dsh-goofish-mcp

Xianyu (a.k.a. Goofish) has no stable public API, and while goofish-cli can handle some queries from the terminal, wiring it into an agent workflow still requires a tool-level bridge. dsh-goofish-mcp fills that gap: it drives goofish-cli as a stdio child process and wraps the read-only data capabilities into a set of MCP tools, so DeepSeek Harness agents can search listings, fetch item details, browse active sales, and read message histories without manual command-line work.

The design principle worth highlighting is the strict read-only boundary. At registration time the plugin filters out every write operation — publishing, delisting, sending messages, and changing login state are all excluded. In practice this means the agent can safely inspect Xianyu data but can never mutate it, eliminating the risk of accidental side effects out of the box. The build also conforms to DSH 0.1.5 strict result-validation contracts and resolves executables without relying on the host PATH, making it stable under macOS launchd-managed services.

Who is it for? If you are already building routine automation with DeepSeek Harness and need to check active listings, track chat threads, or verify category information on a regular basis, this plugin turns those queries into a single natural-language instruction. It also suits individual developers who keep a casual eye on the second-hand market: read-only, side-effect-free, and hands-off with login credentials — it quietly slots CLI capability into your agent pipeline.