io.github.Ooak21/cortex402

Official

Pay-per-call x402 data products on Base mainnet — sanctions, aviation weather, US property.

Access pay-per-call data products on Base blockchain including sanctions and property data.

Install

Configuration

Environment variables

CORTEX402_WALLET_PRIVATE_KEYrequiredsecret

Private key (hex, 0x-prefixed) for an EVM wallet on Base mainnet holding USDC. Used to sign EIP-3009 transferWithAuthorization for each call. Easiest funding: Coinbase Wallet → Buy → USDC on Base network → debit card (~$5 covers ~50 calls).

CORTEX402_BASE_URL

Override the API base URL. Defaults to https://cortex402.vercel.app — only set this for staging or local development.

CORTEX402_MAX_PAYMENT_USDC

Per-call payment ceiling in USDC. Defaults to 5.00 (covers sanctions $0.50, aviation $0.10, property $2.00 with headroom). Raise if calling other x402 endpoints through this server.

claude_desktop_config.json

{
  "mcpServers": {
    "cortex402": {
      "command": "npx",
      "args": [
        "-y",
        "cortex402-mcp@0.2.0"
      ],
      "env": {
        "CORTEX402_WALLET_PRIVATE_KEY": "<YOUR_CORTEX402_WALLET_PRIVATE_KEY>",
        "CORTEX402_BASE_URL": "<YOUR_CORTEX402_BASE_URL>",
        "CORTEX402_MAX_PAYMENT_USDC": "<YOUR_CORTEX402_MAX_PAYMENT_USDC>"
      }
    }
  }
}