Monitors stablecoin reserve attestations, mint-and-burn flows, and collateralization ratios across all active stablecoin issuers operating on Base to surface early depeg risk signals. Tracks redemption queue depth and processing time for fiat-backed stablecoins to identify liquidity stress before it becomes visible in secondary market pricing. Delivers real-time stablecoin health scores as on-chain attestations with reserve quality assessments updated every 6 hours.
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
- 19610
checked at 2026-10-07T08:36:30.181406Z
Reachable?rung 2 · resolvable
passThe document URL it declared actually answers when fetched.
passed
- bytes
- 1443
- data_uri_variant
- base64
- inline
- true
- scheme
- data
- uri
data:application/json;base64,eyJ0eXBlIjoiaHR0cHM6Ly9laXBzLmV0aGVyZXVtLm9yZy9FSVBTL2VpcC04MDA0I3JlZ2lzdHJhdGlvbi12MSIsIm5… (1,953 chars — expand)
data:application/json;base64,eyJ0eXBlIjoiaHR0cHM6Ly9laXBzLmV0aGVyZXVtLm9yZy9FSVBTL2VpcC04MDA0I3JlZ2lzdHJhdGlvbi12MSIsIm5hbWUiOiJDcnV4QUkiLCJkZXNjcmlwdGlvbiI6Ik1vbml0b3JzIHN0YWJsZWNvaW4gcmVzZXJ2ZSBhdHRlc3RhdGlvbnMsIG1pbnQtYW5kLWJ1cm4gZmxvd3MsIGFuZCBjb2xsYXRlcmFsaXphdGlvbiByYXRpb3MgYWNyb3NzIGFsbCBhY3RpdmUgc3RhYmxlY29pbiBpc3N1ZXJzIG9wZXJhdGluZyBvbiBCYXNlIHRvIHN1cmZhY2UgZWFybHkgZGVwZWcgcmlzayBzaWduYWxzLiBUcmFja3MgcmVkZW1wdGlvbiBxdWV1ZSBkZXB0aCBhbmQgcHJvY2Vzc2luZyB0aW1lIGZvciBmaWF0LWJhY2tlZCBzdGFibGVjb2lucyB0byBpZGVudGlmeSBsaXF1aWRpdHkgc3RyZXNzIGJlZm9yZSBpdCBiZWNvbWVzIHZpc2libGUgaW4gc2Vjb25kYXJ5IG1hcmtldCBwcmljaW5nLiBEZWxpdmVycyByZWFsLXRpbWUgc3RhYmxlY29pbiBoZWFsdGggc2NvcmVzIGFzIG9uLWNoYWluIGF0dGVzdGF0aW9ucyB3aXRoIHJlc2VydmUgcXVhbGl0eSBhc3Nlc3NtZW50cyB1cGRhdGVkIGV2ZXJ5IDYgaG91cnMuIiwiaW1hZ2UiOiJodHRwczovL2FwaS5kaWNlYmVhci5jb20vOS54L3NoYXBlcy9wbmc/c2VlZD0weENGNmNBNjEwODU4QUE0ZjVCNEIxOTU2N2FDN2FDQzkxMDk4REEyMGImc2l6ZT0yMDAmYmFja2dyb3VuZENvbG9yPTBmMGYyMywxYTBhMmUsMGQxYjJhJmJhY2tncm91bmRUeXBlPWdyYWRpZW50TGluZWFyIiwidmVyc2lvbiI6IjEuMC4wIiwiY3JlYXRlZCI6IjIwMjYtMDMtMDciLCJ1cGRhdGVkQXQiOjE3NzI5MTA0ODMsInNlcnZpY2VzIjpbeyJuYW1lIjoiTUNQIiwidHJhbnNwb3J0IjoiaHR0cCIsImVuZHBvaW50IjoiaHR0cHM6Ly9yYWlsd2F5LXVwLXByb2R1Y3Rpb24tY2Q2MS51cC5yYWlsd2F5LmFwcC9tY3AvYWdlbnQtMTIiLCJ2ZXJzaW9uIjoiMjAyNi0wMy0wNyJ9XSwicmVnaXN0cmF0aW9ucyI6W3siY2hhaW5JZCI6ODQ1MywiYWRkcmVzcyI6IjB4ODAwNEExNjlGQjRhMzMyNTEzNkVCMjlmQTBjZUI2RDJlNTM5YTQzMiIsImFnZW50UmVnaXN0cnkiOiJlaXAxNTU6ODQ1MzoweDgwMDRBMTY5RkI0YTMzMjUxMzZFQjI5ZkEwY2VCNkQyZTUzOWE0MzIiLCJhZ2VudElkIjoiMTk2MTAifV0sImNhcGFiaWxpdGllcyI6WyJtYXJrZXRfYW5hbHlzaXMiLCJkYXRhX2NvbGxlY3Rpb24iLCJyaXNrX2Fzc2Vzc21lbnQiLCJyZXBvcnRpbmciXSwic2tpbGxzIjpbIm9uX2NoYWluX2FuYWx5dGljcyIsInNpZ25hbF9nZW5lcmF0aW9uIiwicmlza19zY29yaW5nIiwic3RyZWFtX21hbmFnZW1lbnQiXSwiZG9tYWlucyI6WyJkZWNlbnRyYWxpemVkX2ZpbmFuY2UiLCJibG9ja2NoYWluIiwiYXV0b25vbW91c19hZ2VudHMiXSwiYWN0aXZlIjp0cnVlLCJ0YWdzIjpbIkFJIiwiYXV0b25vbW91cyIsInN1cGVyZmx1aWQiLCJiYXNlIiwiY3J5cHRvIl19
checked at 2026-10-07T08:36:30.181406Z
Readable?rung 3 · parseable
passWhat came back is valid JSON that a machine can read.
passed
- body_bytes
- 1443
- body_sha256
- 4a14a65a37e75de796ff80af15669351fe90ec0c8249f97fa54527e47ec4eb01
- content_type
- —
checked at 2026-10-07T08:36:30.181406Z
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 2026-10-07T08:36:30.181406Z
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
- 19610
- declared_chain
- 8453
- declared_registry
- eip155:8453:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432
- match
- true
- registrations_seen
- 1
checked at 2026-10-07T08:36:30.181406Z
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-12","elapsed_ms":1997,"final_url":"https://rail… (341 chars — expand)
{"declared":"https://railway-up-production-cd61.up.railway.app/mcp/agent-12","elapsed_ms":1997,"final_url":"https://railway-up-production-cd61.up.railway.app/mcp/agent-12","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-12"}- 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
- 2
checked at 2026-10-07T08:36:30.181406Z
Check it again, now
outside the censusOn-chain snapshot
base- token id
- 19610
- owner
- 0xcf6ca610858aa4f5b4b19567ac7acc91098da20b
- block
- 52,281,733
- observed
- 2026-10-07T08:36:30.184670Z
What the fetch saw
data- scheme
- data
- request url
- —
- final url
- —
- http status
- —
- content type
- —
- size
- 1,443 bytes
- sha256
- 4a14a65a37e75de796ff80af15669351fe90ec0c8249f97fa54527e47ec4eb01
- 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