WeApp Dev FAQs

Question 1

What is WeApp Dev and what does it do?

Accepted Answer

WeApp Dev is a FastMCP server that automates WeChat Mini Program developer tools using `miniprogram-automator`. It enables programmatic control, inspection, and manipulation of Mini Program pages, especially designed for AI assistants and automated testing.

Question 2

How does WeApp Dev support AI assistants and automated workflows?

Accepted Answer

It provides Model Context Protocol (MCP) tools, similar to `playwright-mcp` but tailored for the WeChat ecosystem. This allows AI assistants to programmatically navigate, inspect elements, update data, simulate events, and interact with Mini Program pages through comprehensive APIs.

Question 3

What kind of programmatic control does WeApp Dev offer?

Accepted Answer

WeApp Dev provides extensive APIs for application-level actions (e.g., navigation, screenshots, `wx` API calls), page-level interactions (e.g., get/set data, call page methods, wait for elements), and element-level controls (e.g., tap, input, get WXML, manipulate custom component data/methods).

Question 4

What are the prerequisites for using WeApp Dev?

Accepted Answer

You need WeChat Developer Tools installed with command-line access (cli), Node.js 18+ and npm. Additionally, the WeChat Developer Tools must have its WebSocket service enabled via the 'Security Settings' for automation.

Question 5

Can WeApp Dev interact with custom components within Mini Programs?

Accepted Answer

Yes, WeApp Dev supports interacting with custom components. It's crucial to target them using ID selectors (e.g., `#my-custom-component`). Many element tools also accept an `innerSelector` parameter to precisely target elements inside a custom component.

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