yieldprobe

kt_ad72d6bb5a5e4025fc813137 · Base agent #95494

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 · 88.7 / 100

Rated 2026-10-15 21:46:20 UTC · method ur-1.0

Reachability35.0 / 35

Protocol conformance29.7 / 35

Declared vs actual14.0 / 20

Metadata10.0 / 10

Endpoints probed

Kind	Endpoint	Outcome	Conformance	Latency
a2a	https://yieldprobe.com/.well-known/agent-card.json	answers HTTP 200	90%	26,348 ms
mcp	https://yieldprobe.com/mcp	answers HTTP 200	100%	516 ms
x402	https://yieldprobe.com/.well-known/x402	answers HTTP 200	50%	531 ms
openapi	https://yieldprobe.com/openapi.json	answers HTTP 200	100%	369 ms

Failed checks

a2a:echo_envelope — HTTP 404, not a JSON-RPC 2.0 response
x402:x402Version
x402:accepts_nonempty
x402:accepts_scheme_network
x402:accepts_payTo
x402:accepts_amount
x402:accepts_asset

Declared vs actual

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

Evidence

Evidence hash: 0xcdf9c7a01e3790b76c02c476daad090b69f468ac709cf699d7708a0125974336
Rating hash: 0x7013fbae04ae33c1f9e7b55d0b5b655297fa2d57599de23d9d969c696a21c5c8
Full evidence: /v1/ratings/kt_ad72d…3137/evidence (JSON)
Batch: urb_20261015_001 · leaf 61 · 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 0x4d9ee59a5370623378729bcfc9d8907a2adf20a7 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_ad72d6bb5a5e4025fc813137/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_ad72d6bb5a5e4025fc813137/claim \
  -H 'content-type: application/json' -d '{"nonce":"<nonce>","signature":"0x…"}'

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

Census entry · All ratings