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kt_280aede121ecb8888c380218 · Base agent #54834

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-D

Answers, weak or mismatched · 47.8 / 100

Rated 2026-10-15 21:47:00 UTC · method ur-1.0

Reachability35.0 / 35

Protocol conformance7.8 / 35

Declared vs actual0.0 / 20

Metadata5.0 / 10

Scored neutral (half marks) because nothing was comparable: metadata (no descriptor document).

Endpoints probed

Kind	Endpoint	Outcome	Conformance	Latency
mcp	https://v0-x402-service-endpoint.vercel.app/api/premium-service	answers, wants payment (402) HTTP 402	22%	1,254 ms

Failed checks

mcp:x402Version
mcp:accepts_nonempty
mcp:accepts_scheme_network
mcp:accepts_payTo
mcp:accepts_amount
mcp:accepts_asset

Declared vs actual

differs declared mcp service did not answer as mcp
differs declares x402Support but no valid x402 challenge was observed at the declared endpoints

Evidence

Evidence hash: 0x07c5ac182dd1c514bd19221e571c9309f093fdb16318664979447a34c6b5e14d
Rating hash: 0xa3fdb9d06c5884fdfef657dd59df339feecbee9f4a7eea9b9f0bf232b2f3a78b
Full evidence: /v1/ratings/kt_280ae…0218/evidence (JSON)
Batch: urb_20261015_001 · leaf 126 · root 0xf511a5aaf8…9c8cea74 · 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 0x9226211a5fdc1092468f3a6c36370465f6e1823b 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_280aede121ecb8888c380218/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_280aede121ecb8888c380218/claim \
  -H 'content-type: application/json' -d '{"nonce":"<nonce>","signature":"0x…"}'

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

Census entry · All ratings