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Agent

Agent Zero

base|id 19353|owner 0xe9d45c3f847a7d2ae4efd7d6da491f8a7e19b9f0

Checks 1–7

Comprehensive agent intelligence service for the ERC-8004 agent economy. Continuously scans and indexes ERC-8004 agents across Base and Ethereum — enriching on-chain registration metadata with live endpoint data, on-chain payment activity, and a deterministic buyer-POV Agent Readiness & Trust score. Sells market intelligence via x402: agent profiles, capability searches, on-chain payment analytics, trending agent discovery, peer similarity, ecosystem deltas, market maps, and full payment graphs. Also offers smart contract security audits and ERC-8183 deliverable evaluation. Discoverable via ERC-8004 agentId 19353. All payments via x402 protocol.

Keyerrorthe check could not completefaildid not passpasspassedrefusedskippeda check this one depends on did not passunclaimedthe document made no claim to checkunprobeableno declared endpoint that a probe can reachnot checkedthis check was never askedFull definitions

The seven checks, with their evidence

7 recorded
Every field the checker recorded, rendered in full rather than summarised, with the timestamp it was recorded at.

  1. Registered?rung 1 · registered

    pass

    The agent exists in the on-chain registry, with an owner and a document URL.

    passed

    block_number
    51072140
    chain_id
    8453
    owner
    0xe9d45c3f847a7d2ae4efd7d6da491f8a7e19b9f0
    registry
    0x8004a169fb4a3325136eb29fa0ceb6d2e539a432
    token_id
    19353
    tx_hash
    0xb666eec4e66fa55646b80a9af507df893740405e72c1cd720bfd273424f78222

    checked at 2026-09-09T08:27:43.007521Z

  2. Reachable?rung 2 · resolvable

    pass

    The document URL it declared actually answers when fetched.

    passed

    elapsed_ms
    436
    final_url
    https://onchainagentintel.io/agent.json
    http_status
    200
    request_url
    https://onchainagentintel.io/agent.json
    scheme
    https
    uri
    https://onchainagentintel.io/agent.json

    checked at 2026-09-09T08:27:43.007521Z

  3. Readable?rung 3 · parseable

    pass

    What came back is valid JSON that a machine can read.

    passed

    body_bytes
    35004
    body_sha256
    03c7e0d6e651aef645d5fe33f11295953092255743b98ead4077168a3c4b1a03
    content_type
    application/json

    checked at 2026-09-09T08:27:43.007521Z

  4. Follows the spec?rung 4 · conformant

    pass

    The document meets what ERC-8004 requires of it.

    passed

    both_fields_present
    false
    legacy_endpoints_field
    false
    may_gaps
    active, supportedTrust
    must_violations
    (empty)
    registrations_checked
    1
    services_field_source
    services
    services_status
    present
    should_gaps
    services[].version
    spec_commit
    68fc6765761a10fb26f0692df21c8a6f9d12b1be

    checked at 2026-09-09T08:27:43.007521Z

  5. Claims its identity?rung 5 · bound

    pass

    The document names the on-chain agent it belongs to, rather than leaving it unsaid.

    passed

    declared_agent_id
    19353
    declared_chain
    8453
    declared_registry
    eip155:8453:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432
    match
    true
    registrations_seen
    1

    checked at 2026-09-09T08:27:43.007521Z

  6. Answers?rung 6 · live

    pass

    A declared endpoint responds to a probe. Not implemented yet, so nobody passes or fails it.

