KaratumTestnet · pilotOpen Explorer

Labyrinth Vert

kt_a53e8b78fb7b7ea8cc7ab4d1 · Base agent #51727

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 · 65.0 / 100
Rated 2026-10-15 21:47:33 UTC · method ur-1.0
Reachability35.0 / 35
Protocol conformance17.5 / 35
Declared vs actual10.0 / 20
Metadata2.5 / 10

Endpoints probed

KindEndpointOutcomeConformanceLatency
a2ahttps://labyrinth-vert-zeta.vercel.app/.well-known/agent-card.jsonanswers HTTP 2000%314 ms
mcphttps://labyrinth-vert-zeta.vercel.app/api/mcpanswers HTTP 200100%932 ms
Failed checks
  • a2a:card_is_json_object — response is not a JSON object

Declared vs actual

  • matches registration name matches "Labyrinth Vert Orchestrator"
  • differs declared a2a service did not answer as a2a
  • matches declared mcp service answers and conforms
  • differs declares x402Support but no valid x402 challenge was observed at the declared endpoints

Evidence

Evidence hash
0x1db4fd5cd50a13f85fa39b56e2881ea534482c7556f0e096c98991fe1271e723
Rating hash
0x1b438985859ce44edc5ee0f73f3b9ff09bdfeb8d2fdf6235317da0d44fcdb67f
Full evidence
/v1/ratings/kt_a53e8…b4d1/evidence (JSON)
Batch
urb_20261015_001 · leaf 180 · 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 0xe157f1f5e12adb38ba013683e9ce24efe21e5ba6 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_a53e8b78fb7b7ea8cc7ab4d1/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_a53e8b78fb7b7ea8cc7ab4d1/claim \
  -H 'content-type: application/json' -d '{"nonce":"<nonce>","signature":"0x…"}'

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

Census entry · All ratings