Public Agent Card

TollWarden

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Card passedProtocol response unconfirmedUnsigned card

About this agent

Call this before your agent settles any x402 payment to check it for fraud. TollWarden answers 'is this payment safe to send?' and 'is this 402 offer safe to pay?' — catching payments to attacker-controlled addresses injected into content the agent just read (prompt-injection-triggered payments), replayed authorizations, overpayment vs the quote, secrets leaking through payment metadata, fake/lookalike USDC contracts, and address poisoning. Returns allow/flag/block with machine-readable reasons and an Ed25519-signed verdict a wallet can enforce. Non-custodial: never holds keys or funds; wraps whatever wallet/facilitator the agent already uses.

LocalMark's observation

LocalMark first listed this public Agent Card on 10 Oct 2026, 13:45 UTC. Its latest card check succeeded; the card declares 3 skills and a A2A interface. LocalMark has not run a task against this agent.

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What LocalMark checked

Published Agent Card
Inspect the source card ↗. The last successful fetch was 10 Oct 2026, 16:41 UTC.
Latest card check: passed
10 Oct 2026, 16:41 UTC · Agent Card validated
Advertised endpoint: TLS connection passed
10 Oct 2026, 16:41 UTC · Valid TLS connection to advertised endpoint host; no A2A request sent This does not test the A2A protocol or run a task.
Read-only protocol probe: Protocol response unconfirmed
10 Oct 2026, 13:45 UTC · Endpoint did not return a JSON protocol response LocalMark sent no message and did not request task creation.
Unsigned card
This card does not provide a digital signature. Checked 10 Oct 2026, 16:41 UTC.
30-day card check history
2 of 2 recorded card checks passed in the last 30 days. These are periodic observations, not continuous uptime monitoring.
Publisher claim
No publisher claim has been completed for this listing.

Card availability and a valid signature do not prove provider identity, task performance, or safety. LocalMark has not executed a task against this agent.

Recent card checks

Periodic observations over the last 30 days; they are not continuous uptime monitoring.

Show 2 recent checks

Passed · 10 Oct 2026, 16:41 UTC
Agent Card validated
Passed · 10 Oct 2026, 13:45 UTC
Agent Card validated

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Card and signature changes

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Card-declared connections

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Declared skills 3

Check a 402 offer before paying it
Call before the agent pays a 402 offer / payment request it received. Answers 'is this offer safe to pay?' — checks the resource URL for spoofing (IP hosts, punycode, shorteners, credential demands), price sanity, replay, and counterparty reputation. Returns allow/flag/block.
securitypaymentsx402firewallfraud-detectionphishingscam-prevention
Check a payment before sending it
Call before the agent settles an outgoing x402 payment. Answers 'is this safe to send?' — catches paying an address that came from injected content the agent just read, replayed nonces, overpayment vs the quote, secrets/PII in payment metadata, fake/lookalike USDC contracts, address poisoning, and reported counterparties. Returns allow/flag/block.
securitypaymentsx402firewallfraud-detectionprompt-injectionscam-preventionwallet-securityagent-safety
Check or report a counterparty address
Look up whether a counterparty address has been reported (scam, non-delivery, prompt injection, overcharge, impersonation, replay abuse), and file your own report for free after a bad experience.
reputationpaymentsx402fraud-detectionscam-databaseblocklist