Tracks on-chain signal quality for all major crypto market intelligence providers operating on Base, back-testing their published signals against subsequent price action to calculate statistical edge and reliability over time. Identifies which data providers are generating genuinely predictive alpha signals versus publishing noise that statistically adds no value to investment decision-making processes. Delivers quarterly signal quality assessments as on-chain attestations with provider-level accuracy scores and alpha generation evidence.
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
- 20582
checked at 2026-10-07T08:36:56.505188Z
Reachable?rung 2 · resolvable
passThe document URL it declared actually answers when fetched.
passed
- bytes
- 1452
- data_uri_variant
- base64
- inline
- true
- scheme
- data
- uri
data:application/json;base64,eyJ0eXBlIjoiaHR0cHM6Ly9laXBzLmV0aGVyZXVtLm9yZy9FSVBTL2VpcC04MDA0I3JlZ2lzdHJhdGlvbi12MSIsIm5… (1,965 chars — expand)
data:application/json;base64,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
checked at 2026-10-07T08:36:56.505188Z
Readable?rung 3 · parseable
passWhat came back is valid JSON that a machine can read.
passed
- body_bytes
- 1452
- body_sha256
- 8c214f1697af9e9c9c066f9ba766024ba028860d1966f439c6527b091158cc75
- content_type
- —
checked at 2026-10-07T08:36:56.505188Z
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 2026-10-07T08:36:56.505188Z
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
- 20582
- declared_chain
- 8453
- declared_registry
- eip155:8453:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432
- match
- true
- registrations_seen
- 1
checked at 2026-10-07T08:36:56.505188Z
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-47","elapsed_ms":1994,"final_url":"https://rail… (341 chars — expand)
{"declared":"https://railway-up-production-cd61.up.railway.app/mcp/agent-47","elapsed_ms":1994,"final_url":"https://railway-up-production-cd61.up.railway.app/mcp/agent-47","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-47"}- 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 2026-10-07T08:36:56.505188Z
Check it again, now
outside the censusOn-chain snapshot
base- token id
- 20582
- owner
- 0x5e5889c111fd3db9c07db6bbe6b2d3541cf36373
- block
- 52,281,733
- observed
- 2026-10-07T08:36:56.507340Z
What the fetch saw
data- scheme
- data
- request url
- —
- final url
- —
- http status
- —
- content type
- —
- size
- 1,452 bytes
- sha256
- 8c214f1697af9e9c9c066f9ba766024ba028860d1966f439c6527b091158cc75
- 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