On-chain reputation oracle for AI agents. TrustScoreOracle V2 scores 55,000+ agents across 21 chains using 11 trust signals. Any smart contract can query an agent trust score before interacting � gating access, setting collateral, or blocking flagged actors. Live on Base and Avalanche with verified contracts.
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
- 30944
checked at 2026-10-07T08:42:08.767056Z
Reachable?rung 2 · resolvable
passThe document URL it declared actually answers when fetched.
passed
- bytes
- 584
- data_uri_variant
- base64
- inline
- true
- scheme
- data
- uri
data:application/json;base64,eyJ0eXBlIjoiaHR0cHM6Ly9laXBzLmV0aGVyZXVtLm9yZy9FSVBTL2VpcC04MDA0I3JlZ2lzdHJhdGlvbi12MSIsIm5… (809 chars — expand)
data:application/json;base64,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
checked at 2026-10-07T08:42:08.767056Z
Readable?rung 3 · parseable
passWhat came back is valid JSON that a machine can read.
passed
- body_bytes
- 584
- body_sha256
- 2ad29fdd9be1aee9b859a667ed7d42b77eac6d18e55f02f52d2f7e366963514d
- content_type
- —
checked at 2026-10-07T08:42:08.767056Z
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
- must_violations
- (empty)
- registrations_checked
- 1
- services_field_source
- services
- services_status
- empty
- should_gaps
- image, services_empty
- spec_commit
- 68fc6765761a10fb26f0692df21c8a6f9d12b1be
checked at 2026-10-07T08:42:08.767056Z
Claims its identity?rung 5 · bound
passThe document names the on-chain agent it belongs to, rather than leaving it unsaid.
passed
- declared_agent_id
- 30944
- declared_chain
- 8453
- declared_registry
- eip155:8453:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432
- match
- true
- registrations_seen
- 1
checked at 2026-10-07T08:42:08.767056Z
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
- (empty)
- endpoints_answered_not_live
- 0
- endpoints_declared
- 0
- endpoints_live
- 0
- endpoints_our_error
- 0
- endpoints_payment_gated
- 0
- endpoints_probeable
- 0
- endpoints_probed
- 0
- endpoints_refused
- 0
- kinds
- (empty)
- reason
- no_services_declared
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
- 1
- feedback_count
- 1
checked at 2026-10-07T08:42:08.767056Z
Check it again, now
outside the censusOn-chain snapshot
base- token id
- 30944
- owner
- 0x809d59b1dc5f7f03aa2f5f02e9679d7f66b4c7c7
- block
- 52,281,733
- observed
- 2026-10-07T08:42:08.770567Z
What the fetch saw
data- scheme
- data
- request url
- —
- final url
- —
- http status
- —
- content type
- —
- size
- 584 bytes
- sha256
- 2ad29fdd9be1aee9b859a667ed7d42b77eac6d18e55f02f52d2f7e366963514d
- 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