How to connect AI agents to crypto APIs using MCP (Model Context Protocol)

Step-by-Step: Setting Up Purple Flea MCP Servers for Claude Desktop The Model Context Protocol (MCP) lets Claude Desktop call external tools directly. Purple Flea ships four MCP servers that give Claude native access to trading, casino, wallet, and identity APIs — no code required. This tutorial walks through the full setup from zero to a working agent that can trade 275+ markets from a chat interface. Prerequisites Before starting, you'll need: Claude Desktop installed ( download ) Node.js 18+ installed ( node --version to check) A Purple Flea API key from purpleflea.com Verify Node.js is available: node --version # v20.11.0 or higher npx --version # 10.2.0 or higher If you don't have Node.js, install it from nodejs.org or via your package manager: # macOS brew install node # Ubuntu/Debian curl -fsSL https://deb.nodesource.com/setup_20.x | sudo -E bash - sudo apt-get install -y nodejs # Windows (winget) winget install OpenJS.NodeJS.LTS Step 1: Locate the Claude Desktop Config File Cla