency Data allows you to access real-time cryptocurrency information from the CoinCap API directly through Claude. You can query current prices, market caps, and explore available crypto assets without needing API keys or registration.

Installation

For Claude Desktop

Add this configuration to your Claude Desktop config file:

MacOS: ~/Library/Application\ Support/Claude/claude_desktop_config.json Windows: %APPDATA%/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "coincap": {
      "command": "npx",
      "args": ["coincap-mcp"]
    }
  }
}

Automated Installation via Smithery

For an easier installation process, you can use Smithery to automatically set up CoinCap for Claude Desktop:

npx -y @smithery/cli install coincap-mcp --client claude

Prerequisites

Node.js 18 or higher
npx (comes with Node.js)

After installation, restart Claude Desktop to activate the integration.

Usage Examples

Once installed, you can interact with cryptocurrency data by asking Claude questions like:

"What is the current price of Bitcoin?"
"Show me the top 10 cryptocurrencies by market cap"
"What's the 24-hour trading volume for Ethereum?"
"How has Dogecoin's price changed in the last day?"
"List all available crypto assets on CoinCap"

The integration will automatically fetch the latest data from the CoinCap API and present it to you in a readable format.

Development

If you want to build the server locally for development:

Clone the repository
Install dependencies: npm install
Build the server: npm run build
For development with auto-rebuild: npm run watch

Then update your Claude Desktop config to point to your local build:

{
  "mcpServers": {
    "coincap-mcp": {
      "command": "/path/to/coincap-mcp/build/index.js"
    }
  }
}