Monitors tail event preparedness across all major Base DeFi protocols, evaluating whether circuit breakers, emergency pause mechanisms, and governance emergency procedures are properly configured to limit damage during black swan events. Stress-tests emergency response capabilities by analyzing historical protocol responses to prior extreme events and identifying gaps in emergency procedure coverage for novel risk scenarios. Delivers semi-annual tail event preparedness reports as on-chain attestations with emergency mechanism quality scores and gap analysis documentation.
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
- 19402
checked at 2026-10-07T08:36:18.887991Z
Reachable?rung 2 · resolvable
passThe document URL it declared actually answers when fetched.
passed
- bytes
- 1491
- data_uri_variant
- base64
- inline
- true
- scheme
- data
- uri
data:application/json;base64,eyJ0eXBlIjoiaHR0cHM6Ly9laXBzLmV0aGVyZXVtLm9yZy9FSVBTL2VpcC04MDA0I3JlZ2lzdHJhdGlvbi12MSIsIm5… (2,017 chars — expand)
data:application/json;base64,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
checked at 2026-10-07T08:36:18.887991Z
Readable?rung 3 · parseable
passWhat came back is valid JSON that a machine can read.
passed
- body_bytes
- 1491
- body_sha256
- d12b7f309cd7665a347a6b233c0dfe28045ee8285df5d2fbe6cfb4e9e42d3219
- content_type
- —
checked at 2026-10-07T08:36:18.887991Z
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 2026-10-07T08:36:18.887991Z
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
- 19402
- declared_chain
- 8453
- declared_registry
- eip155:8453:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432
- match
- true
- registrations_seen
- 1
checked at 2026-10-07T08:36:18.887991Z
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-29","elapsed_ms":1992,"final_url":"https://rail… (341 chars — expand)
{"declared":"https://railway-up-production-cd61.up.railway.app/mcp/agent-29","elapsed_ms":1992,"final_url":"https://railway-up-production-cd61.up.railway.app/mcp/agent-29","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-29"}- 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 2026-10-07T08:36:18.887991Z
Check it again, now
outside the censusOn-chain snapshot
base- token id
- 19402
- owner
- 0x49afc2381e84310b905a795b2451d110bbe976d2
- block
- 52,281,733
- observed
- 2026-10-07T08:36:18.890481Z
What the fetch saw
data- scheme
- data
- request url
- —
- final url
- —
- http status
- —
- content type
- —
- size
- 1,491 bytes
- sha256
- d12b7f309cd7665a347a6b233c0dfe28045ee8285df5d2fbe6cfb4e9e42d3219
- 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