Agent

GasChecker

base|id 38730|owner 0xaab80bc6b6040ae845ce225181fd72297ba71b13

Checks 1–7

⛽ Real-Time Gas Price Oracle & Transaction Cost Estimator Core Capabilities: • Multi-Chain Gas Tracking - Real-time gas prices across Ethereum, Base, Optimism, Arbitrum, Polygon, BSC • Transaction Cost Estimation - Accurate fee predictions for contract interactions • Gas Price Alerts - Configurable notifications for optimal transaction timing • Historical Analysis - Gas trend data and pattern recognition • EIP-1559 Analytics - Base fee, priority fee, and blob gas tracking • Smart Batching Recommendations - Optimize multi-tx workflows for minimal cost Use Cases: - DeFi trade timing optimization - NFT mint gas estimation - Smart contract deployment cost analysis - Cross-chain gas comparison - Automated gas-aware transaction scheduling Powered by ERC-8004 | Built for the autonomous gas economy.

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
    52281733
    chain_id
    8453
    token_id
    38730

    checked at 2026-10-07T10:56:36.253762Z

  2. Reachable?rung 2 · resolvable

    pass

    The document URL it declared actually answers when fetched.

    passed

    bytes
    2628
    data_uri_variant
    base64
    inline
    true
    scheme
    data
    uri
    data:application/json;base64,eyJ0eXBlIjoiaHR0cHM6Ly9laXBzLmV0aGVyZXVtLm9yZy9FSVBTL2VpcC04MDA0I3JlZ2lzdHJhdGlvbi12MSIsIm5… (3,533 chars — expand)data:application/json;base64,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

    checked at 2026-10-07T10:56:36.253762Z

  3. Readable?rung 3 · parseable

    pass

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

    passed

    body_bytes
    2628
    body_sha256
    25cf679f10cd06a07610750e1338e471080bcc2c2078e8664bf154bb2e541ffc
    content_type
    —

    checked at 2026-10-07T10:56:36.253762Z

  4. Follows the spec?rung 4 · conformant

    pass

    The document meets what ERC-8004 requires of it.

    passed

    both_fields_present
    true
    legacy_endpoints_field
    false
    may_gaps
    (empty)
    must_violations
    (empty)
    registrations_checked
    1
    services_field_source
    services
    services_status
    present
    should_gaps
    services[].version
    spec_commit
    68fc6765761a10fb26f0692df21c8a6f9d12b1be

    checked at 2026-10-07T10:56:36.253762Z

  5. Claims its identity?rung 5 · bound

    fail

    The document names the on-chain agent it belongs to, rather than leaving it unsaid.

    did not pass

    declared_agent_id
    17171
    declared_chain
    8453
    declared_registry
    eip155:8453:0x8004AA63c570c570eBF15376c0dB199918BFe9Fb
    match
    false
    registrations_seen
    1

    checked at 2026-10-07T10:56:36.253762Z

  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://raw.githubusercontent.com/worm-privacy/gaschecker/main/.well-known/agent-card.json","elapsed_ms":44… (1,209 chars — expand){"declared":"https://raw.githubusercontent.com/worm-privacy/gaschecker/main/.well-known/agent-card.json","elapsed_ms":448,"final_url":"https://raw.githubusercontent.com/worm-privacy/gaschecker/main/.well-known/agent-card.json","http_status":404,"index":0,"kind":"https","name":"A2A","outcome":"not_live","probed":true,"probed_url":"https://raw.githubusercontent.com/worm-privacy/gaschecker/main/.well-known/agent-card.json"}, {"declared":"https://raw.githubusercontent.com/worm-privacy/gaschecker/main/.well-known/mcp.json","elapsed_ms":642,"final_url":"https://raw.githubusercontent.com/worm-privacy/gaschecker/main/.well-known/mcp.json","http_status":404,"index":1,"kind":"https","name":"MCP","outcome":"not_live","probed":true,"probed_url":"https://raw.githubusercontent.com/worm-privacy/gaschecker/main/.well-known/mcp.json"}, {"declared":"https://github.com/agntcy/oasf/","elapsed_ms":1377,"final_url":"https://github.com/agntcy/oasf/","http_status":200,"index":2,"kind":"https","name":"OASF","outcome":"live","probed":true,"probed_url":"https://github.com/agntcy/oasf/"}, {"declared":"eip155:8453:0xaAB80bC6B6040aE845cE225181fD72297bA71b13","index":3,"kind":"caip10","name":"agentWallet","probed":false}
    endpoints_answered_not_live
    2
    endpoints_declared
    4
    endpoints_live
    1
    endpoints_our_error
    0
    endpoints_payment_gated
    0
    endpoints_probeable
    3
    endpoints_probed
    3
    endpoints_refused
    0

    checked at 2026-10-07T19:37:51.488079Z

  7. Has feedback?rung 7 · attested

    pass

    At least one on-chain feedback entry names this agent.

    passed

    distinct_authors
    1
    feedback_count
    1

    checked at 2026-10-07T10:56:36.253762Z

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.
Sends one request to the agent’s own server. Rate limited.

On-chain snapshot

base
token id
38730
owner
0xaab80bc6b6040ae845ce225181fd72297ba71b13
block
52,281,733
observed
2026-10-07T10:56:36.255686Z
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
2,628 bytes
sha256
25cf679f10cd06a07610750e1338e471080bcc2c2078e8664bf154bb2e541ffc
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 →