Arbitrum Transaction Preflight

Connect Runs on your machine

claude mcp add arbitrum-transaction-preflight -e CLIENT_PRIVATE_KEY=<CLIENT_PRIVATE_KEY> -e SERVER_URL=<SERVER_URL> -e CHAIN_ID=<CHAIN_ID> -- npx -y [email protected]

{
  "mcpServers": {
    "arbitrum-transaction-preflight": {
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ],
      "env": {
        "CLIENT_PRIVATE_KEY": "<CLIENT_PRIVATE_KEY>",
        "SERVER_URL": "<SERVER_URL>",
        "CHAIN_ID": "<CHAIN_ID>"
      }
    }
  }
}

{
  "mcpServers": {
    "arbitrum-transaction-preflight": {
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ],
      "env": {
        "CLIENT_PRIVATE_KEY": "<CLIENT_PRIVATE_KEY>",
        "SERVER_URL": "<SERVER_URL>",
        "CHAIN_ID": "<CHAIN_ID>"
      }
    }
  }
}

{
  "servers": {
    "arbitrum-transaction-preflight": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ],
      "env": {
        "CLIENT_PRIVATE_KEY": "<CLIENT_PRIVATE_KEY>",
        "SERVER_URL": "<SERVER_URL>",
        "CHAIN_ID": "<CHAIN_ID>"
      }
    }
  }
}

Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.

Tools

This server runs locally, so its tools are listed by your MCP client once it starts.

Environment variables

Details

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