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Check your agent
Agent

YH

mainnet|id 12719|owner 0x8a88453e3284360f9d6aa4375de0760cc480a36a

Checks 1–7

YH. [*********] in ******** where a ***** as [******]

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
    25723900
    chain_id
    1
    owner
    0x8a88453e3284360f9d6aa4375de0760cc480a36a
    registry
    0x8004a169fb4a3325136eb29fa0ceb6d2e539a432
    token_id
    12719
    tx_hash
    0x2f29375c7f3e5bc7ac46c120be7e209b89e7e22a68df084d15bb923fa0456368

    checked at 2026-08-10T10:33:39.079138Z

  2. Reachable?rung 2 · resolvable

    pass

    The document URL it declared actually answers when fetched.

    passed

    bytes
    285
    data_uri_algorithm
    gzip
    data_uri_variant
    compressed
    inline
    true
    scheme
    data
    uri
    data:application/json;enc=gzip;level=6;base64,H4sIAHvWe2kAA02OPQvCMBCGd3/FETexH0oH6S7oJugipUNozzZg25C7VkX875rEQG97n3t57t4LAMEvjSIH0TJrypMElaYYuUWDYxcPpkn2x9PZ4miXptnSYKOIjWQ19NG0EWsr6WXnJNeDzzVSZZS2HY9jKFZhSlA9hAAPewmkByApFEtvUp1snNpHQjOpCulHitKR+T8zTKPWg2GsL2Ykni1kxWqyxpu8Ezr0zNLtvx/44vMFfd4c1x0BAAA=

    checked at 2026-08-10T10:33:39.079138Z

  3. Readable?rung 3 · parseable

    pass

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

    passed

    body_bytes
    285
    body_sha256
    812000a2753cccce9962f1e6bc41aa069460cc327a5418f5345b5946c5891464
    content_type
    —

    checked at 2026-08-10T10:33:39.079138Z

  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
    x402Support, supportedTrust
    must_violations
    (empty)
    registrations_checked
    0
    services_field_source
    services
    services_status
    empty
    should_gaps
    services_empty, registrations
    spec_commit
    68fc6765761a10fb26f0692df21c8a6f9d12b1be

    checked at 2026-08-10T10:33:39.079138Z

  5. Claims its identity?rung 5 · bound

    unclaimed

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

    unclaimed — the document made no claim to check

    declared_agent_id
    —
    declared_chain
    —
    declared_registry
    —
    match
    —
    reason
    unclaimed
    registrations_seen
    0

    checked at 2026-08-10T10:33:39.079138Z

  6. Answers?rung 6 · live

    unprobeable

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

    unprobeable — no declared endpoint that a probe can reach

    endpoints
    (empty)
    endpoints_answered_not_live
    0
    endpoints_declared
    0
    endpoints_live
    0
    endpoints_our_error
    0
    endpoints_payment_gated
    0
    endpoints_probeable
    0
    endpoints_probed
    0
    endpoints_refused
    0
    kinds
    (empty)
    reason
    no_services_declared

    checked at 2026-08-10T11:57:37.277100Z

  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 2026-08-10T10:33:39.079138Z

On-chain snapshot

mainnet
token id
12719
owner
0x8a88453e3284360f9d6aa4375de0760cc480a36a
block
25,723,900
observed
2026-08-10T10:33:39.081600Z
tokenURI
data:application/json;enc=gzip;level=6;base64,H4sIAHvWe2kAA02OPQvCMBCGd3/FETexH0oH6S7oJugipUNozzZg25C7VkX875rEQG97n3t57t4LAMEvjSIH0TJrypMElaYYuUWDYxcPpkn2x9PZ4miXptnSYKOIjWQ19NG0EWsr6WXnJNeDzzVSZZS2HY9jKFZhSlA9hAAPewmkByApFEtvUp1snNpHQjOpCulHitKR+T8zTKPWg2GsL2Ykni1kxWqyxpu8Ezr0zNLtvx/44vMFfd4c1x0BAAA=

What the fetch saw

data
scheme
data
request url
—
final url
—
http status
—
content type
—
size
285 bytes
sha256
812000a2753cccce9962f1e6bc41aa069460cc327a5418f5345b5946c5891464
elapsed
0 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
15744566-e63c-4814-85ca-c900b4c09cff
chain
mainnet
pinned block
25,723,900
agents
49,501
started
2026-08-10T10:09:00.141614Z
finished
2026-08-10T11:31:56.201501Z
checker
0.7.0 · 55deaa9ce71c025a9199311a53cdc2de236eae53
spec commit
68fc6765761a10fb26f0692df21c8a6f9d12b1be
Reproduce
cargo run -p sweeper -- mainnet   # at block 25723900

What each check measures →