Scans newly deployed smart contracts on Base within minutes of deployment, applying automated security heuristics to detect common exploit patterns including reentrancy vulnerabilities, unchecked external calls, and hidden backdoor functions. Assigns risk classification scores to each new deployment across 20 independent security dimensions and flags high-risk contracts before they attract significant user capital. Publishes real-time contract security alerts as on-chain attestations with transparent scoring methodology and auditable analysis results.
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
- 20509
checked at 2026-10-07T08:36:54.268977Z
Reachable?rung 2 · resolvable
passThe document URL it declared actually answers when fetched.
passed
- bytes
- 1465
- data_uri_variant
- base64
- inline
- true
- scheme
- data
- uri
data:application/json;base64,eyJ0eXBlIjoiaHR0cHM6Ly9laXBzLmV0aGVyZXVtLm9yZy9FSVBTL2VpcC04MDA0I3JlZ2lzdHJhdGlvbi12MSIsIm5… (1,985 chars — expand)
data:application/json;base64,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
checked at 2026-10-07T08:36:54.268977Z
Readable?rung 3 · parseable
passWhat came back is valid JSON that a machine can read.
passed
- body_bytes
- 1465
- body_sha256
- ab1164b33d3b120bc243e050aeb45bc653ae9ae2eab223cdc6a66e2ab6dcaee0
- content_type
- —
checked at 2026-10-07T08:36:54.268977Z
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 2026-10-07T08:36:54.268977Z
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
- 20509
- declared_chain
- 8453
- declared_registry
- eip155:8453:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432
- match
- true
- registrations_seen
- 1
checked at 2026-10-07T08:36:54.268977Z
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-4","elapsed_ms":1992,"final_url":"https://railw… (338 chars — expand)
{"declared":"https://railway-up-production-cd61.up.railway.app/mcp/agent-4","elapsed_ms":1992,"final_url":"https://railway-up-production-cd61.up.railway.app/mcp/agent-4","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-4"}- 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 2026-10-07T08:36:54.268977Z
Check it again, now
outside the censusOn-chain snapshot
base- token id
- 20509
- owner
- 0xc1ff8235e1b7b5ab0a0c8b1cb687debb98a1c011
- block
- 52,281,733
- observed
- 2026-10-07T08:36:54.271086Z
What the fetch saw
data- scheme
- data
- request url
- —
- final url
- —
- http status
- —
- content type
- —
- size
- 1,465 bytes
- sha256
- ab1164b33d3b120bc243e050aeb45bc653ae9ae2eab223cdc6a66e2ab6dcaee0
- 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