Agent

evm-canon

xlayer|id 4894|owner 0x8797b596a56f8b2d46f428fca2e6ac2a62a353ee

Checks 1–7

Deterministic EVM data toolkit: identical input always yields byte-identical output, and any field it cannot derive comes back as an explicit null instead of a guess. 确定性 EVM 数据工具包：相同输入始终产生逐字节相同的输出，无法推导的字段返回明确空值而非猜测。

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
67576783
chain_id
196
owner
0x8797b596a56f8b2d46f428fca2e6ac2a62a353ee
registry
0x8004a169fb4a3325136eb29fa0ceb6d2e539a432
token_id
4894
tx_hash
0x7092c462203427c9b61c0c5ca464d1a6a70a3c54b847f6984e804bf9ff4dae3b
checked at 2026-08-10T07:40:56.709960Z
Reachable?rung 2 · resolvable
pass
The document URL it declared actually answers when fetched.
passed
elapsed_ms
2957
final_url
https://static.okx.com/cdn/web3/wallet/marketplace/headimages/agent/card/9913b859-16ff-4e61-9773-fd777d01e678.json
http_status
200
request_url
https://static.okx.com/cdn/web3/wallet/marketplace/headimages/agent/card/9913b859-16ff-4e61-9773-fd777d01e678.json
scheme
https
uri
https://static.okx.com/cdn/web3/wallet/marketplace/headimages/agent/card/9913b859-16ff-4e61-9773-fd777d01e678.json
checked at 2026-08-10T07:40:56.709960Z
Readable?rung 3 · parseable
pass
What came back is valid JSON that a machine can read.
passed
body_bytes
8954
body_sha256
82d3c6f2c11e9a491a3759a4eeb415d970b0fbeade3027ec3355039a52d6a631
content_type
application/json
checked at 2026-08-10T07:40:56.709960Z
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, active, supportedTrust
must_violations
(empty)
registrations_checked
0
services_field_source
services
services_status
present
should_gaps
services[].version, registrations
spec_commit
68fc6765761a10fb26f0692df21c8a6f9d12b1be
checked at 2026-08-10T07:40:56.709960Z
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 2026-08-10T07:40:56.709960Z
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://evm-canon.onrender.com/canonicalize","elapsed_ms":368,"final_url":"https://evm-canon.onrender.com/canonicalize","http_status":402,"index":0,"kind":"https","name":"MCP","outcome":"live","payment_gated":true,"probed":true,"probed_url":"https://evm-canon.onrender.com/canonicalize"}, {"declared":"https://evm-canon.onrender.com/decode","elapsed_ms":474,"final_url":"https://evm-canon.onrender.com/decode","http_status":402,"index":1,"kind":"https","name":"MCP","outcome":"live","payment_gated":true,"probed":true,"probed_url":"https://evm-canon.onrender.com/decode"}, {"declared":"https://evm-canon.onrender.com/resolve","elapsed_ms":1993,"final_url":"https://evm-canon.onrender.com/resolve","http_status":402,"index":2,"kind":"https","name":"MCP","outcome":"live","payment_gated":true,"probed":true,"probed_url":"https://evm-canon.onrender.com/resolve"}, {"declared":"https://evm-canon.onrender.com/checksum","elapsed_ms":331,"final_url":"https://evm-canon.onrender.com/checksum","http_status":402,"index":3,"kind":"https","name":"MCP","outcome":"live","payment_gated":true,"probed":true,"probed_url":"https://evm-canon.onrender.com/checksum"}, {"declared":"https://evm-canon.onrender.com/encode","elapsed_ms":688,"final_url":"https://evm-canon.onrender.com/encode","http_status":402,"index":4,"kind":"https","name":"MCP","outcome":"live","payment_gated":true,"probed":true,"probed_url":"https://evm-canon.onrender.com/encode"}, {"declared":"https://evm-canon.onrender.com/encode/transfer","elapsed_ms":1583,"final_url":"https://evm-canon.onrender.com/encode/transfer","http_status":402,"index":5,"kind":"https","name":"MCP","outcome":"live","payment_gated":true,"probed":true,"probed_url":"https://evm-canon.onrender.com/encode/transfer"}, {"declared":"https://evm-canon.onrender.com/encode/approve","elapsed_ms":740,"final_url":"https://evm-canon.onrender.com/encode/approve","http_status":402,"index":6,"kind":"https","name":"MCP","outcome":"live","payment_gated":true,"probed":true,"probed_url":"https://evm-canon.onrender.com/encode/approve"}, {"declared":"https://evm-canon.onrender.com/encode/transfer-from","elapsed_ms":1749,"final_url":"https://evm-canon.onrender.com/encode/transfer-from","http_status":402,"index":7,"kind":"https","name":"MCP","outcome":"live","payment_gated":true,"probed":true,"probed_url":"https://evm-canon.onrender.com/encode/transfer-from"}, {"declared":"https://evm-canon.onrender.com/encode/nft-transfer","elapsed_ms":1197,"final_url":"https://evm-canon.onrender.com/encode/nft-transfer","http_status":402,"index":8,"kind":"https","name":"MCP","outcome":"live","payment_gated":true,"probed":true,"probed_url":"https://evm-canon.onrender.com/encode/nft-transfer"}, {"declared":"https://evm-canon.onrender.com/encode/approve-all","elapsed_ms":975,"final_url":"https://evm-canon.onrender.com/encode/approve-all","http_status":402,"index":9,"kind":"https","name":"MCP","outcome":"live","payment_gated":true,"probed":true,"probed_url":"https://evm-canon.onrender.com/encode/approve-all"}, {"declared":"https://evm-canon.onrender.com/encode/wrap","elapsed_ms":1993,"final_url":"https://evm-canon.onrender.com/encode/wrap","http_status":402,"index":10,"kind":"https","name":"MCP","outcome":"live","payment_gated":true,"probed":true,"probed_url":"https://evm-canon.onrender.com/encode/wrap"}, {"declared":"https://evm-canon.onrender.com/encode/unwrap","elapsed_ms":1974,"final_url":"https://evm-canon.onrender.com/encode/unwrap","http_status":402,"index":11,"kind":"https","name":"MCP","outcome":"live","payment_gated":true,"probed":true,"probed_url":"https://evm-canon.onrender.com/encode/unwrap"}, {"declared":"https://evm-canon.onrender.com/encode/swap","elapsed_ms":1462,"final_url":"https://evm-canon.onrender.com/encode/swap","http_status":402,"index":12,"kind":"https","name":"MCP","outcome":"live","payment_gated":true,"probed":true,"probed_url":"https://evm-canon.onrender.com/encode/swap"}, {"declared":"https://evm-canon.onrender.com/encode/permit","elapsed_ms":1245,"final_url":"https://evm-canon.onrender.com/encode/permit","http_status":402,"index":13,"kind":"https","name":"MCP","outcome":"live","payment_gated":true,"probed":true,"probed_url":"https://evm-canon.onrender.com/encode/permit"}
endpoints_answered_not_live
0
endpoints_declared
14
endpoints_live
14
endpoints_our_error
0
endpoints_payment_gated
14
endpoints_probeable
14
endpoints_probed
14
endpoints_refused
0
checked at 2026-08-10T08:28:46.157805Z
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 2026-08-10T07:40:56.709960Z

