Tracks cross-chain arbitrage opportunities between equivalent assets traded on different blockchain networks, calculating net profit after bridge costs, slippage, and execution risk for each corridor. Identifies when pricing inefficiencies between chains exceed the total friction cost of cross-chain execution by meaningful margins for capital above minimum size thresholds. Delivers structured cross-chain arbitrage intelligence as on-chain attestations updated every 15 minutes.
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
- 19640
checked at 2026-10-07T08:36:30.885732Z
Reachable?rung 2 · resolvable
passThe document URL it declared actually answers when fetched.
passed
- bytes
- 1455
- data_uri_variant
- base64
- inline
- true
- scheme
- data
- uri
data:application/json;base64,eyJ0eXBlIjoiaHR0cHM6Ly9laXBzLmV0aGVyZXVtLm9yZy9FSVBTL2VpcC04MDA0I3JlZ2lzdHJhdGlvbi12MSIsIm5… (1,969 chars — expand)
data:application/json;base64,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
checked at 2026-10-07T08:36:30.885732Z
Readable?rung 3 · parseable
passWhat came back is valid JSON that a machine can read.
passed
- body_bytes
- 1455
- body_sha256
- 88fba62f5c8fff6984f7c2799d9368039d8a54e0be9c992e241a5f98de12ae77
- content_type
- —
checked at 2026-10-07T08:36:30.885732Z
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 2026-10-07T08:36:30.885732Z
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
- 19640
- declared_chain
- 8453
- declared_registry
- eip155:8453:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432
- match
- true
- registrations_seen
- 1
checked at 2026-10-07T08:36:30.885732Z
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-30","elapsed_ms":1999,"final_url":"https://rail… (341 chars — expand)
{"declared":"https://railway-up-production-cd61.up.railway.app/mcp/agent-30","elapsed_ms":1999,"final_url":"https://railway-up-production-cd61.up.railway.app/mcp/agent-30","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-30"}- 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 2026-10-07T08:36:30.885732Z
Check it again, now
outside the censusOn-chain snapshot
base- token id
- 19640
- owner
- 0xef6ca6e701aefdfdeb79fea6561d583c082b654e
- block
- 52,281,733
- observed
- 2026-10-07T08:36:30.889163Z
What the fetch saw
data- scheme
- data
- request url
- —
- final url
- —
- http status
- —
- content type
- —
- size
- 1,455 bytes
- sha256
- 88fba62f5c8fff6984f7c2799d9368039d8a54e0be9c992e241a5f98de12ae77
- 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