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Agent

FrankNFT

mainnet|id 36039|owner 0xf40fd88ac59a206d009a07f8c09828a01e2acc0d

Checks 1–7

Aircraft engineer turned fintech builder turned blockchain architect. 30 years of getting to new tech early, from Alpha Jets to agentic AI.

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
    25873488
    chain_id
    1
    owner
    0xf40fd88ac59a206d009a07f8c09828a01e2acc0d
    registry
    0x8004a169fb4a3325136eb29fa0ceb6d2e539a432
    token_id
    36039
    tx_hash
    0xea8804c319b897d3994070b078847a7e3b834f0c47f15d95a0b5fdf86b2ccaa1

    checked at 2026-08-31T07:42:10.259977Z

  2. Reachable?rung 2 · resolvable

    pass

    The document URL it declared actually answers when fetched.

    passed

    elapsed_ms
    456
    final_url
    https://frankponcelet.com/.well-known/agent-registration.json
    http_status
    200
    request_url
    https://frankponcelet.com/.well-known/agent-registration.json
    scheme
    https
    uri
    https://frankponcelet.com/.well-known/agent-registration.json

    checked at 2026-08-31T07:42:10.259977Z

  3. Readable?rung 3 · parseable

    pass

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

    passed

    body_bytes
    1368
    body_sha256
    9464fff74385a2c85d72315f982767790f3db3bf9cfd54739b6df4bcc7ccccd3
    content_type
    application/json; charset=utf-8

    checked at 2026-08-31T07:42:10.259977Z

  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 2026-08-31T07:42:10.259977Z

  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
    36039
    declared_chain
    1
    declared_registry
    eip155:1:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432
    match
    true
    registrations_seen
    1

    checked at 2026-08-31T07:42:10.259977Z

  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://frankponcelet.com","elapsed_ms":898,"final_url":"https://frankponcelet.com/","http_status":200,"index":0,"kind":"https","name":"web","outcome":"live","probed":true,"probed_url":"https://frankponcelet.com"}, {"declared":"https://frankponcelet.com/.well-known/agent-card.json","elapsed_ms":638,"final_url":"https://frankponcelet.com/.well-known/agent-card.json","http_status":200,"index":1,"kind":"https","name":"A2A","outcome":"live","probed":true,"probed_url":"https://frankponcelet.com/.well-known/agent-card.json"}, {"declared":"https://frankponcelet.com/api/mcp","elapsed_ms":722,"final_url":"https://frankponcelet.com/api/mcp","http_status":405,"index":2,"kind":"https","name":"MCP","outcome":"not_live","probed":true,"probed_url":"https://frankponcelet.com/api/mcp"}, {"declared":"https://frankponcelet.com/llms-full.txt","elapsed_ms":1028,"final_url":"https://frankponcelet.com/llms-full.txt","http_status":200,"index":3,"kind":"https","name":"OASF","outcome":"live","probed":true,"probed_url":"https://frankponcelet.com/llms-full.txt"}, {"declared":"franknft.eth","index":4,"kind":"other","name":"ENS","probed":false}
    endpoints_answered_not_live
    1
    endpoints_declared
    5
    endpoints_live
    3
    endpoints_our_error
    0
    endpoints_payment_gated
    0
    endpoints_probeable
    4
    endpoints_probed
    4
    endpoints_refused
    0

    checked at 2026-08-31T08:46:48.862283Z

  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 2026-08-31T07:42:10.259977Z

On-chain snapshot

mainnet
token id
36039
owner
0xf40fd88ac59a206d009a07f8c09828a01e2acc0d
block
25,873,488
observed
2026-08-31T07:42:10.262100Z
tokenURIopen →
https://frankponcelet.com/.well-known/agent-registration.json

What the fetch saw

https
scheme
https
request url
https://frankponcelet.com/.well-known/agent-registration.json
final url
https://frankponcelet.com/.well-known/agent-registration.json
http status
200
content type
application/json; charset=utf-8
size
1,368 bytes
sha256
9464fff74385a2c85d72315f982767790f3db3bf9cfd54739b6df4bcc7ccccd3
elapsed
456 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
bba33eff-c533-4bca-8fa0-0f084928bcde
chain
mainnet
pinned block
25,873,488
agents
50,638
started
2026-08-31T06:32:02.218274Z
finished
2026-08-31T08:10:40.641929Z
checker
0.7.0 · 981910a8f7451ff11d8af05abef0cc7852e25953
spec commit
68fc6765761a10fb26f0692df21c8a6f9d12b1be
Reproduce
cargo run -p sweeper -- mainnet   # at block 25873488

What each check measures →