# Uniswap Universal Router Decoder

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

- Weekly downloads: 544
- GitHub stars: 277
- Health: active
- Repository: https://github.com/elnaril/uniswap-universal-router-decoder
- Registry names: io.github.Elnaril/uniswap-universal-router-decoder
- Categories: Dev tools & GitHub, Finance & crypto
- Snapshot: 2026-10-29

## Install

```sh
uvx uniswap-universal-router-decoder
```

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

Source: https://mcpmorning.com/mcp/elnaril-uniswap-universal-router-decoder/

## Transport

stdio