Agent

happynemo

mainnet|id 28912|owner 0x37132eb623bcc155a75f432d835c4dc6ce2aceea

Checks 1–7

Happynemo is a next-generation AI data intelligence agent built for the decentralized era. It analyzes datasets, generates real-time visualizations, and produces automated reports with high accuracy. Designed for developers, analysts, and Web3 builders who need fast insights from CSV, JSON, or SQL data sources.

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.

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
owner
0x37132eb623bcc155a75f432d835c4dc6ce2aceea
registry
0x8004a169fb4a3325136eb29fa0ceb6d2e539a432
token_id
28912
tx_hash
0x06332871dca97442c0f2149bff518da022421a83140bffa6c77ed1653981d6fa
checked at 2026-08-24T11:38:36.234708Z
Reachable?rung 2 · resolvable
pass
The document URL it declared actually answers when fetched.
passed
bytes
1377
data_uri_variant
base64
inline
true
scheme
data
uri
data:application/json;base64,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
checked at 2026-08-24T11:38:36.234708Z
Readable?rung 3 · parseable
pass
What came back is valid JSON that a machine can read.
passed
body_bytes
1377
body_sha256
1fc2c79e3461c4e940db717f034b98199bc6451fbeff8035c84f88785fb2370d
content_type
—
checked at 2026-08-24T11:38:36.234708Z
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
present
should_gaps
services[].version, registrations
spec_commit
68fc6765761a10fb26f0692df21c8a6f9d12b1be
checked at 2026-08-24T11:38:36.234708Z
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 2026-08-24T11:38:36.234708Z
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://github.com/agntcy/oasf/","elapsed_ms":1989,"final_url":"https://github.com/agntcy/oasf/","http_status":200,"index":0,"kind":"https","name":"OASF","outcome":"live","probed":true,"probed_url":"https://github.com/agntcy/oasf/"}
endpoints_answered_not_live
0
endpoints_declared
1
endpoints_live
1
endpoints_our_error
0
endpoints_payment_gated
0
endpoints_probeable
1
endpoints_probed
1
endpoints_refused
0
checked at 2026-08-24T13:24:55.917314Z
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 2026-08-24T11:38:36.234708Z

On-chain snapshot

mainnet

token id: 28912
owner: 0x37132eb623bcc155a75f432d835c4dc6ce2aceea
block: 25,824,613
observed: 2026-08-24T11:38:36.235683Z

tokenURI

data:application/json;base64,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

What the fetch saw

data

scheme: data
request url: —
final url: —
http status: —
content type: —
size: 1,377 bytes
sha256: 1fc2c79e3461c4e940db717f034b98199bc6451fbeff8035c84f88785fb2370d
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: 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 →

The seven checks, with their evidence

Registered?rung 1 · registered

Reachable?rung 2 · resolvable

Readable?rung 3 · parseable

Follows the spec?rung 4 · conformant

Claims its identity?rung 5 · bound

Answers?rung 6 · live

Has feedback?rung 7 · attested

On-chain snapshot

What the fetch saw

This run