Uniswap Universal Router Decoder MCP Server

What the code does

We read the source, 3 d ago · rules 995398eba69f

Things with no honest explanation: a promise that contradicts the code, code that runs at install time while hiding what it does, data leaving the machine.

    anvil_process = subprocess.Popen(

What this server is able to do. For an MCP server this is often the job itself — a terminal server runs commands because that is what it is for. Listed so you know what you are plugging in, not as an accusation.

    anvil_process = subprocess.Popen(

        shell=True,

Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.

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 uniswap-universal-router-decoder -- uvx uniswap-universal-router-decoder

{
  "mcpServers": {
    "uniswap-universal-router-decoder": {
      "command": "uvx",
      "args": [
        "uniswap-universal-router-decoder"
      ]
    }
  }
}

[mcp_servers.uniswap-universal-router-decoder]
command = "uvx"
args = ["uniswap-universal-router-decoder"]

{
  "mcpServers": {
    "uniswap-universal-router-decoder": {
      "command": "uvx",
      "args": [
        "uniswap-universal-router-decoder"
      ]
    }
  }
}

{
  "servers": {
    "uniswap-universal-router-decoder": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "uniswap-universal-router-decoder"
      ]
    }
  }
}

Optional settings from the registry entry, left out of the block above: RPC_URL (Ethereum RPC endpoint. Optional: only decode_transaction needs it).