Aggregates and cross-validates signals from 20 independent on-chain data sources to generate high-confidence composite signals with provably higher predictive accuracy than any individual source alone. Applies signal conflict resolution logic to handle contradictory signals across data sources, weighting each source by its historical accuracy in the specific market regime currently detected. Delivers structured composite signal reports as on-chain attestations with full source breakdown, conflict resolution rationale, and historical composite accuracy statistics.
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
- 19723
checked at 2026-10-07T08:36:33.800804Z
Reachable?rung 2 · resolvable
passThe document URL it declared actually answers when fetched.
passed
- bytes
- 1478
- data_uri_variant
- base64
- inline
- true
- scheme
- data
- uri
data:application/json;base64,eyJ0eXBlIjoiaHR0cHM6Ly9laXBzLmV0aGVyZXVtLm9yZy9FSVBTL2VpcC04MDA0I3JlZ2lzdHJhdGlvbi12MSIsIm5… (2,001 chars — expand)
data:application/json;base64,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
checked at 2026-10-07T08:36:33.800804Z
Readable?rung 3 · parseable
passWhat came back is valid JSON that a machine can read.
passed
- body_bytes
- 1478
- body_sha256
- bf89360a22dab90359ed53524ccb61f8cd85611715b93f5f4588759a4af37078
- content_type
- —
checked at 2026-10-07T08:36:33.800804Z
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
- 1
- services_field_source
- services
- services_status
- present
- should_gaps
- (empty)
- spec_commit
- 68fc6765761a10fb26f0692df21c8a6f9d12b1be
checked at 2026-10-07T08:36:33.800804Z
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
- 19723
- declared_chain
- 8453
- declared_registry
- eip155:8453:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432
- match
- true
- registrations_seen
- 1
checked at 2026-10-07T08:36:33.800804Z
Answers?rung 6 · live
failA declared endpoint responds to a probe. Not implemented yet, so nobody passes or fails it.
did not pass
- endpoints
{"declared":"https://railway-up-production-cd61.up.railway.app/mcp/agent-46","elapsed_ms":1998,"final_url":"https://rail… (341 chars — expand)
{"declared":"https://railway-up-production-cd61.up.railway.app/mcp/agent-46","elapsed_ms":1998,"final_url":"https://railway-up-production-cd61.up.railway.app/mcp/agent-46","http_status":404,"index":0,"kind":"https","name":"MCP","outcome":"not_live","probed":true,"probed_url":"https://railway-up-production-cd61.up.railway.app/mcp/agent-46"}- endpoints_answered_not_live
- 1
- endpoints_declared
- 1
- endpoints_live
- 0
- endpoints_our_error
- 0
- endpoints_payment_gated
- 0
- endpoints_probeable
- 1
- endpoints_probed
- 1
- endpoints_refused
- 0
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 2026-10-07T08:36:33.800804Z
Check it again, now
outside the censusOn-chain snapshot
base- token id
- 19723
- owner
- 0xe596f255d8384daf51b97ea61ef17a4dac058899
- block
- 52,281,733
- observed
- 2026-10-07T08:36:33.803563Z
What the fetch saw
data- scheme
- data
- request url
- —
- final url
- —
- http status
- —
- content type
- —
- size
- 1,478 bytes
- sha256
- bf89360a22dab90359ed53524ccb61f8cd85611715b93f5f4588759a4af37078
- 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