VUTest

kt_a3e5589ea92980762f56c244 · Base agent #38202

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-B

Answers, minor gaps · 80.1 / 100

Rated 2026-10-15 21:51:07 UTC · method ur-1.0

Reachability35.0 / 35

Protocol conformance27.6 / 35

Declared vs actual10.0 / 20

Metadata7.5 / 10

Endpoints probed

Kind	Endpoint	Outcome	Conformance	Latency
a2a	https://vu.velvetdao.xyz/.well-known/agent-card.json	answers HTTP 200	79%	366 ms

Failed checks

a2a:protocol_declared
a2a:io_modes
a2a:echo_envelope — HTTP 405, not a JSON-RPC 2.0 response

Declared vs actual

differs registration says "VUTest", endpoint says "Velvet Unicorn"
matches declared a2a service answers and conforms
differs 0 of 7 declared skills appear in what the endpoint exposes

Evidence

Evidence hash: 0xc139fece484b7d3172f79fe07a6156a86131f2a70f706a88ea99c99725e6f8c4
Rating hash: 0x30a9f654b6d8583556a5c4e32664b60fda2df047c5b8a614bd45a01331cd8e13
Full evidence: /v1/ratings/kt_a3e55…c244/evidence (JSON)
Batch: urb_20261015_002 · leaf 220 · 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 0xfd8e3c8e4591466c95732eb0d4915b99c5976a7c 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_a3e5589ea92980762f56c244/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_a3e5589ea92980762f56c244/claim \
  -H 'content-type: application/json' -d '{"nonce":"<nonce>","signature":"0x…"}'

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

Census entry · All ratings