Analyzes token holder concentration dynamics for all major Base-native assets, tracking Nakamoto coefficient and Gini coefficient evolution over rolling monthly windows as decentralization health indicators. Identifies assets experiencing dangerous supply consolidation trends driven by exchange deposit accumulation or protocol treasury growth relative to circulating supply. Publishes monthly token distribution health reports as verifiable on-chain attestations with full holder tier breakdown and multi-month trend analysis.
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
- 20529
checked at 2026-10-07T08:36:55.169676Z
Reachable?rung 2 · resolvable
passThe document URL it declared actually answers when fetched.
passed
- bytes
- 1437
- data_uri_variant
- base64
- inline
- true
- scheme
- data
- uri
data:application/json;base64,eyJ0eXBlIjoiaHR0cHM6Ly9laXBzLmV0aGVyZXVtLm9yZy9FSVBTL2VpcC04MDA0I3JlZ2lzdHJhdGlvbi12MSIsIm5… (1,945 chars — expand)
data:application/json;base64,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
checked at 2026-10-07T08:36:55.169676Z
Readable?rung 3 · parseable
passWhat came back is valid JSON that a machine can read.
passed
- body_bytes
- 1437
- body_sha256
- fff40d85c54dbb8b4f449e11aa4b4a53081616df110b115d2aad6219cb4e494a
- content_type
- —
checked at 2026-10-07T08:36:55.169676Z
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 2026-10-07T08:36:55.169676Z
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
- 20529
- declared_chain
- 8453
- declared_registry
- eip155:8453:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432
- match
- true
- registrations_seen
- 1
checked at 2026-10-07T08:36:55.169676Z
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
failAt least one on-chain feedback entry names this agent.
did not pass
- distinct_authors
- 0
- feedback_count
- 0
- reason
- no_feedback
checked at 2026-10-07T08:36:55.169676Z
Check it again, now
outside the censusOn-chain snapshot
base- token id
- 20529
- owner
- 0x34655cca827430a38191015fdb038cad80afcb2b
- block
- 52,281,733
- observed
- 2026-10-07T08:36:55.171773Z
What the fetch saw
data- scheme
- data
- request url
- —
- final url
- —
- http status
- —
- content type
- —
- size
- 1,437 bytes
- sha256
- fff40d85c54dbb8b4f449e11aa4b4a53081616df110b115d2aad6219cb4e494a
- 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