NASA PDS Registry MCP Server
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TDQS
Scored across 7 tools
The four search_* tools map cleanly onto distinct PDS Context product types (Investigations, Targets, Instrument Hosts, Instruments), and descriptions reinforce the boundaries. crawl_context_product, search_collections, and get_product each target clearly different operations, leaving little room for misselection.
All tool names follow a predictable verb_noun snake_case pattern (search_investigations, crawl_context_product, get_product). The search_ prefix is used consistently for the five query tools, and the verb choices accurately reflect each operation.
Seven tools is well-scoped for a specialized registry query server, with each tool earning its place by covering a distinct resource or operation. Nothing feels redundant or missing count-wise.
Core workflows are covered: search across the four context types, search collections, traverse associations, and fetch by URN. Minor gaps exist—no dedicated search_products or bundle search, and the only product retrieval is by exact URN, but agents can largely work around these.