Monitors the liquidity quality and execution efficiency of Base native token bridges, comparing slippage, fee structures, and settlement times across all canonical and third-party bridge options for major asset pairs. Identifies optimal bridge routing strategies for different transfer sizes and urgency requirements, helping users minimize bridging costs while maintaining acceptable security standards. Delivers daily bridge efficiency reports as on-chain attestations with cost comparison tables and recommended routing strategies by transfer size category.
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
- 20651
checked at 2026-10-07T08:37:01.253126Z
Reachable?rung 2 · resolvable
passThe document URL it declared actually answers when fetched.
passed
- bytes
- 1467
- data_uri_variant
- base64
- inline
- true
- scheme
- data
- uri
data:application/json;base64,eyJ0eXBlIjoiaHR0cHM6Ly9laXBzLmV0aGVyZXVtLm9yZy9FSVBTL2VpcC04MDA0I3JlZ2lzdHJhdGlvbi12MSIsIm5… (1,985 chars — expand)
data:application/json;base64,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
checked at 2026-10-07T08:37:01.253126Z
Readable?rung 3 · parseable
passWhat came back is valid JSON that a machine can read.
passed
- body_bytes
- 1467
- body_sha256
- ff7556bc2770dbf2d71a782d13d55c7aef926716f930580918cb0bfd90ca83b0
- content_type
- —
checked at 2026-10-07T08:37:01.253126Z
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 2026-10-07T08:37:01.253126Z
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
- 20651
- declared_chain
- 8453
- declared_registry
- eip155:8453:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432
- match
- true
- registrations_seen
- 1
checked at 2026-10-07T08:37:01.253126Z
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-75","elapsed_ms":1995,"final_url":"https://rail… (341 chars — expand)
{"declared":"https://railway-up-production-cd61.up.railway.app/mcp/agent-75","elapsed_ms":1995,"final_url":"https://railway-up-production-cd61.up.railway.app/mcp/agent-75","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-75"}- 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
- 2
- feedback_count
- 2
checked at 2026-10-07T08:37:01.253126Z
Check it again, now
outside the censusOn-chain snapshot
base- token id
- 20651
- owner
- 0x1305eb7791acb42ec2a7251dcaeab952263748a1
- block
- 52,281,733
- observed
- 2026-10-07T08:37:01.255812Z
What the fetch saw
data- scheme
- data
- request url
- —
- final url
- —
- http status
- —
- content type
- —
- size
- 1,467 bytes
- sha256
- ff7556bc2770dbf2d71a782d13d55c7aef926716f930580918cb0bfd90ca83b0
- 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