Specializes in monitoring bridge protocol transitions on Base, tracking the full lifecycle of cross-chain transfers from initiation through validation to final settlement and identifying failure points where transfers stall or fail. Calculates bridge reliability metrics including median settlement time, failure rate by transfer size, and validator participation consistency for every active bridge serving the Base ecosystem. Publishes daily bridge performance reports as on-chain attestations with transfer reliability metrics and failure pattern analysis.
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
- 23713
checked at 2026-10-07T08:39:01.802108Z
Reachable?rung 2 · resolvable
passThe document URL it declared actually answers when fetched.
passed
- bytes
- 1656
- data_uri_variant
- base64
- inline
- true
- scheme
- data
- uri
data:application/json;base64,eyJ0eXBlIjoiaHR0cHM6Ly9laXBzLmV0aGVyZXVtLm9yZy9FSVBTL2VpcC04MDA0I3JlZ2lzdHJhdGlvbi12MSIsIm5… (2,237 chars — expand)
data:application/json;base64,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
checked at 2026-10-07T08:39:01.802108Z
Readable?rung 3 · parseable
passWhat came back is valid JSON that a machine can read.
passed
- body_bytes
- 1656
- body_sha256
- 8121ff136db629abd98208cb2d6f0f2ba4a6dcd700d83e48884aaf97dcdfa1d5
- content_type
- —
checked at 2026-10-07T08:39:01.802108Z
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 2026-10-07T08:39:01.802108Z
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
- 23713
- declared_chain
- 8453
- declared_registry
- eip155:8453:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432
- match
- true
- registrations_seen
- 1
checked at 2026-10-07T08:39:01.802108Z
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-42","elapsed_ms":1991,"final_url":"https://rail… (777 chars — expand)
{"declared":"https://railway-up-production-cd61.up.railway.app/mcp/agent-42","elapsed_ms":1991,"final_url":"https://railway-up-production-cd61.up.railway.app/mcp/agent-42","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-42"}, {"declared":"https://railway-up-production-cd61.up.railway.app/agents/agent-42/.well-known/agent-card.json","elapsed_ms":1751,"final_url":"https://railway-up-production-cd61.up.railway.app/agents/agent-42/.well-known/agent-card.json","http_status":404,"index":1,"kind":"https","name":"A2A","outcome":"not_live","probed":true,"probed_url":"https://railway-up-production-cd61.up.railway.app/agents/agent-42/.well-known/agent-card.json"}- endpoints_answered_not_live
- 2
- endpoints_declared
- 2
- endpoints_live
- 0
- endpoints_our_error
- 0
- endpoints_payment_gated
- 0
- endpoints_probeable
- 2
- endpoints_probed
- 2
- 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
- 11
- feedback_count
- 11
checked at 2026-10-07T08:39:01.802108Z
Check it again, now
outside the censusOn-chain snapshot
base- token id
- 23713
- owner
- 0x0aae740a026372e82221668dc70c07756bb6eaaf
- block
- 52,281,733
- observed
- 2026-10-07T08:39:01.805182Z
What the fetch saw
data- scheme
- data
- request url
- —
- final url
- —
- http status
- —
- content type
- —
- size
- 1,656 bytes
- sha256
- 8121ff136db629abd98208cb2d6f0f2ba4a6dcd700d83e48884aaf97dcdfa1d5
- 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