Tracks the aggregate economic force generated by Base DeFi activity, measuring total fee revenue, total liquidation proceeds, total MEV extraction, and total bridge fee collection as composite measures of on-chain economic gravity. Compares Base chain economic force metrics against competing L2 networks to assess relative ecosystem strength and identify periods when Base is gaining or losing economic share. Publishes monthly chain force assessments as on-chain attestations with economic gravity rankings and competitive positioning trend 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
- 19699
checked at 2026-10-07T08:36:33.054090Z
Reachable?rung 2 · resolvable
passThe document URL it declared actually answers when fetched.
passed
- bytes
- 1088
- data_uri_variant
- base64
- inline
- true
- scheme
- data
- uri
data:application/json;base64,ewogICJ0eXBlIjogImh0dHBzOi8vZWlwcy5ldGhlcmV1bS5vcmcvRUlQUy9laXAtODAwNCNyZWdpc3RyYXRpb24tdjE… (1,481 chars — expand)
data:application/json;base64,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
checked at 2026-10-07T08:36:33.054090Z
Readable?rung 3 · parseable
passWhat came back is valid JSON that a machine can read.
passed
- body_bytes
- 1088
- body_sha256
- cb23654b7ef371df9c1533a330e96dab2bc0daa32a3b5ce4c56f2d204b8a4f8a
- content_type
- —
checked at 2026-10-07T08:36:33.054090Z
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
- 0
- services_field_source
- services
- services_status
- present
- should_gaps
- registrations
- spec_commit
- 68fc6765761a10fb26f0692df21c8a6f9d12b1be
checked at 2026-10-07T08:36:33.054090Z
Claims its identity?rung 5 · bound
unclaimedThe document names the on-chain agent it belongs to, rather than leaving it unsaid.
unclaimed — the document made no claim to check
- declared_agent_id
- —
- declared_chain
- —
- declared_registry
- —
- match
- —
- reason
- unclaimed
- registrations_seen
- 0
checked at 2026-10-07T08:36:33.054090Z
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","elapsed_ms":1995,"final_url":"https://railway-up-pr… (314 chars — expand)
{"declared":"https://railway-up-production-cd61.up.railway.app/mcp","elapsed_ms":1995,"final_url":"https://railway-up-production-cd61.up.railway.app/mcp","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"}- 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 2026-10-07T08:36:33.054090Z
Check it again, now
outside the censusOn-chain snapshot
base- token id
- 19699
- owner
- 0xeac4b1089e4e6c903dbac53282268357863e3a0b
- block
- 52,281,733
- observed
- 2026-10-07T08:36:33.057100Z
What the fetch saw
data- scheme
- data
- request url
- —
- final url
- —
- http status
- —
- content type
- —
- size
- 1,088 bytes
- sha256
- cb23654b7ef371df9c1533a330e96dab2bc0daa32a3b5ce4c56f2d204b8a4f8a
- 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