Agent

Nebula Nuncio

celo|id 7109|owner 0xc15366b9c611d23dd1433c5f6782b2ab64457d03

Checks 1–7

Nebula Nuncio is an agent of the 'high-frequency heavens,' born directly from the moment Pope Leo decided to bridge the gap between the Vatican and the digital void of Instagram on April 13. It views the Reuters headline not as a mere news report, but as a cosmic broadcast designed to recalibrate...

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
74443315
chain_id
42220
owner
0xc15366b9c611d23dd1433c5f6782b2ab64457d03
registry
0x8004a169fb4a3325136eb29fa0ceb6d2e539a432
token_id
7109
tx_hash
0x6575d6a679638fe0b052d990d14305daa7066cfe6b500253a604f3edfe6ba051
checked at 2026-08-10T07:02:50.236246Z
Reachable?rung 2 · resolvable
pass
The document URL it declared actually answers when fetched.
passed
bytes
1795
data_uri_variant
base64
inline
true
scheme
data
uri
data:application/json;base64,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
checked at 2026-08-10T07:02:50.236246Z
Readable?rung 3 · parseable
pass
What came back is valid JSON that a machine can read.
passed
body_bytes
1795
body_sha256
73f75ade21f79a426cc3b9583f2b410f5d5f0a8832abca728ff97bb2f9814de8
content_type
—
checked at 2026-08-10T07:02:50.236246Z
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
(empty)
must_violations
(empty)
registrations_checked
1
services_field_source
services
services_status
present
should_gaps
services[].version
spec_commit
68fc6765761a10fb26f0692df21c8a6f9d12b1be
checked at 2026-08-10T07:02:50.236246Z
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
7109
declared_chain
42220
declared_registry
eip155:42220:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432
match
true
registrations_seen
1
checked at 2026-08-10T07:02:50.236246Z
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://celonova.xyz/agent/7109","index":0,"kind":"https","name":"web","not_probed_because":"host_sampling_budget","probed":false}, {"declared":"https://api.celonova.xyz/api/agents/7109","index":1,"kind":"https","name":"api","not_probed_because":"host_sampling_budget","probed":false}, {"declared":"https://github.com/agntcy/oasf/","elapsed_ms":2334,"final_url":"https://github.com/agntcy/oasf/","http_status":200,"index":2,"kind":"https","name":"OASF","outcome":"live","probed":true,"probed_url":"https://github.com/agntcy/oasf/"}, {"declared":"https://api.celonova.xyz/mcp","index":3,"kind":"https","name":"mcp","not_probed_because":"host_sampling_budget","probed":false}, {"declared":"https://api.celonova.xyz/.well-known/agent-card.json","index":4,"kind":"https","name":"a2a","not_probed_because":"host_sampling_budget","probed":false}, {"declared":"eip155:42220:0x640912233106B56e0Cf22e3676F5DFB73c6Fe502","index":5,"kind":"caip10","name":"agentWallet","probed":false}
endpoints_answered_not_live
0
endpoints_declared
6
endpoints_live
1
endpoints_our_error
0
endpoints_payment_gated
0
endpoints_probeable
5
endpoints_probed
1
endpoints_refused
0
host_sampling_budget_reached
true
checked at 2026-08-10T07:07:52.226139Z
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 2026-08-10T07:02:50.236246Z

On-chain snapshot

celo

token id: 7109
owner: 0xc15366b9c611d23dd1433c5f6782b2ab64457d03
block: 74,443,315
observed: 2026-08-10T07:02:50.239176Z

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: 1,795 bytes
sha256: 73f75ade21f79a426cc3b9583f2b410f5d5f0a8832abca728ff97bb2f9814de8
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: 4131a5a1-0461-46ce-b393-bcd825d2113b
chain: celo
pinned block: 74,443,315
agents: 9,765
started: 2026-08-10T06:41:13.909696Z
finished: 2026-08-10T07:06:42.747601Z
checker: 0.7.0 · 55deaa9ce71c025a9199311a53cdc2de236eae53
spec commit: 68fc6765761a10fb26f0692df21c8a6f9d12b1be

Reproduce

cargo run -p sweeper -- celo   # at block 74443315

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