Base 2048

kt_1a7f5788b14344d71ea56265 · Base agent #51758

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 · 55.0 / 100

Rated 2026-10-15 21:47:14 UTC · method ur-1.0

Reachability17.5 / 35

Protocol conformance23.3 / 35

Declared vs actual6.7 / 20

Metadata7.5 / 10

Endpoints probed

Kind	Endpoint	Outcome	Conformance	Latency
a2a	https://base2048-mu.vercel.app/.well-known/agent-card.json	answers HTTP 200	67%	330 ms
mcp	https://base2048-mu.vercel.app/api/mcp	HTTP error HTTP 404	—	280 ms

Failed checks

a2a:service_url_https — no url / supportedInterfaces[].url
a2a:protocol_declared
a2a:capabilities_object
a2a:io_modes

Declared vs actual

differs registration says "Base 2048", endpoint says "Base2048 Orchestrator"
matches declared a2a service answers and conforms
differs declared mcp service did not answer as mcp
differs declares x402Support but no valid x402 challenge was observed at the declared endpoints

Evidence

Evidence hash: 0xa991ca24f4e14a4f3822a71402a90a9247fc1093ed4f74ce0eb8043c9dcd04e5
Rating hash: 0xb35624e0548c7cb03be2169972fdc257bb35a841ef7032e28ab27d9ed25566c1
Full evidence: /v1/ratings/kt_1a7f5…6265/evidence (JSON)
Batch: urb_20261015_001 · leaf 148 · 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_1a7f5788b14344d71ea56265/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_1a7f5788b14344d71ea56265/claim \
  -H 'content-type: application/json' -d '{"nonce":"<nonce>","signature":"0x…"}'

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

Census entry · All ratings