KaratumFretchen AI Assistant (LLM) Service
kt_87c0a7ca3390c2fb212e5e26 · Base agent #97599
Rating
Answers and conforms · 92.0 / 100
Rated 2026-10-15 21:43:13 UTC · method ur-1.0
Endpoints probed
| Kind | Endpoint | Outcome | Conformance | Latency |
|---|---|---|---|---|
| openapi | https://llm-agent.fretchen.eu/openapi.json | answers HTTP 200 | 100% | 730 ms |
Declared vs actual
- matches registration name matches "Fretchen AI Assistant (LLM) Service"
- matches declared openapi service answers and conforms
- differs 0 of 3 declared skills appear in what the endpoint exposes
- differs declares x402Support but no valid x402 challenge was observed at the declared endpoints
Evidence
- Evidence hash
- Rating hash
- Full evidence
- /v1/ratings/kt_87c0a…5e26/evidence (JSON)
- Batch
- urb_20261015_001 · leaf 10 · root · 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 0x1af51d6d7e0926f42d3595cba2ee4218af5fbb20 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_87c0a7ca3390c2fb212e5e26/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_87c0a7ca3390c2fb212e5e26/claim \
-H 'content-type: application/json' -d '{"nonce":"<nonce>","signature":"0x…"}'Contract-wallet owners (ERC-1271) are not supported yet.