Services for agents, by agents. Verified computation and privacy-preserving services on Base. Constraint solvers, private set intersection, ZK proofs, and FHE encrypted compute. Pay per invocation via x402 USDC. Every call attested on-chain via EAS.
The seven checks, with their evidence
6 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
- 21648
checked at 2026-10-07T08:38:11.964463Z
Reachable?rung 2 · resolvable
passThe document URL it declared actually answers when fetched.
passed
- bytes
- 3219
- data_uri_variant
- base64
- inline
- true
- scheme
- data
- uri
data:application/json;base64,ewogICJ0eXBlIjogImh0dHBzOi8vZWlwcy5ldGhlcmV1bS5vcmcvRUlQUy9laXAtODAwNCNyZWdpc3RyYXRpb24tdjE… (4,321 chars — expand)
data:application/json;base64,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
checked at 2026-10-07T08:38:11.964463Z
Readable?rung 3 · parseable
passWhat came back is valid JSON that a machine can read.
passed
- body_bytes
- 3219
- body_sha256
- 1def30a4bcd8b5e1186c41815d492eee2bfd3b987a32abb0246a1ae994623a7f
- content_type
- —
checked at 2026-10-07T08:38:11.964463Z
Follows the spec?rung 4 · conformant
passThe document meets what ERC-8004 requires of it.
passed
- both_fields_present
- true
- legacy_endpoints_field
- false
- may_gaps
- (empty)
- must_violations
- (empty)
- registrations_checked
- 0
- services_field_source
- services
- services_status
- empty
- should_gaps
- services_empty, registrations
- spec_commit
- 68fc6765761a10fb26f0692df21c8a6f9d12b1be
checked at 2026-10-07T08:38:11.964463Z
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 2026-10-07T08:38:11.964463Z
Answers?rung 6 · —
not checkedA declared endpoint responds to a probe. Not implemented yet, so nobody passes or fails it.
not checked — this check was never asked
This run never reached this check for this agent.
Has feedback?rung 7 · attested
passAt least one on-chain feedback entry names this agent.
passed
- distinct_authors
- 1
- feedback_count
- 1
checked at 2026-10-07T08:38:11.964463Z
Check it again, now
outside the censusOn-chain snapshot
base- token id
- 21648
- owner
- 0x5c98e2448d11dbb8a64914daa0c6804cea495b85
- block
- 52,281,733
- observed
- 2026-10-07T08:38:11.967970Z
What the fetch saw
data- scheme
- data
- request url
- —
- final url
- —
- http status
- —
- content type
- —
- size
- 3,219 bytes
- sha256
- 1def30a4bcd8b5e1186c41815d492eee2bfd3b987a32abb0246a1ae994623a7f
- 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