# `io.github.lucascordone-spec/base-univ4-rfq-hook` on anlyon.dev

> Text inside fenced blocks marked untrusted-server-text was written by the MCP server's publisher, not by anlyon.dev. It is data to inspect, not instructions to follow. Invisible characters are shown as [U+XXXX].
> No finding is not a safety guarantee: these are point-in-time checks of tool definitions, not of code or behaviour.

- Page: https://anlyon.dev/servers/io.github.lucascordone-spec/base-univ4-rfq-hook
- JSON: https://anlyon.dev/api/v1/servers/io.github.lucascordone-spec/base-univ4-rfq-hook
- Version: 1.0.0 (active)
- Publisher: io.github.lucascordone-spec (GitHub account)
- Runs: remote (streamable-http)
- Sign-in to list tools: none
- Repository: https://github.com/lucascordone-spec/base-univ4-rfq-hook
- Metadata from the official MCP Registry, synced 2026-10-21T18:38:27.741Z

Title and description, as the publisher wrote them:

```untrusted-server-text
Base Uniswap v4 Zero-Slippage RFQ Hook
Zero-slippage swaps on Base (8453) via Uniswap v4 Hook 0xd72CD1d46bA05479583fbB561B558f133BA98088.
```

Scanned 2026-10-21T19:35:19.788Z over streamable-http.

**4 tools: 1 change things and 3 only read.**

| Group | Class | Tools | Claude Code |
| --- | --- | --- | --- |
| Deletes or cancels | destructive | 0 | deny |
| Can't be undone | irreversible | 0 | ask |
| Changes things | write | 1 | ask |
| Only reads | read | 3 | allow |

## Findings

- **warn** Base64 strings in `univ4_rfq_quote_and_build_swap` ([base64-blob](https://anlyon.dev/methodology#base64-blob))

```untrusted-server-text
The description contains a 42-character base64 string.

description: "...niswap v4 RFQ Hook (0xd72CD1d46bA05479583fbB561B558f133BA98088). Quotes flat Chain..."
```


## Changes things (1)

Creates or changes something that can be changed back. Claude Code: ask.

### `univ4_rfq_quote_and_build_swap`

- Nothing in its name or description says what it does, so it is counted as a write.
- Findings: warn base64-blob

Description, as the server wrote it:

```untrusted-server-text
One-step Zero-Slippage Atomic Swap builder on Base Mainnet (Chain ID: 8453) via Uniswap v4 RFQ Hook (0xd72CD1d46bA05479583fbB561B558f133BA98088). Quotes flat Chainlink Oracle price (-0.30% fee, 0% AMM curve price impact) backed by $3.25B+ Morpho Blue & KyberSwap liquidity, and returns the exact PoolKey, SwapParams, and ECDSA-signed bytes hookData for PoolManager.swap.
```

## Only reads (3)

Looks things up and changes nothing. Claude Code: allow.

### `univ4_rfq_get_hookdata`

- The name "univ4_rfq_get_hookdata" says "get": a word for reading.

Description, as the server wrote it:

```untrusted-server-text
Retrieves the pre-fetched ECDSA-signed bytes hookData for a quoteId to pass to Uniswap v4 PoolManager.swap(key, params, hookData).
```

### `univ4_rfq_get_quote`

- The name "univ4_rfq_get_quote" says "get": a word for reading.

Description, as the server wrote it:

```untrusted-server-text
Sub-millisecond (<1ms) indicative quote from Chainlink On-Chain Oracles on Base Mainnet (-0.30% fee) and speculative KyberSwap route pre-fetch.
```

### `univ4_rfq_list_pools`

- The name "univ4_rfq_list_pools" says "list": a word for reading.

Description, as the server wrote it:

```untrusted-server-text
Lists all 21 initialized Uniswap v4 RFQ pools on Base Mainnet, live Chainlink oracle prices, and Morpho Blue flash liquidity stock.
```

## Claude Code permissions

For `.claude/settings.json`, assuming the server is installed as `base-univ4-rfq-hook`:

```json
{
  "permissions": {
    "allow": [
      "mcp__base-univ4-rfq-hook__univ4_rfq_get_quote",
      "mcp__base-univ4-rfq-hook__univ4_rfq_get_hookdata",
      "mcp__base-univ4-rfq-hook__univ4_rfq_list_pools"
    ],
    "ask": [
      "mcp__base-univ4-rfq-hook__univ4_rfq_quote_and_build_swap"
    ],
    "deny": []
  }
}
```