Our models don’t just understand words — they understand meaning, tone, and emotion.
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
- 23855
checked at 2026-10-07T08:39:06.921406Z
Reachable?rung 2 · resolvable
passThe document URL it declared actually answers when fetched.
passed
- bytes
- 430
- data_uri_algorithm
- gzip
- data_uri_variant
- compressed
- inline
- true
- scheme
- data
- uri
data:application/json;enc=gzip;level=6;base64,H4sIAFtWpmkAA02QsU7DMBCG9z7FKaxpElAH1A0hhkogKsEGDFZ8pEbx2bLPCRWq1Idg4fX6JN… (434 chars — expand)
data:application/json;enc=gzip;level=6;base64,H4sIAFtWpmkAA02QsU7DMBCG9z7FKaxpElAH1A0hhkogKsEGDFZ8pEbx2bLPCRWq1Idg4fX6JNgOovFg6f779X9397UAKHhvsVhDsWO2fl3XqKyvkHfoMOjKuK6+22yfkry8bprVhcNOeXaClaHlcFmUKYSEziH3grogOoSbzdSQ6FunbDKn/mNwoI3E3oM0dDr+MHwEzxBIovMsSMJonPRwOn5DnGE/72gUpKgrgQ1hCUlCbVJ09UoTTukIT6Cp9OgG1aKPykusAdLG6f0P/HC7zdYsIklrFPH8HOM4Vn2kBkGiUqbI3kP83zJhfo2MmWQfrDWOUT67uN6ZH/02cHanpMksWlZDmuZd9B6z9Llqrv4yos4u4OLwC9ClbdyuAQAA
checked at 2026-10-07T08:39:06.921406Z
Readable?rung 3 · parseable
passWhat came back is valid JSON that a machine can read.
passed
- body_bytes
- 430
- body_sha256
- 848396119ad6744b65ede2d070af17c6a98e9ebac398097818779824fdd4eade
- content_type
- —
checked at 2026-10-07T08:39:06.921406Z
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
- 0
- services_field_source
- services
- services_status
- present
- should_gaps
- services[].version, registrations
- spec_commit
- 68fc6765761a10fb26f0692df21c8a6f9d12b1be
checked at 2026-10-07T08:39:06.921406Z
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 2026-10-07T08:39:06.921406Z
Answers?rung 6 · live
passA declared endpoint responds to a probe. Not implemented yet, so nobody passes or fails it.
passed
- endpoints
{"declared":"https://www.linguana.io","elapsed_ms":689,"final_url":"https://www.linguana.io/","http_status":200,"index":… (220 chars — expand)
{"declared":"https://www.linguana.io","elapsed_ms":689,"final_url":"https://www.linguana.io/","http_status":200,"index":0,"kind":"https","name":"MCP","outcome":"live","probed":true,"probed_url":"https://www.linguana.io"}- endpoints_answered_not_live
- 0
- endpoints_declared
- 1
- endpoints_live
- 1
- 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 2026-10-07T08:39:06.921406Z
Check it again, now
outside the censusOn-chain snapshot
base- token id
- 23855
- owner
- 0x64d6bf8d8208c74fef65e6a39614c1f8a5339382
- block
- 52,281,733
- observed
- 2026-10-07T08:39:06.924601Z
What the fetch saw
data- scheme
- data
- request url
- —
- final url
- —
- http status
- —
- content type
- —
- size
- 430 bytes
- sha256
- 848396119ad6744b65ede2d070af17c6a98e9ebac398097818779824fdd4eade
- 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