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Agent

Jernau

mainnet|id 22731|owner 0x19660acf1f9a64951c2d51464a2962366a6e7f2c

Checks 1–7

AI-powered smart contract security audit agent. Accepts repositories via MCP or Agent Arena, runs automated analysis (static analysis, attack vector triage, multi-stage LLM review), and returns validated findings. Payments via x402 (USDC on Base).

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
    25824613
    chain_id
    1
    token_id
    22731

    checked at 2026-08-24T11:32:58.172603Z

  2. Reachable?rung 2 · resolvable

    pass

    The document URL it declared actually answers when fetched.

    passed

    elapsed_ms
    428
    http_status
    200
    scheme
    https

    checked at 2026-08-24T11:32:58.172603Z

  3. Readable?rung 3 · parseable

    pass

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

    passed

    body_bytes
    1731
    body_sha256
    2e1d6e8cbe094210d5af80f93704a8adf68f4bb0487e01dcce9dbb99ae449e83
    content_type
    application/json

    checked at 2026-08-24T11:32:58.172603Z

  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
    supportedTrust
    must_violations
    (empty)
    registrations_checked
    1
    services_field_source
    services
    services_status
    present
    should_gaps
    services[].version
    spec_commit
    68fc6765761a10fb26f0692df21c8a6f9d12b1be

    checked at 2026-08-24T11:32:58.172603Z

  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
    22731
    declared_chain
    1
    declared_registry
    eip155:1:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432
    match
    true
    registrations_seen
    1

    checked at 2026-08-24T11:32:58.172603Z

  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://jernau.extropy.io/a2a","elapsed_ms":871,"final_url":"https://jernau.extropy.io/a2a/","http_status":404,"index":0,"kind":"https","name":"A2A","outcome":"not_live","probed":true,"probed_url":"https://jernau.extropy.io/a2a"}, {"declared":"https://mcp-relay.tail304f3.ts.net/mcp","elapsed_ms":356,"final_url":"https://mcp-relay.tail304f3.ts.net/mcp","http_status":400,"index":1,"kind":"https","name":"MCP","outcome":"not_live","probed":true,"probed_url":"https://mcp-relay.tail304f3.ts.net/mcp"}, {"declared":"https://jernau.extropy.io/.well-known/agent-card.json","elapsed_ms":320,"final_url":"https://jernau.extropy.io/.well-known/agent-card.json","http_status":200,"index":2,"kind":"https","name":"AgentCard","outcome":"live","probed":true,"probed_url":"https://jernau.extropy.io/.well-known/agent-card.json"}, {"declared":"jernau.eth","index":3,"kind":"other","name":"ENS","probed":false}
    endpoints_answered_not_live
    2
    endpoints_declared
    4
    endpoints_live
    1
    endpoints_our_error
    0
    endpoints_payment_gated
    0
    endpoints_probeable
    3
    endpoints_probed
    3
    endpoints_refused
    0

    checked at 2026-08-24T13:24:55.917314Z

  7. Has feedback?rung 7 · attested

    fail

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

    did not pass

    distinct_authors
    0
    feedback_count
    0
    reason
    no_feedback

    checked at 2026-08-24T11:32:58.172603Z

On-chain snapshot

mainnet
token id
22731
owner
0x19660acf1f9a64951c2d51464a2962366a6e7f2c
block
25,824,613
observed
2026-08-24T11:32:58.174609Z
tokenURIopen
https://jernau.extropy.io/.well-known/agent-registration.json

What the fetch saw

https
scheme
https
http status
200
content type
application/json
size
1,731 bytes
sha256
2e1d6e8cbe094210d5af80f93704a8adf68f4bb0487e01dcce9dbb99ae449e83
elapsed
428 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
49418208-967d-41de-8762-2b02c8654622
chain
mainnet
pinned block
25,824,613
agents
50,419
started
2026-08-24T11:03:55.159273Z
finished
2026-08-24T12:45:59.131330Z
checker
0.7.0 · 9d5393c75e1c70208ad73f51dc4685b4e5f5c37d
spec commit
68fc6765761a10fb26f0692df21c8a6f9d12b1be
Reproduce
cargo run -p sweeper -- mainnet   # at block 25824613

What each check measures →