weapp-agent-mcp

An agent-first MCP server that enables AI agents like Claude Code, Cursor, and Codex to directly drive WeChat DevTools for debugging, UI automation, page inspection, and lightweight regression testing of WeChat Mini Programs.

Package and access

Local package with source-attributed installation metadata. Koskamo does not execute packages during review.

Community listingLocal stdioSource reviewed; not executedPublished by Chaixueyuan

Vendor documentation

What you can do with it

Debugging WeChat Mini Programs via agent-driven tool calls
Automating UI interactions and page inspections
Running lightweight regression tests and generating reports

Source and maintenance

Community listingRegistry 0.4.8

mcp-registry: io.github.Chaixueyuan/weapp-agent-mcp@0.4.8 Source repository

Maintenance checked: Oct 31, 2026, 10:27 PM UTC

Packages and installation

Source-provided package data. Koskamo has not executed or live-probed this package.

@chaixueyuan/weapp-agent-mcp 0.4.8

npm

@chaixueyuan/weapp-agent-mcp package definition

{
  "version": "0.4.8",
  "transport": "stdio",
  "identifier": "@chaixueyuan/weapp-agent-mcp",
  "registryType": "npm",
  "environmentVariables": [
    {
      "name": "WEAPP_WS_ENDPOINT",
      "format": "string",
      "description": "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."
    },
    {
      "name": "WEAPP_AUTOMATOR_MODE",
      "format": "string",
      "description": "Force 'launch' or 'connect' mode. Defaults to 'launch' unless WEAPP_WS_ENDPOINT is set."
    },
    {
      "name": "WEAPP_PROJECT_PATH",
      "format": "string",
      "description": "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."
    },
    {
      "name": "WECHAT_DEVTOOLS_CLI_PATH",
      "format": "string",
      "description": "Optional override for the WeChat DevTools CLI binary path (e.g. /Applications/wechatwebdevtools.app/Contents/MacOS/cli on macOS)."
    },
    {
      "name": "WEAPP_DEVTOOLS_PORT",
      "format": "string",
      "description": "Automation websocket port passed to 'cli auto --auto-port' in launch mode (default 9420)."
    },
    {
      "name": "WEAPP_DEVTOOLS_TIMEOUT",
      "format": "string",
      "description": "Milliseconds passed to miniprogram-automator when launching WeChat DevTools."
    },
    {
      "name": "WEAPP_AUTO_ACCOUNT",
      "format": "string",
      "description": "Optional account passed to miniprogram-automator launch."
    },
    {
      "name": "WEAPP_DEVTOOLS_TICKET",
      "format": "string",
      "description": "Optional DevTools launch ticket."
    },
    {
      "name": "WEAPP_TRUST_PROJECT",
      "format": "string",
      "description": "Whether launch mode should trust the project. Accepts true/false, 1/0, yes/no, or on/off."
    },
    {
      "name": "WEAPP_DEVTOOLS_ARGS",
      "format": "string",
      "description": "Additional whitespace-separated CLI arguments passed during launch."
    },
    {
      "name": "WEAPP_DEVTOOLS_CWD",
      "format": "string",
      "description": "Optional working directory passed to the DevTools launch process."
    },
    {
      "name": "WEAPP_AUTOCLOSE",
      "format": "string",
      "description": "Whether to close or disconnect the automator session after each tool call. Accepts true/false, 1/0, yes/no, or on/off."
    },
    {
      "name": "WEAPP_AUTOLAUNCH",
      "format": "string",
      "description": "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."
    },
    {
      "name": "WEAPP_LAUNCH_TIMEOUT",
      "format": "string",
      "description": "Milliseconds to wait for a locally auto-launched automation port (default 45000)."
    },
    {
      "name": "WEAPP_CONNECT_TIMEOUT",
      "format": "string",
      "description": "Milliseconds to wait for an automator websocket connection (default 45000)."
    }
  ]
}

Tools

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No tool definitions available.

Connect from your client

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Cursor

Merge this local stdio configuration, replace every placeholder environment value, and restart Cursor. Koskamo has not executed this package.

Cursor configuration

{
  "mcpServers": {
    "weapp-agent-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@chaixueyuan/weapp-agent-mcp@0.4.8"
      ],
      "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>"
      }
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.

Cline configuration

{
  "mcpServers": {
    "weapp-agent-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@chaixueyuan/weapp-agent-mcp@0.4.8"
      ],
      "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>"
      }
    }
  }
}

VS Code

Merge this local stdio configuration, replace every placeholder environment value, and restart VS Code. Koskamo has not executed this package.

VS Code configuration

{
  "servers": {
    "weapp-agent-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@chaixueyuan/weapp-agent-mcp@0.4.8"
      ],
      "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>"
      }
    }
  }
}

Claude Desktop

Merge this local stdio configuration, replace every placeholder environment value, and restart Claude Desktop. Koskamo has not executed this package.

Claude Desktop configuration

{
  "mcpServers": {
    "weapp-agent-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@chaixueyuan/weapp-agent-mcp@0.4.8"
      ],
      "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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