ZERO Payment Guard

host.beacon.worker.zero-payment-guard/payment-guardVersion 1.5.1

Base wallet snapshot, tx status, payment & token checks, company enrichment, web to Markdown; x402.

Status

Responds304 msNov 14, 2026, 14:32 UTCAnswered our handshake without sign-in.

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Last checked: Nov 14, 2026, 14:32 UTC
Latency: 304 ms
Remotes responding: 1 of 1
Sign-in: No sign-in
Hosting: Hosted outside the EU (detected)
Registry data as of: Nov 14, 2026, 22:14 UTC

Data from the official MCP Registry, checked by run.zero. How we check

Connect

Streamable HTTP

https://zero-payment-guard.worker.beacon.host/mcpResponds304 msNov 14, 2026, 14:32 UTC

No sign-in

Claude Code

claude mcp add --transport http payment-guard https://zero-payment-guard.worker.beacon.host/mcp

Claude Desktop and claude.ai

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Settings > Connectors > Add custom connector
Name: payment-guard
Remote MCP server URL: https://zero-payment-guard.worker.beacon.host/mcp

Cursor

{
  "mcpServers": {
    "payment-guard": {
      "url": "https://zero-payment-guard.worker.beacon.host/mcp"
    }
  }
}

VS Code

code --add-mcp '{"name":"payment-guard","type":"http","url":"https://zero-payment-guard.worker.beacon.host/mcp"}'

