🦞 Clawnch 🦞

kt_746e0e1e987a9d46a16c1e8b · Base agent #2340

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-C

Answers, notable gaps · 62.1 / 100

Rated 2026-10-15 21:50:41 UTC · method ur-1.0

Reachability26.3 / 35

Protocol conformance23.4 / 35

Declared vs actual10.0 / 20

Metadata2.5 / 10

Endpoints probed

Kind	Endpoint	Outcome	Conformance	Latency
a2a	https://clawn.ch/api/a2a	answers HTTP 200	27%	895 ms
a2a	https://clawn.ch/.well-known/agent-card.json	answers HTTP 200	74%	1,892 ms
mcp	https://clawn.ch/api/mcp	HTTP error HTTP 307	—	524 ms
openapi	https://clawn.ch/openapi.yaml	answers HTTP 200	100%	943 ms

Failed checks

a2a:name
a2a:description
a2a:version
a2a:service_url_https — no url / supportedInterfaces[].url
a2a:protocol_declared
a2a:capabilities_object
a2a:skills_array — skills missing
a2a:skills_have_id_name
a2a:io_modes
a2a:protocol_declared
a2a:skills_have_id_name
a2a:io_modes
a2a:echo_envelope — HTTP 307, not a JSON-RPC 2.0 response

Declared vs actual

matches registration name matches "Clawnch"
matches declared a2a service answers and conforms
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: 0xdb8edccf334d70ac0536108144c8d2605c374c5155d18005245b10f6697b1ebc
Rating hash: 0x60b7b88d687e85220a1be4c6a0d7b9a80d8a7e9e0dd245f3342fa6585d479c06
Full evidence: /v1/ratings/kt_746e0…1e8b/evidence (JSON)
Batch: urb_20261015_002 · leaf 180 · 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 0x729a121c347cd89c14f5ff9cd289ca8c70b1de1d 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_746e0e1e987a9d46a16c1e8b/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_746e0e1e987a9d46a16c1e8b/claim \
  -H 'content-type: application/json' -d '{"nonce":"<nonce>","signature":"0x…"}'

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

Census entry · All ratings