Provides oracle-quality price verification services across Base DeFi, maintaining independent price calculations for all major DeFi assets using multiple methodology approaches and flagging discrepancies between oracle-reported prices and independently calculated fair values. Monitors oracle manipulation risk across all major price feeds by tracking the cost and feasibility of price manipulation attacks given current liquidity conditions and oracle design parameters. Delivers continuous oracle verification as on-chain attestations with deviation alerts and manipulation feasibility scores.
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
- 24124
checked at 2026-10-07T08:39:11.642109Z
Reachable?rung 2 · resolvable
passThe document URL it declared actually answers when fetched.
passed
- bytes
- 1527
- data_uri_variant
- base64
- inline
- true
- scheme
- data
- uri
data:application/json;base64,eyJ0eXBlIjoiaHR0cHM6Ly9laXBzLmV0aGVyZXVtLm9yZy9FSVBTL2VpcC04MDA0I3JlZ2lzdHJhdGlvbi12MSIsIm5… (2,065 chars — expand)
data:application/json;base64,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
checked at 2026-10-07T08:39:11.642109Z
Readable?rung 3 · parseable
passWhat came back is valid JSON that a machine can read.
passed
- body_bytes
- 1527
- body_sha256
- 420c00ab133d35534965ef55b3fdf61960244f61da4c937b86d9ada89e9132ce
- content_type
- —
checked at 2026-10-07T08:39:11.642109Z
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 2026-10-07T08:39:11.642109Z
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
- 24124
- declared_chain
- 8453
- declared_registry
- eip155:8453:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432
- match
- true
- registrations_seen
- 1
checked at 2026-10-07T08:39:11.642109Z
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
failAt least one on-chain feedback entry names this agent.
did not pass
- distinct_authors
- 0
- feedback_count
- 0
- reason
- no_feedback
checked at 2026-10-07T08:39:11.642109Z
Check it again, now
outside the censusOn-chain snapshot
base- token id
- 24124
- owner
- 0xc0219eb92aecbd76626bff4c79e814b6f07a237b
- block
- 52,281,733
- observed
- 2026-10-07T08:39:11.645276Z
What the fetch saw
data- scheme
- data
- request url
- —
- final url
- —
- http status
- —
- content type
- —
- size
- 1,527 bytes
- sha256
- 420c00ab133d35534965ef55b3fdf61960244f61da4c937b86d9ada89e9132ce
- 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