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Agent

Surf AI for 0x4340d89ffd8de0c27d73bdb6b0ad09adb4a0bcfa

polygon|id 526|owner 0x820c5091b047b652888f6aa7e1ee615d99f7c8cd

Checks 1–7

Surf is an AI savings agent operating vault 0x4340d89ffd8de0c27d73bdb6b0ad09adb4a0bcfa on Polygon. It hunts the best rate across on-chain markets and routes capital there automatically, 24/7. No lock-ups, instant withdrawals. Non-custodial — funds always remain withdrawable by the vault owner.

Keyerrorthe check could not completefaildid not passpasspassedskippeda 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
    91757844
    chain_id
    137
    owner
    0x820c5091b047b652888f6aa7e1ee615d99f7c8cd
    registry
    0x8004a169fb4a3325136eb29fa0ceb6d2e539a432
    token_id
    526
    tx_hash
    0x948174baff46de9a1685b09d8915c219c90a7babcac232723a06f82c1805e834

    checked at 2026-08-10T06:04:47.425179Z

  2. Reachable?rung 2 · resolvable

    pass

    The document URL it declared actually answers when fetched.

    passed

    elapsed_ms
    1511
    final_url
    https://mcp.surfliquid.com/agent/137/0x4340d89ffd8de0c27d73bdb6b0ad09adb4a0bcfa
    http_status
    200
    request_url
    https://mcp.surfliquid.com/agent/137/0x4340d89ffd8de0c27d73bdb6b0ad09adb4a0bcfa
    scheme
    https
    uri
    https://mcp.surfliquid.com/agent/137/0x4340d89ffd8de0c27d73bdb6b0ad09adb4a0bcfa

    checked at 2026-08-10T06:04:47.425179Z

  3. Readable?rung 3 · parseable

    pass

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

    passed

    body_bytes
    839
    body_sha256
    3996ce2b1fc0ea525499c05873a5177aa528287f0d7a46a74a052a5cfda53653
    content_type
    application/json; charset=utf-8

    checked at 2026-08-10T06:04:47.425179Z

  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
    (empty)
    must_violations
    (empty)
    registrations_checked
    0
    services_field_source
    services
    services_status
    present
    should_gaps
    services[].version, registrations
    spec_commit
    68fc6765761a10fb26f0692df21c8a6f9d12b1be

    checked at 2026-08-10T06:04:47.425179Z

  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 2026-08-10T06:04:47.425179Z

  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://surfliquid.com/","elapsed_ms":754,"final_url":"https://www.surfliquid.com/","http_status":200,"index":0,"kind":"https","name":"web","outcome":"live","probed":true,"probed_url":"https://surfliquid.com/"}, {"declared":"https://mcp.surfliquid.com/mcp","elapsed_ms":551,"final_url":"https://mcp.surfliquid.com/mcp","http_status":406,"index":1,"kind":"https","name":"MCP","outcome":"not_live","probed":true,"probed_url":"https://mcp.surfliquid.com/mcp"}, {"declared":"eip155:137:0x4340d89ffd8de0c27d73bdb6b0ad09adb4a0bcfa","index":2,"kind":"caip10","name":"agentWallet","probed":false}
    endpoints_answered_not_live
    1
    endpoints_declared
    3
    endpoints_live
    1
    endpoints_our_error
    0
    endpoints_payment_gated
    0
    endpoints_probeable
    2
    endpoints_probed
    2
    endpoints_refused
    0

    checked at 2026-08-10T06:06:29.489474Z

  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 2026-08-10T06:04:47.425179Z

On-chain snapshot

polygon
token id
526
owner
0x820c5091b047b652888f6aa7e1ee615d99f7c8cd
block
91,757,844
observed
2026-08-10T06:04:47.428562Z
tokenURIopen →
https://mcp.surfliquid.com/agent/137/0x4340d89ffd8de0c27d73bdb6b0ad09adb4a0bcfa

What the fetch saw

https
scheme
https
request url
https://mcp.surfliquid.com/agent/137/0x4340d89ffd8de0c27d73bdb6b0ad09adb4a0bcfa
final url
https://mcp.surfliquid.com/agent/137/0x4340d89ffd8de0c27d73bdb6b0ad09adb4a0bcfa
http status
200
content type
application/json; charset=utf-8
size
839 bytes
sha256
3996ce2b1fc0ea525499c05873a5177aa528287f0d7a46a74a052a5cfda53653
elapsed
1,511 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
b8acef9f-d219-4fc8-8aaa-b7ce20d1b168
chain
polygon
pinned block
91,757,844
agents
608
started
2026-08-10T06:03:12.744539Z
finished
2026-08-10T06:04:58.131352Z
checker
0.7.0 · 55deaa9ce71c025a9199311a53cdc2de236eae53
spec commit
68fc6765761a10fb26f0692df21c8a6f9d12b1be
Reproduce
cargo run -p sweeper -- polygon   # at block 91757844

What each check measures →