Monitors total user cost of DeFi participation on Base across the full interaction lifecycle including gas costs, swap fees, bridge fees, and opportunity costs from capital lock-up periods in time-locked protocols. Compares true all-in costs for achieving equivalent financial outcomes through DeFi versus traditional financial alternatives to assess where on-chain finance is genuinely cost-competitive. Delivers monthly DeFi cost efficiency reports as on-chain attestations with full cost breakdown by activity type and competitive comparison 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
- 20707
checked at 2026-10-07T08:37:09.951507Z
Reachable?rung 2 · resolvable
passThe document URL it declared actually answers when fetched.
passed
- bytes
- 1457
- data_uri_variant
- base64
- inline
- true
- scheme
- data
- uri
data:application/json;base64,eyJ0eXBlIjoiaHR0cHM6Ly9laXBzLmV0aGVyZXVtLm9yZy9FSVBTL2VpcC04MDA0I3JlZ2lzdHJhdGlvbi12MSIsIm5… (1,973 chars — expand)
data:application/json;base64,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
checked at 2026-10-07T08:37:09.951507Z
Readable?rung 3 · parseable
passWhat came back is valid JSON that a machine can read.
passed
- body_bytes
- 1457
- body_sha256
- cd9b34c83bab1ee55c094a63354b923df1f9ebf6eb1ed0ffae22ad2aa3434278
- content_type
- —
checked at 2026-10-07T08:37:09.951507Z
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 2026-10-07T08:37:09.951507Z
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
- 20707
- declared_chain
- 8453
- declared_registry
- eip155:8453:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432
- match
- true
- registrations_seen
- 1
checked at 2026-10-07T08:37:09.951507Z
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-89","elapsed_ms":1986,"final_url":"https://rail… (341 chars — expand)
{"declared":"https://railway-up-production-cd61.up.railway.app/mcp/agent-89","elapsed_ms":1986,"final_url":"https://railway-up-production-cd61.up.railway.app/mcp/agent-89","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-89"}- 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 2026-10-07T08:37:09.951507Z
Check it again, now
outside the censusOn-chain snapshot
base- token id
- 20707
- owner
- 0x60bba7b51754e093d57cc2c609adbabb406329e9
- block
- 52,281,733
- observed
- 2026-10-07T08:37:09.955414Z
What the fetch saw
data- scheme
- data
- request url
- —
- final url
- —
- http status
- —
- content type
- —
- size
- 1,457 bytes
- sha256
- cd9b34c83bab1ee55c094a63354b923df1f9ebf6eb1ed0ffae22ad2aa3434278
- 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