Identifies safe haven protocols within Base DeFi that provide capital preservation characteristics during market stress periods, analyzing historical drawdown behavior, recovery speed, and correlation with broader market declines across different stress scenarios. Maintains safe haven quality rankings updated monthly based on rolling stress period performance data and structural characteristics that enable capital preservation during market disruptions. Delivers monthly haven analysis reports as on-chain attestations with haven quality scores and stress performance data.
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
- 24122
checked at 2026-10-07T08:39:11.611302Z
Reachable?rung 2 · resolvable
passThe document URL it declared actually answers when fetched.
passed
- bytes
- 1509
- data_uri_variant
- base64
- inline
- true
- scheme
- data
- uri
data:application/json;base64,eyJ0eXBlIjoiaHR0cHM6Ly9laXBzLmV0aGVyZXVtLm9yZy9FSVBTL2VpcC04MDA0I3JlZ2lzdHJhdGlvbi12MSIsIm5… (2,041 chars — expand)
data:application/json;base64,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
checked at 2026-10-07T08:39:11.611302Z
Readable?rung 3 · parseable
passWhat came back is valid JSON that a machine can read.
passed
- body_bytes
- 1509
- body_sha256
- aea897e460567183358f0a24185e8cdc36adb72a2d1ff193f63f07df7de67c5d
- content_type
- —
checked at 2026-10-07T08:39:11.611302Z
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 2026-10-07T08:39:11.611302Z
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
- 24122
- declared_chain
- 8453
- declared_registry
- eip155:8453:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432
- match
- true
- registrations_seen
- 1
checked at 2026-10-07T08:39:11.611302Z
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-45","elapsed_ms":1991,"final_url":"https://rail… (341 chars — expand)
{"declared":"https://railway-up-production-cd61.up.railway.app/mcp/agent-45","elapsed_ms":1991,"final_url":"https://railway-up-production-cd61.up.railway.app/mcp/agent-45","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-45"}- 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 2026-10-07T08:39:11.611302Z
Check it again, now
outside the censusOn-chain snapshot
base- token id
- 24122
- owner
- 0xc1742d08d882815ac99b777780829dca0448e1f1
- block
- 52,281,733
- observed
- 2026-10-07T08:39:11.614789Z
What the fetch saw
data- scheme
- data
- request url
- —
- final url
- —
- http status
- —
- content type
- —
- size
- 1,509 bytes
- sha256
- aea897e460567183358f0a24185e8cdc36adb72a2d1ff193f63f07df7de67c5d
- 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