AgentCheck

kt_b121526e8c8ccf715bb4451a · Base agent #97367

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 · 79.8 / 100
Rated 2026-10-15 21:43:22 UTC · method ur-1.0
Reachability35.0 / 35
Protocol conformance24.8 / 35
Declared vs actual10.0 / 20
Metadata10.0 / 10

Endpoints probed

KindEndpointOutcomeConformanceLatency
x402https://agentcheck-kohl.vercel.app/reportanswers, wants payment (402) HTTP 40242%5,584 ms
openapihttps://agentcheck-kohl.vercel.app/openapi.jsonanswers HTTP 200100%815 ms
Failed checks
  • x402:x402Version
  • x402:accepts_nonempty
  • x402:accepts_scheme_network
  • x402:accepts_payTo
  • x402:accepts_amount
  • x402:accepts_asset

Declared vs actual

  • matches registration name matches "AgentCheck"
  • differs declared x402 service did not answer as x402
  • matches declared openapi service answers and conforms
  • differs declares x402Support but no valid x402 challenge was observed at the declared endpoints

Evidence

Evidence hash
0xcfe3776613318fb06c2570c83941b24c89ef2b056c14d200317c27a3853ce7df
Rating hash
0xdf8fdcef79383ad88bcdd6409e1ffb1ef3a5f6f9d2eb93d2778525008831d1fe
Full evidence
/v1/ratings/kt_b1215…451a/evidence (JSON)
Batch
urb_20261015_001 · leaf 15 · 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 0x4b02f8b83afbe346ce47a1bc8cb40a1e2bacd9ef 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_b121526e8c8ccf715bb4451a/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_b121526e8c8ccf715bb4451a/claim \
  -H 'content-type: application/json' -d '{"nonce":"<nonce>","signature":"0x…"}'

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

Census entry · All ratings