The shell of the Otto Xiaozhi robot was custom-designed and modified by myself; the relevant materials are provided below:

Shanmao official website: www.shanmaotech.cn
Product and accessory purchases: https://m.tb.cn/h.Skpx272b6HGrBVa
Shanmao Technology’s MCP service beta testing has begun: http://mcp.shanmaotech.cn. It supports one-click integration of all Xiaozhi AI ecosystem devices and currently offers services such as online search and stock information queries. To use it: go to the xiaozhi.me console, configure your role, add the MCP access point, copy the corresponding endpoint URL to mcp.shanmaotech.cn, and click “Start Service.”
Join our WeChat discussion group via the QR code below.
For product usage, technical details, and tutorials, please refer to: https://ecnrnptst0hx.feishu.cn/wiki/WFthwNKaIiU8LGkmWBvcUQFonL6
An online firmware flashing site (no special environment required—just get started):
https://dev.16302.com/tools/xiaozhiinit
Source code and instructional materials for online music, the MCP vision system, robots, tank vehicles, and more can be found at:
https://ecnrnptst0hx.feishu.cn/wiki/WFthwNKaIiU8LGkmWBvcUQFonL6