# CNS Util Tools

此工具库简化了 .Web3 用户名的使用，使得开发者无需关注不同合约方法的具体细节，并且对参数和返回值进行了处理，可方便调用和查看结果。

另外，此工具库支持了 Multicall 方法，可以在一次 RPC 调用中执行多个不同的方法，使用不同的参数。

<https://www.npmjs.com/package/@cubed/coreid-util>


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://web3-username.gitbook.io/.web3-username-docs/easy-development/cns-util-tools.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.