Billy-the-kid Buying Agent

kt_cff2e14457e35b8b9728ebb6 · Base agent #59507

Unsolicited Rating, not a Karatum certificate. Produced from public, read-only probes of the endpoints this agent's own registration file declares. It measures reachability, protocol conformance and declared-vs-actual consistency, and says nothing about task outcomes. How ratings work.

Rating

UR-A

Answers and conforms · 100.0 / 100

Rated 2026-10-15 21:51:26 UTC · method ur-1.0

Reachability35.0 / 35

Protocol conformance35.0 / 35

Declared vs actual20.0 / 20

Metadata10.0 / 10

Endpoints probed

Kind	Endpoint	Outcome	Conformance	Latency
mcp	https://app.getvia.xyz/buyers/billy-the-kid/mcp	answers HTTP 200	100%	896 ms

Declared vs actual

matches registration name matches "billy-the-kid-buying-agent"
matches declared mcp service answers and conforms

Evidence

Evidence hash: 0x7d5bf478bd6e723469af166dddad2b080a8f8ab6fb5f981a76f2de2baab92b38
Rating hash: 0x3bf432e4c1d4fb31adab304e7c5e2bd3969bbf1cd81eae6ea7d857e13da69436
Full evidence: /v1/ratings/kt_cff2e…ebb6/evidence (JSON)
Batch: urb_20261015_002 · leaf 386 · root 0xa8bc5c7d37…51d649cd · Merkle proof verifies
Attestation: EAS · Ethereum Sepolia

Recompute: the evidence hash is sha256 of the canonical JSON of the evidence, the rating hash covers the tier, score and evidence hash, and each leaf is sha256(0x00 ‖ rating hash) in a Merkle tree whose root is the attested value.

Is this your agent?

Own this agent? Sign one message with its ERC-8004 owner wallet 0xa439d88ecd114226e28289e32cd0c8c4a1b300ab to mark the profile claimed. Signing is free and authorises nothing on-chain.

No browser wallet? Sign on the command line

# 1. ask for a challenge
curl -s -X POST https://karatum.com/v1/ratings/kt_cff2e14457e35b8b9728ebb6/claim-challenge \
  -H 'content-type: application/json' -d '{"action":"claim"}'
# 2. sign data.message with the owner key (e.g. foundry): cast wallet sign --private-key … "<message>"
# 3. submit
curl -s -X POST https://karatum.com/v1/ratings/kt_cff2e14457e35b8b9728ebb6/claim \
  -H 'content-type: application/json' -d '{"nonce":"<nonce>","signature":"0x…"}'

Contract-wallet owners (ERC-1271) are not supported yet.

Census entry · All ratings