Agent

Agent Name:

base|id 31478|owner 0x6a3d336c564b323d258b8d5893c862ab23d8296f

Checks 1–7

An interactive language learning companion with the most advanced natural language processing (NLP) technology. LinguaFlow helps users practice conversations in 20+ languages, instantly correct grammar, and adjust the material level based on your learning progress. Advantages: Available 24/7, non-judgmental, and a personalized curriculum according to your hobbies. Price: 0.0005 ETH per 15-minute conversation session.

Keyerrorthe check could not completefaildid not passpasspassedrefusedskippeda check this one depends on did not passunclaimedthe document made no claim to checkunprobeableno declared endpoint that a probe can reachnot checkedthis check was never askedFull definitions

The seven checks, with their evidence

7 recorded

Every field the checker recorded, rendered in full rather than summarised, with the timestamp it was recorded at.

Registered?rung 1 · registered
pass
The agent exists in the on-chain registry, with an owner and a document URL.
passed
block_number
52281733
chain_id
8453
owner
0x6a3d336c564b323d258b8d5893c862ab23d8296f
registry
0x8004a169fb4a3325136eb29fa0ceb6d2e539a432
token_id
31478
tx_hash
0x31ceb75d0300afe78dde953c1eca97b0c091c998341c007e44ca88184c3fb6fb
checked at 2026-10-07T08:42:19.026204Z
Reachable?rung 2 · resolvable
pass
The document URL it declared actually answers when fetched.
passed
bytes
1641
data_uri_algorithm
gzip
data_uri_variant
compressed
inline
true
scheme
data
uri
data:application/json;enc=gzip;level=6;base64,H4sIAEo9tmkAA41U247TMBB95yus8gJim6Rpu1v6tkIgkLhUsG+AookzSbw4tuVLoSD+nbFb2u… (1,142 chars — expand)
data:application/json;enc=gzip;level=6;base64,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
checked at 2026-10-07T08:42:19.026204Z
Readable?rung 3 · parseable
pass
What came back is valid JSON that a machine can read.
passed
body_bytes
1641
body_sha256
881345db7f0056ff9ff5cd3b023172b827b0b1269c0819182d6c08412f6ffa9c
content_type
—
checked at 2026-10-07T08:42:19.026204Z
Follows the spec?rung 4 · conformant
pass
The 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 2026-10-07T08:42:19.026204Z
Claims its identity?rung 5 · bound
unclaimed
The 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 2026-10-07T08:42:19.026204Z
Answers?rung 6 · live
pass
A declared endpoint responds to a probe. Not implemented yet, so nobody passes or fails it.
passed
endpoints
{"declared":"https://mcp.perusahaananda.com/v1","elapsed_ms":19,"error":"ssrf_blocked: dns resolution failed: failed to … (544 chars — expand)
{"declared":"https://mcp.perusahaananda.com/v1","elapsed_ms":19,"error":"ssrf_blocked: dns resolution failed: failed to lookup address information: Name or service not known","index":0,"kind":"https","name":"MCP","outcome":"not_live","probed":true,"probed_url":"https://mcp.perusahaananda.com/v1"}, {"declared":"https://github.com/agntcy/oasf/","elapsed_ms":1377,"final_url":"https://github.com/agntcy/oasf/","http_status":200,"index":1,"kind":"https","name":"OASF","outcome":"live","probed":true,"probed_url":"https://github.com/agntcy/oasf/"}
endpoints_answered_not_live
1
endpoints_declared
2
endpoints_live
1
endpoints_our_error
0
endpoints_payment_gated
0
endpoints_probeable
2
endpoints_probed
2
endpoints_refused
0
checked at 2026-10-07T19:37:51.488079Z
Has feedback?rung 7 · attested
fail
At least one on-chain feedback entry names this agent.
did not pass
distinct_authors
0
feedback_count
0
reason
no_feedback
checked at 2026-10-07T08:42:19.026204Z

Check it again, now

outside the census

Everything above is one sweep, pinned to one block. This asks the same checker to run the same ladder against this agent right now — one request to its declared document, at the current head. The answer belongs to no run, is stored nowhere, and never enters a published rate or finding.

On-chain snapshot

base

token id: 31478
owner: 0x6a3d336c564b323d258b8d5893c862ab23d8296f
block: 52,281,733
observed: 2026-10-07T08:42:19.028791Z

tokenURI

data:application/json;enc=gzip;level=6;base64,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

What the fetch saw

data

scheme: data
request url: —
final url: —
http status: —
content type: —
size: 1,641 bytes
sha256: 881345db7f0056ff9ff5cd3b023172b827b0b1269c0819182d6c08412f6ffa9c
elapsed: 0 ms

This run

reproducible

Every status above is scoped to this sweep, at this block. Rerun it and you should get these answers back.

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

Reproduce

cargo run -p sweeper -- base   # at block 52281733

What each check measures →

The seven checks, with their evidence

Registered?rung 1 · registered

Reachable?rung 2 · resolvable

Readable?rung 3 · parseable

Follows the spec?rung 4 · conformant

Claims its identity?rung 5 · bound

Answers?rung 6 · live

Has feedback?rung 7 · attested

Check it again, now

On-chain snapshot

What the fetch saw

This run