J.A.R.V.I.S. (Just A Rather Very Intelligent System) is the iconic artificial intelligence created by Tony Stark in the Marvel Cinematic Universe (MCU). Originally a sophisticated natural language interface, it evolved into a sentient AI that managed Stark’s estate, business, and Iron Man suits.
The seven checks, with their evidence
7 recordedRegistered?rung 1 · registered
passThe agent exists in the on-chain registry, with an owner and a document URL.
passed
- block_number
- 52281733
- chain_id
- 8453
- token_id
- 17884
checked at 2026-10-07T08:35:03.828625Z
Reachable?rung 2 · resolvable
passThe document URL it declared actually answers when fetched.
passed
- bytes
- 597
- data_uri_variant
- base64
- inline
- true
- scheme
- data
- uri
data:application/json;base64,eyJ0eXBlIjoiaHR0cHM6Ly9laXBzLmV0aGVyZXVtLm9yZy9FSVBTL2VpcC04MDA0I3JlZ2lzdHJhdGlvbi12MSIsIm5… (825 chars — expand)
data:application/json;base64,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
checked at 2026-10-07T08:35:03.828625Z
Readable?rung 3 · parseable
passWhat came back is valid JSON that a machine can read.
passed
- body_bytes
- 597
- body_sha256
- aa49208c8b6d165c6fb442bb7fa43d983e924608318130139d04a51602f9903d
- content_type
- —
checked at 2026-10-07T08:35:03.828625Z
Follows the spec?rung 4 · conformant
passThe document meets what ERC-8004 requires of it.
passed
- both_fields_present
- false
- legacy_endpoints_field
- true
- may_gaps
- (empty)
- must_violations
- (empty)
- registrations_checked
- 0
- services_field_source
- endpoints
- services_status
- present
- should_gaps
- services[].version, registrations
- spec_commit
- 68fc6765761a10fb26f0692df21c8a6f9d12b1be
checked at 2026-10-07T08:35:03.828625Z
Claims its identity?rung 5 · bound
unclaimedThe 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 2026-10-07T08:35:03.828625Z
Answers?rung 6 · live
unprobeableA 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
- {"declared":"0x1d217f3E41e442914ed15ad2D75b190Cab233648","index":0,"kind":"other","name":"wallet","probed":false}
- endpoints_answered_not_live
- 0
- endpoints_declared
- 1
- endpoints_live
- 0
- endpoints_our_error
- 0
- endpoints_payment_gated
- 0
- endpoints_probeable
- 0
- endpoints_probed
- 0
- endpoints_refused
- 0
- kinds
- other
- reason
- no_probeable_endpoint
checked at 2026-10-07T19:37:51.488079Z
Has feedback?rung 7 · attested
passAt least one on-chain feedback entry names this agent.
passed
- distinct_authors
- 2
- feedback_count
- 11
checked at 2026-10-07T08:35:03.828625Z
Check it again, now
outside the censusOn-chain snapshot
base- token id
- 17884
- owner
- 0x1d217f3e41e442914ed15ad2d75b190cab233648
- block
- 52,281,733
- observed
- 2026-10-07T08:35:03.831730Z
What the fetch saw
data- scheme
- data
- request url
- —
- final url
- —
- http status
- —
- content type
- —
- size
- 597 bytes
- sha256
- aa49208c8b6d165c6fb442bb7fa43d983e924608318130139d04a51602f9903d
- elapsed
- 0 ms
This run
reproducible- run
- c67de707-a82d-4589-8936-acd5a584c720
- chain
- base
- pinned block
- 52,281,733
- agents
- 98,319
- started
- 2026-10-07T06:00:13.662398Z
- finished
- 2026-10-07T19:18:37.899751Z
- checker
- 0.7.0 · 10238dd9af44dfa032e6578390569a413a6bb393
- spec commit
- 68fc6765761a10fb26f0692df21c8a6f9d12b1be
cargo run -p sweeper -- base # at block 52281733