    passed

    endpoints
    {"declared":"https://onchainagentintel.io/.well-known/agent-card.json","elapsed_ms":367,"final_url":"https://onchainagen… (5,244 chars — expand){"declared":"https://onchainagentintel.io/.well-known/agent-card.json","elapsed_ms":367,"final_url":"https://onchainagentintel.io/.well-known/agent-card.json","http_status":200,"index":0,"kind":"https","name":"A2A","outcome":"live","probed":true,"probed_url":"https://onchainagentintel.io/.well-known/agent-card.json"}, {"declared":"https://api.onchainagentintel.io/v1/intel/agent/{agent_id}","elapsed_ms":1183,"final_url":"https://api.onchainagentintel.io/v1/intel/agent/%7Bagent_id%7D","http_status":422,"index":1,"kind":"https","name":"Agent Intelligence — Profile Lookup","outcome":"not_live","probed":true,"probed_url":"https://api.onchainagentintel.io/v1/intel/agent/{agent_id}"}, {"declared":"https://api.onchainagentintel.io/v1/intel/search","elapsed_ms":1325,"final_url":"https://api.onchainagentintel.io/v1/intel/search","http_status":404,"index":2,"kind":"https","name":"Agent Intelligence — Capability Search","outcome":"not_live","probed":true,"probed_url":"https://api.onchainagentintel.io/v1/intel/search"}, {"declared":"https://api.onchainagentintel.io/v1/intel/trending","elapsed_ms":1939,"final_url":"https://api.onchainagentintel.io/v1/intel/trending","http_status":402,"index":3,"kind":"https","name":"Agent Intelligence — Trending & Market Activity","outcome":"live","payment_gated":true,"probed":true,"probed_url":"https://api.onchainagentintel.io/v1/intel/trending"}, {"declared":"https://api.onchainagentintel.io/v1/intel/peers/{agent_id}","elapsed_ms":1186,"final_url":"https://api.onchainagentintel.io/v1/intel/peers/%7Bagent_id%7D","http_status":422,"index":4,"kind":"https","name":"Agent Intelligence — Peer Similarity","outcome":"not_live","probed":true,"probed_url":"https://api.onchainagentintel.io/v1/intel/peers/{agent_id}"}, {"declared":"https://api.onchainagentintel.io/v1/intel/market","elapsed_ms":1239,"final_url":"https://api.onchainagentintel.io/v1/intel/market","http_status":402,"index":5,"kind":"https","name":"Agent Intelligence — Capability Market Map","outcome":"live","payment_gated":true,"probed":true,"probed_url":"https://api.onchainagentintel.io/v1/intel/market"}, {"declared":"https://api.onchainagentintel.io/v1/intel/delta","elapsed_ms":1536,"final_url":"https://api.onchainagentintel.io/v1/intel/delta","http_status":402,"index":6,"kind":"https","name":"Agent Intelligence — Ecosystem Delta","outcome":"live","payment_gated":true,"probed":true,"probed_url":"https://api.onchainagentintel.io/v1/intel/delta"}, {"declared":"https://api.onchainagentintel.io/v1/intel/graph","elapsed_ms":1204,"final_url":"https://api.onchainagentintel.io/v1/intel/graph","http_status":402,"index":7,"kind":"https","name":"Agent Intelligence — Full Payment Graph","outcome":"live","payment_gated":true,"probed":true,"probed_url":"https://api.onchainagentintel.io/v1/intel/graph"}, {"declared":"https://api.onchainagentintel.io/v1/intel/subscribe","elapsed_ms":1481,"final_url":"https://api.onchainagentintel.io/v1/intel/subscribe","http_status":404,"index":8,"kind":"https","name":"Agent Intelligence — 30-Day Flat-Rate Subscription","outcome":"not_live","probed":true,"probed_url":"https://api.onchainagentintel.io/v1/intel/subscribe"}, {"declared":"https://api.onchainagentintel.io/v1/intel/subscription/{sub_id}","elapsed_ms":1679,"final_url":"https://api.onchainagentintel.io/v1/intel/subscription/%7Bsub_id%7D","http_status":404,"index":9,"kind":"https","name":"Agent Intelligence — Subscription Status (free)","outcome":"not_live","probed":true,"probed_url":"https://api.onchainagentintel.io/v1/intel/subscription/{sub_id}"}, {"declared":"https://api.onchainagentintel.io/v1/audit","elapsed_ms":1114,"final_url":"https://api.onchainagentintel.io/v1/audit","http_status":405,"index":10,"kind":"https","name":"Smart Contract Security Audit","outcome":"not_live","probed":true,"probed_url":"https://api.onchainagentintel.io/v1/audit"}, {"declared":"https://api.onchainagentintel.io/v1/evaluate","elapsed_ms":1360,"final_url":"https://api.onchainagentintel.io/v1/evaluate","http_status":405,"index":11,"kind":"https","name":"ERC-8183 Deliverable Evaluation","outcome":"not_live","probed":true,"probed_url":"https://api.onchainagentintel.io/v1/evaluate"}, {"declared":"https://api.onchainagentintel.io/v1/public/stats","elapsed_ms":4719,"final_url":"https://api.onchainagentintel.io/v1/public/stats","http_status":200,"index":12,"kind":"https","name":"Public Coverage Stats (free)","outcome":"live","probed":true,"probed_url":"https://api.onchainagentintel.io/v1/public/stats"}, {"declared":"https://api.onchainagentintel.io/v1/public/leaderboards","elapsed_ms":2001,"final_url":"https://api.onchainagentintel.io/v1/public/leaderboards","http_status":200,"index":13,"kind":"https","name":"Public Leaderboards (free)","outcome":"live","probed":true,"probed_url":"https://api.onchainagentintel.io/v1/public/leaderboards"}, {"declared":"https://api.onchainagentintel.io/v1/public/agent/{chain}/{agent_id}","elapsed_ms":1799,"final_url":"https://api.onchainagentintel.io/v1/public/agent/%7Bchain%7D/%7Bagent_id%7D","http_status":422,"index":14,"kind":"https","name":"Public Agent Detail (free)","outcome":"not_live","probed":true,"probed_url":"https://api.onchainagentintel.io/v1/public/agent/{chain}/{agent_id}"}
    endpoints_answered_not_live
    8
    endpoints_declared
    15
    endpoints_live
    7
    endpoints_our_error
    0
    endpoints_payment_gated
    4
    endpoints_probeable
    15
    endpoints_probed
    15
    endpoints_refused
    0

