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Uniswap Universal Router Decoder

Decode and encode Uniswap Universal Router calldata (V2, V3, V4). Read-only: never signs or sends.

Python
★ 277 stars Last pushed 2026-10-29 License: MIT

Connect

Review any command before running it. Package names and URLs come from the server's own registry entry.

Package (pypi 4.0.0)

uvx uniswap-universal-router-decoder

Or add to your MCP client config:

{
  "mcpServers": {
    "uniswap-universal-router-decoder": {
      "command": "uvx",
      "args": [
        "uniswap-universal-router-decoder"
      ],
      "env": {
        "RPC_URL": "<YOUR_VALUE>"
      }
    }
  }
}
  • RPC_URL — Ethereum RPC endpoint. Optional: only decode_transaction needs it.

This server takes extra arguments — see its repository.

Related servers

Data from the Official MCP Registry