io.github.Chaixueyuan/weapp-agent-mcp MCP Server

io.github.Chaixueyuan/weapp-agent-mcp

Repository Registry

What is the io.github.Chaixueyuan/weapp-agent-mcp MCP server?

Agent-first MCP server for WeChat Mini Program debugging & automation via WeChat DevTools.

How to install io.github.Chaixueyuan/weapp-agent-mcp

Copy-paste configuration for popular MCP clients.

transport: stdio

Config generated by PluginBench — verify against the source before use.

Environment / auth

WEAPP_WS_ENDPOINT
Automation WebSocket endpoint for the 'connect' flow (e.g. ws://localhost:9420). When a local endpoint is not listening and auto-launch is enabled, mp_ensureConnection may start DevTools if it can resolve a project.
WEAPP_AUTOMATOR_MODE
Force 'launch' or 'connect' mode. Defaults to 'launch' unless WEAPP_WS_ENDPOINT is set.
WEAPP_PROJECT_PATH
Optional Mini Program project directory used by launch and local auto-launch flows. The server can also resolve a persisted default, a recent project, or the current working directory.
WECHAT_DEVTOOLS_CLI_PATH
Optional override for the WeChat DevTools CLI binary path (e.g. /Applications/wechatwebdevtools.app/Contents/MacOS/cli on macOS).
WEAPP_DEVTOOLS_PORT
Automation websocket port passed to 'cli auto --auto-port' in launch mode (default 9420).
WEAPP_DEVTOOLS_TIMEOUT
Milliseconds passed to miniprogram-automator when launching WeChat DevTools.
WEAPP_AUTO_ACCOUNT
secret
Optional account passed to miniprogram-automator launch.
WEAPP_DEVTOOLS_TICKET
secret
Optional DevTools launch ticket.
WEAPP_TRUST_PROJECT
Whether launch mode should trust the project. Accepts true/false, 1/0, yes/no, or on/off.
WEAPP_DEVTOOLS_ARGS
Additional whitespace-separated CLI arguments passed during launch.
WEAPP_DEVTOOLS_CWD
Optional working directory passed to the DevTools launch process.
WEAPP_AUTOCLOSE
Whether to close or disconnect the automator session after each tool call. Accepts true/false, 1/0, yes/no, or on/off.
WEAPP_AUTOLAUNCH
Allow mp_ensureConnection to launch local WeChat DevTools with cli auto when the configured local automation port is not listening. Defaults to enabled; set false to disable.
WEAPP_LAUNCH_TIMEOUT
Milliseconds to wait for a locally auto-launched automation port (default 45000).
WEAPP_CONNECT_TIMEOUT
Milliseconds to wait for an automator websocket connection (default 45000).

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "weapp-agent-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@chaixueyuan/weapp-agent-mcp"
      ],
      "env": {
        "WEAPP_WS_ENDPOINT": "<YOUR_WEAPP_WS_ENDPOINT>",
        "WEAPP_AUTOMATOR_MODE": "<YOUR_WEAPP_AUTOMATOR_MODE>",
        "WEAPP_PROJECT_PATH": "<YOUR_WEAPP_PROJECT_PATH>",
        "WECHAT_DEVTOOLS_CLI_PATH": "<YOUR_WECHAT_DEVTOOLS_CLI_PATH>",
        "WEAPP_DEVTOOLS_PORT": "<YOUR_WEAPP_DEVTOOLS_PORT>",
        "WEAPP_DEVTOOLS_TIMEOUT": "<YOUR_WEAPP_DEVTOOLS_TIMEOUT>",
        "WEAPP_AUTO_ACCOUNT": "<YOUR_WEAPP_AUTO_ACCOUNT>",
        "WEAPP_DEVTOOLS_TICKET": "<YOUR_WEAPP_DEVTOOLS_TICKET>",
        "WEAPP_TRUST_PROJECT": "<YOUR_WEAPP_TRUST_PROJECT>",
        "WEAPP_DEVTOOLS_ARGS": "<YOUR_WEAPP_DEVTOOLS_ARGS>",
        "WEAPP_DEVTOOLS_CWD": "<YOUR_WEAPP_DEVTOOLS_CWD>",
        "WEAPP_AUTOCLOSE": "<YOUR_WEAPP_AUTOCLOSE>",
        "WEAPP_AUTOLAUNCH": "<YOUR_WEAPP_AUTOLAUNCH>",
        "WEAPP_LAUNCH_TIMEOUT": "<YOUR_WEAPP_LAUNCH_TIMEOUT>",
        "WEAPP_CONNECT_TIMEOUT": "<YOUR_WEAPP_CONNECT_TIMEOUT>"
      }
    }
  }
}

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