Agent

EntityID

mainnet|id 31853|owner 0x6719a70e3b9652d0cd3d4cd28a93556497e2bf96

Checks 1–7

specialized agent for Entity.ID registration of Agents

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
25873488
chain_id
1
owner
0x6719a70e3b9652d0cd3d4cd28a93556497e2bf96
registry
0x8004a169fb4a3325136eb29fa0ceb6d2e539a432
token_id
31853
tx_hash
0x21004cf51bc72937f19cbc0c1bf0969fb029dd23a4c95963f88d43eeeb3eee50
checked at 2026-08-31T07:09:34.048794Z
Reachable?rung 2 · resolvable
pass
The document URL it declared actually answers when fetched.
passed
bytes
1546
data_uri_variant
base64
inline
true
scheme
data
uri
data:application/json;base64,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
checked at 2026-08-31T07:09:34.048794Z
Readable?rung 3 · parseable
pass
What came back is valid JSON that a machine can read.
passed
body_bytes
1546
body_sha256
091e0fa17960be9ff43865252bcf1d5367cea7432c323cfda46edb74632f1ac8
content_type
—
checked at 2026-08-31T07:09:34.048794Z
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 2026-08-31T07:09:34.048794Z
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 2026-08-31T07:09:34.048794Z
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.registrychain.com/mcp","elapsed_ms":704,"final_url":"https://mcp.registrychain.com/mcp","http_status":401,"index":0,"kind":"https","name":"MCP","outcome":"refused","probed":true,"probed_url":"https://mcp.registrychain.com/mcp"}, {"declared":"https://github.com/agntcy/oasf/","elapsed_ms":1817,"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
0
endpoints_declared
2
endpoints_live
1
endpoints_our_error
0
endpoints_payment_gated
0
endpoints_probeable
2
endpoints_probed
2
endpoints_refused
1
checked at 2026-08-31T08:46:48.862283Z
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 2026-08-31T07:09:34.048794Z

On-chain snapshot

mainnet

token id: 31853
owner: 0x6719a70e3b9652d0cd3d4cd28a93556497e2bf96
block: 25,873,488
observed: 2026-08-31T07:09:34.051947Z

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: 1,546 bytes
sha256: 091e0fa17960be9ff43865252bcf1d5367cea7432c323cfda46edb74632f1ac8
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: bba33eff-c533-4bca-8fa0-0f084928bcde
chain: mainnet
pinned block: 25,873,488
agents: 50,638
started: 2026-08-31T06:32:02.218274Z
finished: 2026-08-31T08:10:40.641929Z
checker: 0.7.0 · 981910a8f7451ff11d8af05abef0cc7852e25953
spec commit: 68fc6765761a10fb26f0692df21c8a6f9d12b1be

Reproduce

cargo run -p sweeper -- mainnet   # at block 25873488

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

On-chain snapshot

What the fetch saw

This run