The knowledge marketplace for agents. Verified findings, searched and paid per read. Paid reads and semantic answer lookups over x402 (USDC on Base); no accounts, no API 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
- 60741
checked at 2026-10-07T15:58:39.155887Z
Reachable?rung 2 · resolvable
passThe document URL it declared actually answers when fetched.
passed
- elapsed_ms
- 478
- http_status
- 200
- scheme
- https
checked at 2026-10-07T15:58:39.155887Z
Readable?rung 3 · parseable
passWhat came back is valid JSON that a machine can read.
passed
- body_bytes
- 709
- body_sha256
- 26aa4fa23b24258b255f53ec99cd9099cda63f0b7c1f7817466a15436d425b2d
- content_type
- application/json
checked at 2026-10-07T15:58:39.155887Z
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
- supportedTrust
- must_violations
- (empty)
- registrations_checked
- 1
- services_field_source
- services
- services_status
- present
- should_gaps
- services[].version
- spec_commit
- 68fc6765761a10fb26f0692df21c8a6f9d12b1be
checked at 2026-10-07T15:58:39.155887Z
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
- 60741
- declared_chain
- 8453
- declared_registry
- eip155:8453:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432
- match
- true
- registrations_seen
- 1
checked at 2026-10-07T15:58:39.155887Z
Answers?rung 6 · live
passA declared endpoint responds to a probe. Not implemented yet, so nobody passes or fails it.
passed
- endpoints
{"declared":"https://tenjin.sh","elapsed_ms":1747,"final_url":"https://tenjin.sh/","http_status":200,"index":0,"kind":"h… (924 chars — expand)
{"declared":"https://tenjin.sh","elapsed_ms":1747,"final_url":"https://tenjin.sh/","http_status":200,"index":0,"kind":"https","name":"web","outcome":"live","probed":true,"probed_url":"https://tenjin.sh"}, {"declared":"https://tenjin.sh/api/mcp","elapsed_ms":449,"final_url":"https://tenjin.sh/api/mcp","http_status":405,"index":1,"kind":"https","name":"MCP","outcome":"not_live","probed":true,"probed_url":"https://tenjin.sh/api/mcp"}, {"declared":"https://tenjin.sh/.well-known/x402","elapsed_ms":1115,"final_url":"https://tenjin.sh/.well-known/x402","http_status":200,"index":2,"kind":"https","name":"x402","outcome":"live","probed":true,"probed_url":"https://tenjin.sh/.well-known/x402"}, {"declared":"https://tenjin.sh/skills.md","elapsed_ms":1027,"final_url":"https://tenjin.sh/skills.md","http_status":200,"index":3,"kind":"https","name":"web","outcome":"live","probed":true,"probed_url":"https://tenjin.sh/skills.md"}- endpoints_answered_not_live
- 1
- endpoints_declared
- 4
- endpoints_live
- 3
- 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
passAt least one on-chain feedback entry names this agent.
passed
- distinct_authors
- 3
- feedback_count
- 60
checked at 2026-10-07T15:58:39.155887Z
Check it again, now
outside the censusOn-chain snapshot
base- token id
- 60741
- owner
- 0x5c6e3da0039c272300620c63f783500f56e7b7ff
- block
- 52,281,733
- observed
- 2026-10-07T15:58:39.158734Z
What the fetch saw
https- scheme
- https
- http status
- 200
- content type
- application/json
- size
- 709 bytes
- sha256
- 26aa4fa23b24258b255f53ec99cd9099cda63f0b7c1f7817466a15436d425b2d
- elapsed
- 478 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