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Tools

11 tools

Tools of ZERO Payment Guard
	Description		Read-only	Idempotent	Open world
`basename_resolve`Paid $0.001 per call (x402, USDC on Base). Resolve a Basename (alice.base.eth) to its Base address, or an address to its primary Basename with forward-verification. Use before sending funds to a name.	Paid $0.001 per call (x402, USDC on Base). Resolve a Basename (alice.base.eth) to its Base address, or an address to its primary Basename with forward-verification. Use before sending funds to a name.	No	Yes	Yes	Yes
`company_brief`Paid $0.003 per call (x402, USDC on Base). One call to research a company: everything domain_enrich returns (socials, email provider, SPF/DMARC, DNS provider, RDAP age, tech stack, SaaS signals) plus its homepage and About page as clean Markdown.	Paid $0.003 per call (x402, USDC on Base). One call to research a company: everything domain_enrich returns (socials, email provider, SPF/DMARC, DNS provider, RDAP age, tech stack, SaaS signals) plus its homepage and About page as clean Markdown.	No	Yes	Yes	Yes
`domain_enrich`Paid $0.002 per call (x402, USDC on Base). Domain, URL or work email to a company profile from public sources: name, description, logo, social profiles, homepage contact emails/phones; email provider from MX, SPF/DMARC policy; DNS provider; SaaS signals from TXT verifications; RDAP registrar, creation date, age, expiry; website tech stack.	Paid $0.002 per call (x402, USDC on Base). Domain, URL or work email to a company profile from public sources: name, description, logo, social profiles, homepage contact emails/phones; email provider from MX, SPF/DMARC policy; DNS provider; SaaS signals from TXT verifications; RDAP registrar, creation date, age, expiry; website tech stack.	No	Yes	Yes	Yes
`page_extract`Paid $0.001 per call (x402, USDC on Base). Fetch a public web page and return its main content as clean Markdown plus metadata: title, description, canonical, language, author, dates, OpenGraph/Twitter card, JSON-LD types, headings outline, favicon, feeds, link counts (links=true for the list). Honours robots.txt.	Paid $0.001 per call (x402, USDC on Base). Fetch a public web page and return its main content as clean Markdown plus metadata: title, description, canonical, language, author, dates, OpenGraph/Twitter card, JSON-LD types, headings outline, favicon, feeds, link counts (links=true for the list). Honours robots.txt.	No	Yes	Yes	Yes
`page_extract_batch`Paid $0.008 per call (x402, USDC on Base). Extract up to 10 public web pages in parallel to clean Markdown + metadata. Per-URL errors are inline; fails (not charged) only if no URL succeeds.	Paid $0.008 per call (x402, USDC on Base). Extract up to 10 public web pages in parallel to clean Markdown + metadata. Per-URL errors are inline; fails (not charged) only if no URL succeeds.	No	Yes	Yes	Yes
`sample_report`Free: real live x402 preflight of a fixed sample endpoint and a token check of USDC on Base, same shapes as the paid tools.	Free: real live x402 preflight of a fixed sample endpoint and a token check of USDC on Base, same shapes as the paid tools.	No	Yes	Yes	Yes
`token_check`Paid $0.003 per call (x402, USDC on Base). Before accepting, swapping or approving a token on Base: is it a contract, ERC-20 metadata, canonical official deployment (USDC, EURC, WETH, cbBTC...), impersonation of a major symbol, upgradeable proxy and admin type, owner, paused. Verdict canonical/ok/caution/block.	Paid $0.003 per call (x402, USDC on Base). Before accepting, swapping or approving a token on Base: is it a contract, ERC-20 metadata, canonical official deployment (USDC, EURC, WETH, cbBTC...), impersonation of a major symbol, upgradeable proxy and admin type, owner, paused. Verdict canonical/ok/caution/block.	No	Yes	Yes	Yes
`tx_status`Paid $0.001 per call (x402, USDC on Base). State not_found/pending/success/reverted, block, confirmations, from/to, fee in ETH (incl. L1 fee), method selector, decoded ERC-20 Transfer events with symbols/amounts (canonical tokens flagged). Use to confirm a payment, swap or call landed.	Paid $0.001 per call (x402, USDC on Base). State not_found/pending/success/reverted, block, confirmations, from/to, fee in ETH (incl. L1 fee), method selector, decoded ERC-20 Transfer events with symbols/amounts (canonical tokens flagged). Use to confirm a payment, swap or call landed.	No	Yes	Yes	Yes
`usdc_payment_check`Paid $0.002 per call (x402, USDC on Base). Verify a Base mainnet transaction paid native Circle USDC (not bridged USDbC) to a recipient, with minimum amount and confirmations. Use before releasing goods or marking an invoice paid. Verdict paid/not_paid/not_found.	Paid $0.002 per call (x402, USDC on Base). Verify a Base mainnet transaction paid native Circle USDC (not bridged USDbC) to a recipient, with minimum amount and confirmations. Use before releasing goods or marking an invoice paid. Verdict paid/not_paid/not_found.	No	Yes	Yes	Yes
`wallet_snapshot`Paid $0.002 per call (x402, USDC on Base). One call: ETH and canonical Base token balances (native USDC, USDbC, EURC, WETH, cbBTC, cbETH, DAI, USDT), nonce, EOA or contract, flags (fresh/unused address, holds bridged USDbC). Use before sending funds or accepting a counterparty.	Paid $0.002 per call (x402, USDC on Base). One call: ETH and canonical Base token balances (native USDC, USDbC, EURC, WETH, cbBTC, cbETH, DAI, USDT), nonce, EOA or contract, flags (fresh/unused address, holds bridged USDbC). Use before sending funds or accepting a counterparty.	No	Yes	Yes	Yes
`x402_preflight`Paid $0.005 per call (x402, USDC on Base). Before your agent pays an unknown x402 endpoint: fetch its 402 unpaid and check the asset is canonical Circle USDC for that network, price/scheme/timeout sanity, and payTo (contract or EOA, USDC balance on Base). Returns verdict ok/caution/block with per-option flags.	Paid $0.005 per call (x402, USDC on Base). Before your agent pays an unknown x402 endpoint: fetch its 402 unpaid and check the asset is canonical Circle USDC for that network, price/scheme/timeout sanity, and payTo (contract or EOA, USDC balance on Base). Returns verdict ok/caution/block with per-option flags.	No	Yes	Yes	Yes

Details

Registry status: Active
Published: Nov 13, 2026
Updated: Nov 13, 2026
Website: https://zero-payment-guard.worker.beacon.host/⁠ (opens in a new tab)
Repository: https://github.com/qweewqqwe221/zero-payment-guard⁠ (opens in a new tab)
Categories (suggested): Finance and paymentsSuggested categories are assigned automatically from the registry text and may be wrong. Verified operators can correct them.
GDPR: Not declared

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