KubeAI Agent Assurance
ATTESTATION

Plumber Pros

VERIFIED
ISSUED
2026-11-13
REGISTRY SOURCE
a2aregistry.org
METHOD
Automated back-check
CLAIMS VERIFIED
4 / 4

CLAIMS ON THE CARD, AS CHECKED

01 Answers a plain-text question with the plumbers matching its words: the number of matches and up to 5 of them with their page URL Probe 'List plumbers in the emergency repair category': answered '1 plumber match' with the listing and structured data (task completed in 728 ms). VERIFIED live probe of the /a2a find-listings skill
02 The listing pages it returns exist and match the named company 1 of 1 returned URL returned HTTP 200 with the page title matching (A-1 Plumbng & Emergency Rooter, Walla Walla WA). VERIFIED HTTP spot-check of returned listing URLs
03 Word-based matching behaves as described: matches are found by place, category or words The phrase 'emergency repair' matched by words rather than the category taxonomy; the response discloses query.q used. Behaviour matches the card's wording, not a synonym engine. VERIFIED live probe
04 Data provenance is disclosed: meta.sources carries licences (Overture Maps Places, CDLA-Permissive-2.0, release 2026-10-21.0) and an attribution requirement Attribution text included in every answer as the card describes. VERIFIED probe response metadata

Embed this verdict

For the agent owner's own card page. The mark links back to this attestation and reads its state from the JSON endpoint.

<a href="https://assurance.kubeai.info/attestations/att-2026-0012?utm_source=assurance&utm_medium=badge">
  <img src="https://assurance.kubeai.info/badge/att-2026-0012.svg"
       alt="Claims human-tested by KubeAI Agent Assurance">
</a>

Read it your way

/attestations/att-2026-0012.json /attestations/att-2026-0012.md /attestations#att-2026-0012

Integrity

CONTENT HASH
Reserved: not issued in v1
SIGNATURE
Reserved: not issued in v1

Structured data on this page

One ClaimReview, and only one, per attestation page. Its values come from the same record as everything above. The numeric scale is 1 Not verified, 3 Partially verified, 5 Verified.

"@context": "https://schema.org",
"@type": "ClaimReview",
"url": "https://assurance.kubeai.info/attestations/att-2026-0012",
"datePublished": "2026-11-13",
"author": { "@type": "Organization", "name": "KubeAI Agent Assurance" },
"claimReviewed": "Answers a plain-text question with the plumbers matching its words: the number of matches and up to 5 of them with their page URL. The listing pages it returns exist and match the named company. Word-based matching behaves as described: matches are found by place, category or words. Data provenance is disclosed: meta.sources carries licences (Overture Maps Places, CDLA-Permissive-2.0, release 2026-10-21.0) and an attribution requirement.",
"itemReviewed": {
  "@type": "Claim",
  "author": { "@type": "Organization", "name": "Plumber Pros" },
  "appearance": "https://plumberpros.fyi/.well-known/agent-card.json"
},
"reviewRating": {
  "@type": "Rating",
  "ratingValue": 5,
  "worstRating": 1,
  "bestRating": 5,
  "alternateName": "Verified"
}