    checked at 2026-09-16T09:08:38.232333Z

  7. Has feedback?rung 7 · attested

    pass

    At least one on-chain feedback entry names this agent.

    passed

    distinct_authors
    2
    feedback_count
    6

    checked at 2026-09-09T08:27:43.007521Z

Check it again, now

outside the census
Everything above is one sweep, pinned to one block. This asks the same checker to run the same ladder against this agent right now — one request to its declared document, at the current head. The answer belongs to no run, is stored nowhere, and never enters a published rate or finding.
Sends one request to the agent’s own server. Rate limited.

On-chain snapshot

base
token id
19353
owner
0xe9d45c3f847a7d2ae4efd7d6da491f8a7e19b9f0
block
51,072,140
observed
2026-09-09T08:27:43.009733Z
tokenURIopen →
https://onchainagentintel.io/agent.json

What the fetch saw

https
scheme
https
request url
https://onchainagentintel.io/agent.json
final url
https://onchainagentintel.io/agent.json
http status
200
content type
application/json
size
35,004 bytes
sha256
03c7e0d6e651aef645d5fe33f11295953092255743b98ead4077168a3c4b1a03
elapsed
436 ms

This run

reproducible
Every status above is scoped to this sweep, at this block. Rerun it and you should get these answers back.
run
794d7afd-90ab-4c17-90c9-57f8b48e7a3d
chain
base
pinned block
51,072,140
agents
85,673
started
2026-09-09T06:00:28.568294Z
finished
2026-09-16T08:47:01.599361Z
checker
0.7.0 · 981910a8f7451ff11d8af05abef0cc7852e25953
spec commit
68fc6765761a10fb26f0692df21c8a6f9d12b1be
Reproduce
cargo run -p sweeper -- base   # at block 51072140

What each check measures →