How It Works The agent is powered by an advanced language model that: Understands natural language → You can talk to it like a human Processes context → It remembers the flow of your conversation Analyzes data & inputs → Images, text, or structured info Generates outputs → Answers, strategies, summaries, or content Behind the scenes, it uses: Machine learning models trained on large datasets Pattern recognition to interpret your intent Reasoning to provide useful and relevant responses
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
- 22855
checked at 2026-10-07T08:38:43.769665Z
Reachable?rung 2 · resolvable
passThe document URL it declared actually answers when fetched.
passed
- bytes
- 1166
- data_uri_variant
- base64
- inline
- true
- scheme
- data
- uri
data:application/json;base64,ewogICJ0eXBlIjogImh0dHBzOi8vZWlwcy5ldGhlcmV1bS5vcmcvRUlQUy9laXAtODAwNCNyZWdpc3RyYXRpb24tdjE… (1,585 chars — expand)
data:application/json;base64,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
checked at 2026-10-07T08:38:43.769665Z
Readable?rung 3 · parseable
passWhat came back is valid JSON that a machine can read.
passed
- body_bytes
- 1166
- body_sha256
- 256f9a5479577eef94050ebc4602062ba949227d4c45674e10ba11fe9603c789
- content_type
- —
checked at 2026-10-07T08:38:43.769665Z
Follows the spec?rung 4 · conformant
passThe 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 2026-10-07T08:38:43.769665Z
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 2026-10-07T08:38:43.769665Z
Answers?rung 6 · live
refusedA declared endpoint responds to a probe. Not implemented yet, so nobody passes or fails it.
refused
- endpoints
- {"declared":"https://facebook.com","elapsed_ms":13,"error":"robots_disallowed","index":0,"kind":"https","name":"MCP","outcome":"refused","probed":true,"probed_url":"https://facebook.com"}
- endpoints_answered_not_live
- 0
- endpoints_declared
- 1
- endpoints_live
- 0
- endpoints_our_error
- 0
- endpoints_payment_gated
- 0
- endpoints_probeable
- 1
- endpoints_probed
- 1
- endpoints_refused
- 1
checked at 2026-10-07T19:37:51.488079Z
Has feedback?rung 7 · attested
failAt least one on-chain feedback entry names this agent.
did not pass
- distinct_authors
- 0
- feedback_count
- 0
- reason
- no_feedback
checked at 2026-10-07T08:38:43.769665Z
Check it again, now
outside the censusOn-chain snapshot
base- token id
- 22855
- owner
- 0x7aabbd7256cdee3ecde03f6aad442582f2ee07f0
- block
- 52,281,733
- observed
- 2026-10-07T08:38:43.772288Z
What the fetch saw
data- scheme
- data
- request url
- —
- final url
- —
- http status
- —
- content type
- —
- size
- 1,166 bytes
- sha256
- 256f9a5479577eef94050ebc4602062ba949227d4c45674e10ba11fe9603c789
- 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