CoinCap

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What does this server do?

Allows you to query crypto information from coincap's public API - no API keys or registration required

🚀 Quick Start

To get started, 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": {
    "mongodb": {
      "command": "npx",
      "args": ["coincap-mcp"]
    }
  }
}

Installing via Smithery

To install Coincap for Claude Desktop automatically via Smithery:

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

Prerequisites

• Node.js 18+
• npx

Then, launch Claude Desktop and you're ready to go!

Sample Prompts

• What is the price of bitcoin?
• What are the available crypto assets?
• What is the market cap of ethereum?

Tools

Bitcoin Price Tool

Gets price for Bitcoin specifically, it's a simple example of a primitive API call tool

Get Crypto Price Tool

Gets price for any cryptocurrency available on coincap API. It's a good example of how to get mandatory parameter data for your tool calls

List Assets

Gets a list of all crypto assets available in coincap API

Development - local build

To build it locally:

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

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

Development

Install dependencies:

npm install

Build the server:

npm run build

For development with auto-rebuild:

npm run watch

📜 License

This project is licensed under the MIT License - see the LICENSE file for details.