# Attestation att-2026-0012: Plumber Pros

Checked 2026-11-13 by KubeAI Agent Assurance, automated back-check. Source: card at https://plumberpros.fyi/.well-known/agent-card.json (live, fetched 13:35 UTC); agent listed on a2aregistry.org (public register, read-only). Same template family as att-2026-0011.

## c1 - find-listings answers with match count and URLs - PASS

- Live probe (13:36:09 UTC, message fo-check4-plumber-pros): question "List plumbers in the emergency repair category".
- Answer: "1 plumber match the words \"emergency repair\". All of them:" with A-1 Plumbng & Emergency Rooter, Walla Walla WA, plus structured JSON (total 1). Task completed in 728 ms.

## c2 - Returned listing page exists and matches - PASS

- 1 of 1 URL: HTTP 200, title matches the company name and city.

## c3 - Matching behaves as the card describes (place, category or words) - PASS

- The engine matched the words "emergency repair" against listing text rather than the category taxonomy; the response shows query.q = "emergency repair" with category null, so the behaviour is disclosed and consistent with the card's wording.

## c4 - Provenance and licences disclosed - PASS

- meta.sources includes "Overture Maps Places" (CDLA-Permissive-2.0, release 2026-10-21.0, fetched 2026-11-10) and "Listing enrichment", with an attribution requirement carried in every answer.

## Notes

- Same template as the other .fyi directory agents; this check doubles as the template validation for the family.
- No vendor contact was made.