Cortex402 MCP Server

Connect this server

This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.

claude mcp add cortex402 -e 'CORTEX402_WALLET_PRIVATE_KEY=<CORTEX402_WALLET_PRIVATE_KEY>' -- npx -y cortex402-mcp

{
  "mcpServers": {
    "cortex402": {
      "command": "npx",
      "args": [
        "-y",
        "cortex402-mcp"
      ],
      "env": {
        "CORTEX402_WALLET_PRIVATE_KEY": "<CORTEX402_WALLET_PRIVATE_KEY>"
      }
    }
  }
}

[mcp_servers.cortex402]
command = "npx"
args = ["-y", "cortex402-mcp"]
env = { CORTEX402_WALLET_PRIVATE_KEY = "<CORTEX402_WALLET_PRIVATE_KEY>" }

{
  "mcpServers": {
    "cortex402": {
      "command": "npx",
      "args": [
        "-y",
        "cortex402-mcp"
      ],
      "env": {
        "CORTEX402_WALLET_PRIVATE_KEY": "<CORTEX402_WALLET_PRIVATE_KEY>"
      }
    }
  }
}

{
  "servers": {
    "cortex402": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "cortex402-mcp"
      ],
      "env": {
        "CORTEX402_WALLET_PRIVATE_KEY": "<CORTEX402_WALLET_PRIVATE_KEY>"
      }
    }
  }
}

Put your own value in place of <CORTEX402_WALLET_PRIVATE_KEY> (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)). The author’s registry entry marks it as required.

Optional settings from the registry entry, left out of the block above: 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).