On-chain snapshot

xlayer

token id: 4894
owner: 0x8797b596a56f8b2d46f428fca2e6ac2a62a353ee
block: 67,576,783
observed: 2026-08-10T07:40:56.712727Z

tokenURIopen →

https://static.okx.com/cdn/web3/wallet/marketplace/headimages/agent/card/9913b859-16ff-4e61-9773-fd777d01e678.json

What the fetch saw

https

scheme: https
request url: https://static.okx.com/cdn/web3/wallet/marketplace/headimages/agent/card/9913b859-16ff-4e61-9773-fd777d01e678.json
final url: https://static.okx.com/cdn/web3/wallet/marketplace/headimages/agent/card/9913b859-16ff-4e61-9773-fd777d01e678.json
http status: 200
content type: application/json
size: 8,954 bytes
sha256: 82d3c6f2c11e9a491a3759a4eeb415d970b0fbeade3027ec3355039a52d6a631
elapsed: 2,957 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: ab6e134c-8018-4814-80bb-c83fb79f3710
chain: xlayer
pinned block: 67,576,783
agents: 10,723
started: 2026-08-10T07:10:20.176367Z
finished: 2026-08-10T08:11:41.005767Z
checker: 0.7.0 · 55deaa9ce71c025a9199311a53cdc2de236eae53
spec commit: 68fc6765761a10fb26f0692df21c8a6f9d12b1be

Reproduce

cargo run -p sweeper -- xlayer   # at block 67576783

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