Use when the user says deepsearch, asks for deep research, asks to investigate thoroughly, compare sources, find primary evidence, trace claims, verify current facts, synthesize scattered information, or perform multi-pass search across web, local files, GitHub, Shuiyuan, Gmail, or other available tools.
Use when working with Shuiyuan/SJTU Discourse through the mcpshuiyuan MCP tools: searching Shuiyuan, reading topics/posts, summarizing discussions, checking user posts, drafting replies, publishing topics or replies, editing Shuiyuan posts, choosing categories, or troubleshooting Shuiyuan MCP read/write access.