Nodeflare

Official

by BabyScope

Blockchain JSON-RPC on 23 EVM chains for AI agents - free tier, API key, or x402 pay-per-call.

Install

Configuration

Environment variables

NODEFLARE_API_KEYsecret

Optional NodeFlare API key (free at nodeflare.app) — unlocks heavy methods and higher limits

X402_PRIVATE_KEYsecret

Optional EVM private key of a wallet holding USDC on Base/Polygon/Arbitrum — heavy methods are paid per call (~$0.001) via x402

Add to VS Code Add to Cursor

claude_desktop_config.json

json

{
  "mcpServers": {
    "nodeflare": {
      "command": "npx",
      "args": [
        "-y",
        "nodeflare-mcp@0.1.1"
      ],
      "env": {
        "NODEFLARE_API_KEY": "<YOUR_NODEFLARE_API_KEY>",
        "X402_PRIVATE_KEY": "<YOUR_X402_PRIVATE_KEY>"
      }
    }
  }
}