# Wechat Devtools MCP (MCP server)

> Wechat Devtools MCP is an MCP server that adds tools to AI assistants such as Claude Desktop, Claude Code and Cursor. MCP Server for WeChat DevTools CLI - Automate development & testing with 7 aggregated APIs. It has 150 GitHub stars, is released under the MIT license and runs locally with uvx wechat-devtools-mcp.

把微信开发者工具封装为 MCP 服务，让编辑器里的 AI 直接完成小程序的编译、预览、调试、自动化测试闭环。Windows / macOS，已上架官方 MCP Registry。 微信开发者工具 2.x 自 2026-08-18 起为官方 Stable（1.06 已下架），IDE 内建 MCP Server（47 个原子工具）。两者互补，不是替代：

## Key facts

| Fact | Value |
|---|---|
| Repository | https://github.com/WaterTian/wechat-devtools-mcp |
| GitHub stars | 150 |
| License | MIT |
| Language | Python |
| Transport | stdio |
| Packages | pypi: wechat-devtools-mcp |
| Remote URL | none |
| Needs API key | no |
| Official | no |
| Works with | Claude Desktop, Claude Code, Cursor, VS Code |
| Category | Other |
| Latest release | v0.9.18 (Sep 4, 2026) |
| Last commit | Sep 4, 2026 |
| MCP registry name | io.github.WaterTian/wechat-devtools-mcp |

## Install

### Claude Desktop (claude_desktop_config.json)

```json
{
  "mcpServers": {
    "wechat-devtools-mcp": {
      "command": "uvx",
      "args": [
        "wechat-devtools-mcp"
      ],
      "env": {
        "WECHAT_DEVTOOLS_CLI": "your-value",
        "WECHAT_PROJECT_PATH": "your-value"
      }
    }
  }
}
```

Settings > Developer > Edit Config. macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\. Restart Claude Desktop afterwards.

### Claude Code

```sh
claude mcp add --env WECHAT_DEVTOOLS_CLI=your-value --env WECHAT_PROJECT_PATH=your-value --transport stdio wechat-devtools-mcp -- uvx wechat-devtools-mcp
```

### Cursor (.cursor/mcp.json)

```json
{
  "mcpServers": {
    "wechat-devtools-mcp": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "wechat-devtools-mcp"
      ],
      "env": {
        "WECHAT_DEVTOOLS_CLI": "your-value",
        "WECHAT_PROJECT_PATH": "your-value"
      }
    }
  }
}
```

Project file; use ~/.cursor/mcp.json to enable it in every project.

### VS Code (.vscode/mcp.json)

```json
{
  "servers": {
    "wechat-devtools-mcp": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "wechat-devtools-mcp"
      ],
      "env": {
        "WECHAT_DEVTOOLS_CLI": "your-value",
        "WECHAT_PROJECT_PATH": "your-value"
      }
    }
  }
}
```

Config formats checked against the official docs on 2026-10-07.

## Environment variables

- `WECHAT_DEVTOOLS_CLI` (required): 微信开发者工具 CLI 路径。Windows: C:\Program Files (x86)\Tencent\微信web开发者工具\cli.bat；macOS: /Applications/wechatwebdevtools.app/Contents/MacOS/cli
- `WECHAT_PROJECT_PATH` (required): 默认小程序项目绝对路径，例如 D:\Projects\MyMiniApp
- `WECHAT_CLI_TIMEOUT`: CLI 命令超时时间（秒）
- `NODE_PATH`: Node.js 可执行文件路径

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