Agent

Rack Test Agent

base|id 17180|owner 0x85c705d2485bbfceea6628c45d25695d214f2ea2

Checks 1–7

Test registration for Rack-style Web4 agent on Base using web4agent-base-8004 skill.

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
0x85c705d2485bbfceea6628c45d25695d214f2ea2
registry
0x8004a169fb4a3325136eb29fa0ceb6d2e539a432
token_id
17180
tx_hash
0x1cf628ae6fb630075b34f9ec8360f27ca9eba63050f5318bb0b59091ecd01ec4
checked at 2026-10-07T08:26:42.805282Z
Reachable?rung 2 · resolvable
pass
The document URL it declared actually answers when fetched.
passed
bytes
462
data_uri_variant
base64
inline
true
scheme
data
uri
data:application/json;base64,eyJ0eXBlIjoiaHR0cHM6Ly9laXBzLmV0aGVyZXVtLm9yZy9FSVBTL2VpcC04MDA0I3JlZ2lzdHJhdGlvbi12MSIsIm5… (645 chars — expand)
data:application/json;base64,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
checked at 2026-10-07T08:26:42.805282Z
Readable?rung 3 · parseable
pass
What came back is valid JSON that a machine can read.
passed
body_bytes
462
body_sha256
f146882f20d9eec0cd66465e73260d49f8d6c90925d7a372ffc411f557227d98
content_type
—
checked at 2026-10-07T08:26:42.805282Z
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
(empty)
must_violations
(empty)
registrations_checked
0
services_field_source
services
services_status
present
should_gaps
registrations
spec_commit
68fc6765761a10fb26f0692df21c8a6f9d12b1be
checked at 2026-10-07T08:26:42.805282Z
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 2026-10-07T08:26:42.805282Z
Answers?rung 6 · live
fail
A declared endpoint responds to a probe. Not implemented yet, so nobody passes or fails it.
did not pass
endpoints
{"declared":"https://rack.example.com/mcp","elapsed_ms":18,"error":"ssrf_blocked: dns resolution failed: failed to looku… (287 chars — expand)
{"declared":"https://rack.example.com/mcp","elapsed_ms":18,"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://rack.example.com/mcp"}
endpoints_answered_not_live
1
endpoints_declared
1
endpoints_live
0
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
pass
At least one on-chain feedback entry names this agent.
passed
distinct_authors
2
feedback_count
6
checked at 2026-10-07T08:26:42.805282Z

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: 17180
owner: 0x85c705d2485bbfceea6628c45d25695d214f2ea2
block: 52,281,733
observed: 2026-10-07T08:26:42.808078Z

tokenURI

data:application/json;base64,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

What the fetch saw

data

scheme: data
request url: —
final url: —
http status: —
content type: —
size: 462 bytes
sha256: f146882f20d9eec0cd66465e73260d49f8d6c90925d7a372ffc411f557227d98
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