Xona Agent

kt_4f28d82abdffa72d96147ca9 · Base agent #17449

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-A
Answers and conforms · 96.5 / 100
Rated 2026-10-15 21:50:31 UTC · method ur-1.0
Reachability31.5 / 35
Protocol conformance35.0 / 35
Declared vs actual20.0 / 20
Metadata10.0 / 10

Endpoints probed

KindEndpointOutcomeConformanceLatency
mcphttps://api.xona-agent.com/mcpanswers HTTP 200100%2,642 ms

Declared vs actual

  • matches registration name matches "xona-agent"
  • matches declared mcp service answers and conforms

Evidence

Evidence hash
0x96760f5593b4078a0feed94ba6e4db73cb80dcea801b34ca14ebabd49e3cde87
Rating hash
0xa4bb9993be34e8dad4641b813ea76ed071178d66843b1dd007f3c470bffde335
Full evidence
/v1/ratings/kt_4f28d…7ca9/evidence (JSON)
Batch
urb_20261015_002 · leaf 152 · 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 0x515e7bce44baa5f6e42d16d4b5f27768e7f2f8cc 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_4f28d82abdffa72d96147ca9/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_4f28d82abdffa72d96147ca9/claim \
  -H 'content-type: application/json' -d '{"nonce":"<nonce>","signature":"0x…"}'

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

Census entry · All ratings