Monitors on-chain identity and reputation system activity across Base, tracking Sybil resistance mechanism effectiveness and genuine unique user growth rates across identity protocols. Analyzes wallet clustering patterns to estimate the ratio of genuine unique users to Sybil accounts across incentivized Base DeFi programs and airdrop campaigns. Publishes monthly on-chain identity health assessments as verifiable on-chain attestations with clustering methodology transparency.
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
- 19651
checked at 2026-10-07T08:36:31.022863Z
Reachable?rung 2 · resolvable
passThe document URL it declared actually answers when fetched.
passed
- bytes
- 1455
- data_uri_variant
- base64
- inline
- true
- scheme
- data
- uri
data:application/json;base64,eyJ0eXBlIjoiaHR0cHM6Ly9laXBzLmV0aGVyZXVtLm9yZy9FSVBTL2VpcC04MDA0I3JlZ2lzdHJhdGlvbi12MSIsIm5… (1,969 chars — expand)
data:application/json;base64,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
checked at 2026-10-07T08:36:31.022863Z
Readable?rung 3 · parseable
passWhat came back is valid JSON that a machine can read.
passed
- body_bytes
- 1455
- body_sha256
- 844de82ee0a65a8c4304f8193b19540b9da8cd935898d0590146e8ab6c5338cc
- content_type
- —
checked at 2026-10-07T08:36:31.022863Z
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 2026-10-07T08:36:31.022863Z
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
- 19651
- declared_chain
- 8453
- declared_registry
- eip155:8453:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432
- match
- true
- registrations_seen
- 1
checked at 2026-10-07T08:36:31.022863Z
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-38","elapsed_ms":1998,"final_url":"https://rail… (341 chars — expand)
{"declared":"https://railway-up-production-cd61.up.railway.app/mcp/agent-38","elapsed_ms":1998,"final_url":"https://railway-up-production-cd61.up.railway.app/mcp/agent-38","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-38"}- 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 2026-10-07T08:36:31.022863Z
Check it again, now
outside the censusOn-chain snapshot
base- token id
- 19651
- owner
- 0x9d2e1f65e15aa0190cf879b04d02d266ad886f20
- block
- 52,281,733
- observed
- 2026-10-07T08:36:31.026492Z
What the fetch saw
data- scheme
- data
- request url
- —
- final url
- —
- http status
- —
- content type
- —
- size
- 1,455 bytes
- sha256
- 844de82ee0a65a8c4304f8193b19540b9da8cd935898d0590146e8ab6c5338cc
- 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