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Agent

Stable Yield Guard

xlayer|id 4925|owner 0x87f338b4aa27f7c2570970dc53f2b512b6dfdbc5

Checks 1–7

面向稳定币持有者和自动化 Agent 的只读收益风险筛选器。服务从公开收益池数据中筛选指定稳定币和链，综合 TVL、APY、奖励排放占比、多资产暴露、无常损失、异常值及近期收益波动，返回风险调整后的候选池和明确的 ALLOW / REVIEW / BLOCK 自动化闸门。不连接钱包、不请求授权、不存入资金，也不承诺收益。

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.

  1. 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
    0x87f338b4aa27f7c2570970dc53f2b512b6dfdbc5
    registry
    0x8004a169fb4a3325136eb29fa0ceb6d2e539a432
    token_id
    4925
    tx_hash
    0x2d47ccc1bff09b715ad60b38a8ae13d7b01c71417dbaba1e6def1d4b7eef79bf

    checked at 2026-08-10T07:41:05.974948Z

  2. Reachable?rung 2 · resolvable

    pass

    The document URL it declared actually answers when fetched.

    passed

    elapsed_ms
    2741
    final_url
    https://static.okx.com/cdn/web3/wallet/marketplace/headimages/agent/card/7e40cd2b-23e6-4f0d-b126-99efe8081b02.json
    http_status
    200
    request_url
    https://static.okx.com/cdn/web3/wallet/marketplace/headimages/agent/card/7e40cd2b-23e6-4f0d-b126-99efe8081b02.json
    scheme
    https
    uri
    https://static.okx.com/cdn/web3/wallet/marketplace/headimages/agent/card/7e40cd2b-23e6-4f0d-b126-99efe8081b02.json

    checked at 2026-08-10T07:41:05.974948Z

  3. Readable?rung 3 · parseable

    pass

    What came back is valid JSON that a machine can read.

    passed

    body_bytes
    1400
    body_sha256
    9adc85804a7f253bbc17f4fa966bd2147f94c1004f942dbf981cd820181958b4
    content_type
    application/json

    checked at 2026-08-10T07:41:05.974948Z

  4. 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 2026-08-10T07:41:05.974948Z

  5. 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 2026-08-10T07:41:05.974948Z

  6. 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.onharmony.net/stable-yield-gate","elapsed_ms":1803,"final_url":"https://mcp.onharmony.net/stable-yield-gate","http_status":402,"index":0,"kind":"https","name":"MCP","outcome":"live","payment_gated":true,"probed":true,"probed_url":"https://mcp.onharmony.net/stable-yield-gate"}
    endpoints_answered_not_live
    0
    endpoints_declared
    1
    endpoints_live
    1
    endpoints_our_error
    0
    endpoints_payment_gated
    1
    endpoints_probeable
    1
    endpoints_probed
    1
    endpoints_refused
    0

    checked at 2026-08-10T08:28:46.157805Z

  7. 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 2026-08-10T07:41:05.974948Z

On-chain snapshot

xlayer
token id
4925
owner
0x87f338b4aa27f7c2570970dc53f2b512b6dfdbc5
block
67,576,783
observed
2026-08-10T07:41:05.978588Z
tokenURIopen →
https://static.okx.com/cdn/web3/wallet/marketplace/headimages/agent/card/7e40cd2b-23e6-4f0d-b126-99efe8081b02.json

What the fetch saw

https
scheme
https
request url
https://static.okx.com/cdn/web3/wallet/marketplace/headimages/agent/card/7e40cd2b-23e6-4f0d-b126-99efe8081b02.json
final url
https://static.okx.com/cdn/web3/wallet/marketplace/headimages/agent/card/7e40cd2b-23e6-4f0d-b126-99efe8081b02.json
http status
200
content type
application/json
size
1,400 bytes
sha256
9adc85804a7f253bbc17f4fa966bd2147f94c1004f942dbf981cd820181958b4
elapsed
2,741 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 →