Agentic checkout for Clash of Coins
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
- 45250
checked at 2026-10-07T10:59:09.055540Z
Reachable?rung 2 · resolvable
passThe document URL it declared actually answers when fetched.
passed
- bytes
- 1694
- data_uri_variant
- base64
- inline
- true
- scheme
- data
- uri
data:application/json;base64,eyJuYW1lIjoiQ2xhc2ggb2YgQ29pbnMiLCJ0eXBlIjoiaHR0cHM6Ly9laXBzLmV0aGVyZXVtLm9yZy9FSVBTL2VpcC0… (2,289 chars — expand)
data:application/json;base64,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
checked at 2026-10-07T10:59:09.055540Z
Readable?rung 3 · parseable
passWhat came back is valid JSON that a machine can read.
passed
- body_bytes
- 1694
- body_sha256
- dd90ac7624da9e512d98af05765bd9331ba4eb17974c5698f42da7a128d247f8
- content_type
- —
checked at 2026-10-07T10:59:09.055540Z
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
- 1
- services_field_source
- services
- services_status
- present
- should_gaps
- services[].version
- spec_commit
- 68fc6765761a10fb26f0692df21c8a6f9d12b1be
checked at 2026-10-07T10:59:09.055540Z
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
- 45250
- declared_chain
- 8453
- declared_registry
- eip155:8453:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432
- match
- true
- registrations_seen
- 1
checked at 2026-10-07T10:59:09.055540Z
Answers?rung 6 · live
passA declared endpoint responds to a probe. Not implemented yet, so nobody passes or fails it.
passed
- endpoints
{"declared":"https://x402.clashofcoins.com/.well-known/agent-card.json","elapsed_ms":1347,"final_url":"https://x402.clas… (1,514 chars — expand)
{"declared":"https://x402.clashofcoins.com/.well-known/agent-card.json","elapsed_ms":1347,"final_url":"https://x402.clashofcoins.com/.well-known/agent-card.json","http_status":200,"index":0,"kind":"https","name":"A2A","outcome":"live","probed":true,"probed_url":"https://x402.clashofcoins.com/.well-known/agent-card.json"}, {"declared":"https://x402.clashofcoins.com","elapsed_ms":975,"final_url":"https://x402.clashofcoins.com/","http_status":200,"index":1,"kind":"https","name":"web","outcome":"live","probed":true,"probed_url":"https://x402.clashofcoins.com"}, {"declared":"https://x402.clashofcoins.com/openapi.json","elapsed_ms":1046,"final_url":"https://x402.clashofcoins.com/openapi.json","http_status":200,"index":2,"kind":"https","name":"OpenAPI","outcome":"live","probed":true,"probed_url":"https://x402.clashofcoins.com/openapi.json"}, {"declared":"https://x402.clashofcoins.com/skill.md","elapsed_ms":1069,"final_url":"https://x402.clashofcoins.com/skill.md","http_status":200,"index":3,"kind":"https","name":"Skills","outcome":"live","probed":true,"probed_url":"https://x402.clashofcoins.com/skill.md"}, {"declared":"https://x402.clashofcoins.com/mcp.json","elapsed_ms":873,"final_url":"https://x402.clashofcoins.com/mcp.json","http_status":200,"index":4,"kind":"https","name":"MCP","outcome":"live","probed":true,"probed_url":"https://x402.clashofcoins.com/mcp.json"}, {"declared":"eip155:8453:0x93862E5b2b1fA10A01772E7e9cA7CdC7deb5CA25","index":5,"kind":"caip10","name":"agentWallet","probed":false}- endpoints_answered_not_live
- 0
- endpoints_declared
- 6
- endpoints_live
- 5
- endpoints_our_error
- 0
- endpoints_payment_gated
- 0
- endpoints_probeable
- 5
- endpoints_probed
- 5
- 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
- 4
- feedback_count
- 12
checked at 2026-10-07T10:59:09.055540Z
Check it again, now
outside the censusOn-chain snapshot
base- token id
- 45250
- owner
- 0x93862e5b2b1fa10a01772e7e9ca7cdc7deb5ca25
- block
- 52,281,733
- observed
- 2026-10-07T10:59:09.059589Z
What the fetch saw
data- scheme
- data
- request url
- —
- final url
- —
- http status
- —
- content type
- —
- size
- 1,694 bytes
- sha256
- dd90ac7624da9e512d98af05765bd9331ba4eb17974c5698f42da7a128d247f8
- 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