Weapp Agent MCP

📖 Changelog · 🐛 Issues · 💬 Discussions. It runs locally over stdio via the published package.

People connecting developer tools tools to Claude, Cursor, VS Code, or another MCP client. The project is written in TypeScript.

VERIFIED ACTIVE

LAST COMMIT 2026-07-01 · ★ 14 · #77 OF 139 MAINTAINED DEVELOPER TOOLS · VERIFIED 2026-08-25

MIT · TypeScript servers · how we verify → /methodology

01 · Install Weapp Agent MCP

before you install - you'll need

Set WEAPP_WS_ENDPOINT, WEAPP_AUTOMATOR_MODE, WECHAT_DEVTOOLS_CLI_PATH, WEAPP_DEVTOOLS_PORT, WEAPP_AUTOLAUNCH before connecting. WEAPP_PROJECT_PATH is optional or environment-specific per the README.

Claude Code

claude mcp add chaixueyuan-weapp-agent-mcp -- npx -y @chaixueyuan/weapp-agent-mcp

Claude Desktop / Cursor / VS Code - add to config

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

Same JSON for Cursor. For VS Code, rename the top-level key from `mcpServers` to `servers`.

Using another client? Same JSON, different key

Claude Desktop · mcpServers

Cursor · mcpServers

VS Code · servers

Windsurf · mcpServers

Zed · context_servers

Cline · mcpServers

Roo Code · mcpServers

Continue · mcpServers

LibreChat · mcpServers

Gemini CLI · mcpServers

Codex CLI · mcp_servers

Full setup guides: every client.

02 · Evidence

Security posture

What to check before giving this server access to your agent - from the registry, GitHub, and our own probes. We don't score safety; we show what's verifiable.

runs as local process (stdio) - runs on your machine with your user's permissions

license MIT - declared in the repository

npm package @chaixueyuan/weapp-agent-mcp - published under the repo owner's npm scope (@chaixueyuan)

registry namespace io.github.Chaixueyuan is GitHub-verified and matches the repo owner

03 · What Weapp Agent MCP can do

Prose above is summarized from the project's README and registry record - no invented capabilities.

Latest releases

v0.4.8 · 2026-07-01

基于 dogfooding 反馈 + 对抗性多 agent review 的可用性改进（向后兼容，无破坏性）： · element_tap 返回结构化 JSON，新增 routeBefore/routeAfter/routeChanged（仅 waitMs>0 时探测），点击是否跳转一目了然，省去再调一次 mp_currentPage；原文案保留在 message，探测失败降级为 null。 · page_getData 返回新增…

v0.4.7 · 2026-06-05

小版本：澄清 connection.port 的含义（issue #3），无功能/行为变更。 · 修复 · connection.port 语义澄清：它是自动化端口（会传给 cli auto --auto-port，默认 9420），不是开发者工具的 IDE HTTP 服务端口。工具内部一直用 --auto-port（自 v0.4.0 起），本次仅把提示写清楚： · - IDE_HTTP_PORT_NOT_WS…

v0.4.6 · 2026-06-05

WeChat 小程序自动化/调试 MCP server。本版聚焦稳健性硬化 + 一轮 dogfooding 反馈驱动的体验/性能改进。 · 稳健性硬化 · 截图：DevTools 公共接口统一报错时，经 private_captureScreen + readFile 直读 base64 fallback（绕过撑满的 wx.saveFile）；补齐截图通道健康状态、单车道串行与失败短路（仅 RENDERER_NOT_READY…

04 · Who maintains Weapp Agent MCP

weapp-agent-mcp is maintained by chaixueyuan. It's the only MCP server we track from this author; the repo dates to Apr 2026.

05 · Facts

repository: github.com/chaixueyuan/weapp-agent-mcp
category: developer tools - ranked #77 of 139 actively-maintained developer tools servers as of 2026-08-25.
release cadence: 3 releases in the last 90 days (latest 2026-07-01)
registry: io.github.Chaixueyuan/weapp-agent-mcp (active, first published 2026-05-14 · 6 versions)
packages: npm:@chaixueyuan/weapp-agent-mcp

06 · Weapp Agent MCP FAQ

What is Weapp Agent MCP?

📖 Changelog · 🐛 Issues · 💬 Discussions. It runs locally over stdio via the published package.

Is Weapp Agent MCP still maintained?

Yes - as of 2026-08-25, its last commit was 2026-07-01 and it shipped 3 releases in the last 90 days. We re-verify nightly.

How do I install Weapp Agent MCP?

Run `npx -y @chaixueyuan/weapp-agent-mcp`. The README documents 6 environment variables (WEAPP_WS_ENDPOINT, WEAPP_AUTOMATOR_MODE, WEAPP_PROJECT_PATH…) to set first. Set WEAPP_WS_ENDPOINT, WEAPP_AUTOMATOR_MODE, WECHAT_DEVTOOLS_CLI_PATH, WEAPP_DEVTOOLS_PORT, WEAPP_AUTOLAUNCH before connecting. WEAPP_PROJECT_PATH is optional or environment-specific per the README. You can also paste the ready-made client config above.

Does Weapp Agent MCP run locally?

Yes - it's a stdio server: it runs on your machine (via npx) with your user's permissions. Your data stays local unless the server itself calls external APIs.

07 · Alternatives to Weapp Agent MCP

Alternatives to Weapp Agent MCP

Maintained developer tools servers if Weapp Agent MCP isn't the fit.

Pairs well with

Servers that cover what Weapp Agent MCP doesn't - only shown when the pairing reason fits the companion.

More developer tools MCP servers · Archlang MCP · Snowfakery MCP · Configcat MCP Server · ToolPipe MCP Server

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