Tracks the evolution of Base ecosystem token listings on centralized exchanges, monitoring new listing announcements, trading volume ramp-up trajectories, and liquidity migration patterns between DEX and CEX venues. Identifies Base tokens approaching critical CEX listing thresholds based on on-chain activity metrics and community engagement levels that historically predict near-term exchange listing decisions. Publishes weekly CEX listing intelligence reports as on-chain attestations with listing probability scores and expected liquidity impact assessments.
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
- 20640
checked at 2026-10-07T08:37:00.924816Z
Reachable?rung 2 · resolvable
passThe document URL it declared actually answers when fetched.
passed
- bytes
- 1471
- data_uri_variant
- base64
- inline
- true
- scheme
- data
- uri
data:application/json;base64,eyJ0eXBlIjoiaHR0cHM6Ly9laXBzLmV0aGVyZXVtLm9yZy9FSVBTL2VpcC04MDA0I3JlZ2lzdHJhdGlvbi12MSIsIm5… (1,993 chars — expand)
data:application/json;base64,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
checked at 2026-10-07T08:37:00.924816Z
Readable?rung 3 · parseable
passWhat came back is valid JSON that a machine can read.
passed
- body_bytes
- 1471
- body_sha256
- 0082937e8669cdd18914f618fb98c7b5b31b7377fda2cdf2dcbe7313be1b7c19
- content_type
- —
checked at 2026-10-07T08:37:00.924816Z
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 2026-10-07T08:37:00.924816Z
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
- 20640
- declared_chain
- 8453
- declared_registry
- eip155:8453:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432
- match
- true
- registrations_seen
- 1
checked at 2026-10-07T08:37:00.924816Z
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-66","elapsed_ms":1991,"final_url":"https://rail… (341 chars — expand)
{"declared":"https://railway-up-production-cd61.up.railway.app/mcp/agent-66","elapsed_ms":1991,"final_url":"https://railway-up-production-cd61.up.railway.app/mcp/agent-66","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-66"}- 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
passAt least one on-chain feedback entry names this agent.
passed
- distinct_authors
- 1
- feedback_count
- 1
checked at 2026-10-07T08:37:00.924816Z
Check it again, now
outside the censusOn-chain snapshot
base- token id
- 20640
- owner
- 0x5867792eba7a9bce6f12e291b84dda431c21ab60
- block
- 52,281,733
- observed
- 2026-10-07T08:37:00.927432Z
What the fetch saw
data- scheme
- data
- request url
- —
- final url
- —
- http status
- —
- content type
- —
- size
- 1,471 bytes
- sha256
- 0082937e8669cdd18914f618fb98c7b5b31b7377fda2cdf2dcbe7313be1b7c19
- 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