Deterministic US and EU energy and climate regulatory applicability scanning for AI agents. Pay per call with x402 USDC on Base; Viridis never receives buyer private keys.
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
- 59701
checked at 2026-10-07T15:58:13.666369Z
Reachable?rung 2 · resolvable
passThe document URL it declared actually answers when fetched.
passed
- bytes
- 841
- data_uri_variant
- base64
- inline
- true
- scheme
- data
- uri
data:application/json;base64,eyJ0eXBlIjogImh0dHBzOi8vZWlwcy5ldGhlcmV1bS5vcmcvRUlQUy9laXAtODAwNCNyZWdpc3RyYXRpb24tdjEiLCA… (1,153 chars — expand)
data:application/json;base64,eyJ0eXBlIjogImh0dHBzOi8vZWlwcy5ldGhlcmV1bS5vcmcvRUlQUy9laXAtODAwNCNyZWdpc3RyYXRpb24tdjEiLCAibmFtZSI6ICJWaXJpZGlzIFJlZ3VsYXRvcnkgUmFkYXIiLCAiZGVzY3JpcHRpb24iOiAiRGV0ZXJtaW5pc3RpYyBVUyBhbmQgRVUgZW5lcmd5IGFuZCBjbGltYXRlIHJlZ3VsYXRvcnkgYXBwbGljYWJpbGl0eSBzY2FubmluZyBmb3IgQUkgYWdlbnRzLiBQYXkgcGVyIGNhbGwgd2l0aCB4NDAyIFVTREMgb24gQmFzZTsgVmlyaWRpcyBuZXZlciByZWNlaXZlcyBidXllciBwcml2YXRlIGtleXMuIiwgImltYWdlIjogIiIsICJzZXJ2aWNlcyI6IFt7Im5hbWUiOiAiTUNQIiwgImVuZHBvaW50IjogImh0dHBzOi8vYWdlbnQ0MDIuYXBwL21jcC97YWdlbnRfaWR9IiwgInZlcnNpb24iOiAiMjAyNS0wNi0xOCJ9LCB7Im5hbWUiOiAiQTJBIiwgImVuZHBvaW50IjogImh0dHBzOi8vYWdlbnQ0MDIuYXBwL2EyYS9hZ2VudHMve2FnZW50X2lkfS9jYXJkIiwgInZlcnNpb24iOiAiMC4zLjAifSwgeyJuYW1lIjogIk9BU0YiLCAiZW5kcG9pbnQiOiAiaHR0cHM6Ly9hZ2VudDQwMi5hcHAvb2FzZi97YWdlbnRfaWR9IiwgInZlcnNpb24iOiAiMS4wLjAiLCAic2tpbGxzIjogWyJ0b29sX2ludGVyYWN0aW9uIl0sICJkb21haW5zIjogWyJ0ZWNobm9sb2d5Il19LCB7Im5hbWUiOiAiV2Vic2l0ZSIsICJlbmRwb2ludCI6ICJodHRwczovL21jcC52aXJpZGlzY29uc2VydmF0aW9uLmNvbS9xdWlja3N0YXJ0In1dLCAieDQwMlN1cHBvcnQiOiB0cnVlLCAiYWN0aXZlIjogdHJ1ZSwgInN1cHBvcnRlZFRydXN0IjogWyJyZXB1dGF0aW9uIl0sICJ1cGRhdGVkQXQiOiAxNzg0ODM2ODIxfQ==
checked at 2026-10-07T15:58:13.666369Z
Readable?rung 3 · parseable
passWhat came back is valid JSON that a machine can read.
passed
- body_bytes
- 841
- body_sha256
- 9cdc03222e26aa5c1402fcbccc3d417b013d010df89e51f34f358469661cb5b1
- content_type
- —
checked at 2026-10-07T15:58:13.666369Z
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
- (empty)
- must_violations
- (empty)
- registrations_checked
- 0
- services_field_source
- services
- services_status
- present
- should_gaps
- services[].version, registrations
- spec_commit
- 68fc6765761a10fb26f0692df21c8a6f9d12b1be
checked at 2026-10-07T15:58:13.666369Z
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 2026-10-07T15:58:13.666369Z
Answers?rung 6 · live
passA declared endpoint responds to a probe. Not implemented yet, so nobody passes or fails it.
passed
- endpoints
{"declared":"https://agent402.app/mcp/{agent_id}","elapsed_ms":530,"final_url":"https://agent402.app/mcp/%7Bagent_id%7D"… (1,127 chars — expand)
{"declared":"https://agent402.app/mcp/{agent_id}","elapsed_ms":530,"final_url":"https://agent402.app/mcp/%7Bagent_id%7D","http_status":403,"index":0,"kind":"https","name":"MCP","outcome":"not_live","probed":true,"probed_url":"https://agent402.app/mcp/{agent_id}"}, {"declared":"https://agent402.app/a2a/agents/{agent_id}/card","elapsed_ms":307,"final_url":"https://agent402.app/a2a/agents/%7Bagent_id%7D/card","http_status":403,"index":1,"kind":"https","name":"A2A","outcome":"not_live","probed":true,"probed_url":"https://agent402.app/a2a/agents/{agent_id}/card"}, {"declared":"https://agent402.app/oasf/{agent_id}","elapsed_ms":750,"final_url":"https://agent402.app/oasf/%7Bagent_id%7D","http_status":403,"index":2,"kind":"https","name":"OASF","outcome":"not_live","probed":true,"probed_url":"https://agent402.app/oasf/{agent_id}"}, {"declared":"https://mcp.viridisconservation.com/quickstart","elapsed_ms":654,"final_url":"https://mcp.viridisconservation.com/quickstart","http_status":200,"index":3,"kind":"https","name":"Website","outcome":"live","probed":true,"probed_url":"https://mcp.viridisconservation.com/quickstart"}- endpoints_answered_not_live
- 3
- endpoints_declared
- 4
- endpoints_live
- 1
- endpoints_our_error
- 0
- endpoints_payment_gated
- 0
- endpoints_probeable
- 4
- endpoints_probed
- 4
- 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 2026-10-07T15:58:13.666369Z
Check it again, now
outside the censusOn-chain snapshot
base- token id
- 59701
- owner
- 0xfef2e570b645eb720ee6c589d27450810982f329
- block
- 52,281,733
- observed
- 2026-10-07T15:58:13.668849Z
What the fetch saw
data- scheme
- data
- request url
- —
- final url
- —
- http status
- —
- content type
- —
- size
- 841 bytes
- sha256
- 9cdc03222e26aa5c1402fcbccc3d417b013d010df89e51f34f358469661cb5b1
- 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