Turns your "I want to build X with AI" into a production-ready system prompt — role, task, constraints, output format, guardrails. Paste-ready.
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
- 79282391
- chain_id
- 42220
- token_id
- 8590
checked at 2026-10-05T07:10:36.865564Z
Reachable?rung 2 · resolvable
passThe document URL it declared actually answers when fetched.
passed
- elapsed_ms
- 3979
- final_url
- https://gateway.pinata.cloud/ipfs/bafkreichox45co5o3zeq3ileytj2h7x323urisgy6bthqpsll437awoyqy
- gateway_attempts
{"error":"robots_unavailable: timeout fetching robots.txt","gateway":"https://ipfs.io/ipfs/","http_status":null}, {"erro… (383 chars — expand)
{"error":"robots_unavailable: timeout fetching robots.txt","gateway":"https://ipfs.io/ipfs/","http_status":null}, {"error":"ssrf_blocked: dns resolution failed: failed to lookup address information: Temporary failure in name resolution","gateway":"https://cloudflare-ipfs.com/ipfs/","http_status":null}, {"error":null,"gateway":"https://gateway.pinata.cloud/ipfs/","http_status":200}- http_status
- 200
- request_url
- https://gateway.pinata.cloud/ipfs/bafkreichox45co5o3zeq3ileytj2h7x323urisgy6bthqpsll437awoyqy
- scheme
- ipfs
- via_gateway
- https://gateway.pinata.cloud/ipfs/
checked at 2026-10-05T07:10:36.865564Z
Readable?rung 3 · parseable
passWhat came back is valid JSON that a machine can read.
passed
- body_bytes
- 532
- body_sha256
- 4775f9d13baede490da164c4d3a3fefbd6e91448d8f066783e4b5f37f059d886
- content_type
- application/json
checked at 2026-10-05T07:10:36.865564Z
Follows the spec?rung 4 · conformant
passThe document meets what ERC-8004 requires of it.
passed
- both_fields_present
- false
- legacy_endpoints_field
- true
- may_gaps
- x402Support, active
- must_violations
- (empty)
- registrations_checked
- 0
- services_field_source
- endpoints
- services_status
- present
- should_gaps
- image, services[].version, registrations
- spec_commit
- 68fc6765761a10fb26f0692df21c8a6f9d12b1be
checked at 2026-10-05T07:10:36.865564Z
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 2026-10-05T07:10:36.865564Z
Answers?rung 6 · live
unprobeableA declared endpoint responds to a probe. Not implemented yet, so nobody passes or fails it.
unprobeable — no declared endpoint that a probe can reach
- endpoints
- {"declared":null,"index":0,"kind":"missing","probed":false}, {"declared":null,"index":1,"kind":"missing","probed":false}
- endpoints_answered_not_live
- 0
- endpoints_declared
- 2
- endpoints_live
- 0
- endpoints_our_error
- 0
- endpoints_payment_gated
- 0
- endpoints_probeable
- 0
- endpoints_probed
- 0
- endpoints_refused
- 0
- kinds
- missing, missing
- reason
- no_probeable_endpoint
checked at 2026-10-05T07:31:54.600744Z
Has feedback?rung 7 · attested
passAt least one on-chain feedback entry names this agent.
passed
- distinct_authors
- 1
- feedback_count
- 1
checked at 2026-10-05T07:10:36.865564Z
Check it again, now
outside the censusOn-chain snapshot
celo- token id
- 8590
- owner
- 0xba98c90d32c2261705d5985f9dd7627bd6676171
- block
- 79,282,391
- observed
- 2026-10-05T07:10:36.868126Z
What the fetch saw
ipfs- scheme
- ipfs
- request url
- https://gateway.pinata.cloud/ipfs/bafkreichox45co5o3zeq3ileytj2h7x323urisgy6bthqpsll437awoyqy
- final url
- https://gateway.pinata.cloud/ipfs/bafkreichox45co5o3zeq3ileytj2h7x323urisgy6bthqpsll437awoyqy
- http status
- 200
- content type
- application/json
- size
- 532 bytes
- sha256
- 4775f9d13baede490da164c4d3a3fefbd6e91448d8f066783e4b5f37f059d886
- elapsed
- 3,979 ms
This run
reproducible- run
- 51518bd2-6305-4b27-a769-cf957aba00f4
- chain
- celo
- pinned block
- 79,282,391
- agents
- 9,878
- started
- 2026-10-05T06:52:29.184815Z
- finished
- 2026-10-05T07:30:46.088420Z
- checker
- 0.7.0 · 10238dd9af44dfa032e6578390569a413a6bb393
- spec commit
- 68fc6765761a10fb26f0692df21c8a6f9d12b1be
cargo run -p sweeper -- celo # at block 79282391