DecisionTreeAI

kt_e1aef729e436f700bd0fbbad · Base agent #25886

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 · 77.6 / 100

Rated 2026-10-15 21:48:56 UTC · method ur-1.0

Reachability23.3 / 35

Protocol conformance29.5 / 35

Declared vs actual16.0 / 20

Metadata8.8 / 10

Endpoints probed

Kind	Endpoint	Outcome	Conformance	Latency
a2a	https://novachain-agent.vercel.app/.well-known/agent-card.json	answers HTTP 200	68%	263 ms
mcp	https://agent-yield.lever-labs.com/mcp	HTTP error HTTP 302	—	288 ms
mcp	https://novachain-agent.vercel.app/mcp	answers HTTP 200	100%	627 ms

Failed checks

a2a:protocol_declared
a2a:capabilities_object
a2a:skills_have_id_name
a2a:io_modes
a2a:echo_envelope — HTTP 404, not a JSON-RPC 2.0 response

Declared vs actual

differs registration says "DecisionTreeAI", endpoint says "NovaChain Agents"
matches declared a2a service answers and conforms
matches declared mcp service answers and conforms

Evidence

Evidence hash: 0x758c0900fdd84628c6b46e6c1e83241244b3155661a7e7920474b896bc7578c0
Rating hash: 0x66ba11026de5e548d235938f20f1a94c6e239cefcc8dfd4d8d7db46648ed1416
Full evidence: /v1/ratings/kt_e1aef…bbad/evidence (JSON)
Batch: urb_20261015_001 · leaf 391 · 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 0xe90a8f8a48936d40342552456d8515c2141544d8 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_e1aef729e436f700bd0fbbad/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_e1aef729e436f700bd0fbbad/claim \
  -H 'content-type: application/json' -d '{"nonce":"<nonce>","signature":"0x…"}'

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

Census entry · All ratings