SpendPreflight

Connect Remote server

claude mcp add --transport http spendpreflight https://api.spendpreflight.com/mcp

{
  "mcpServers": {
    "spendpreflight": {
      "url": "https://api.spendpreflight.com/mcp"
    }
  }
}

{
  "servers": {
    "spendpreflight": {
      "type": "http",
      "url": "https://api.spendpreflight.com/mcp"
    }
  }
}

Settings > Connectors > Add custom connector
URL: https://api.spendpreflight.com/mcp

Tools 17 found in our last check

• preflight_payment

  Use when you are about to sign an x402 payment for allow, hold or block, reasons and a signed decision receipt. Covers payee sanctions screening, spending rules and cached price/recipient evidence where available. For separate evidence, use lint_endpoint/listing_guard for techni…

• check_payee

  Use when you need standalone payee screening without a payment decision. Payee risk check. Screens a payee wallet address and name against the OFAC SDN sanctions list and checks the merchant domain's registration age and DNS. Returns risk low|medium|high|unknown with flags such…

• lint_endpoint

  Use when you sell via x402 and want a free check of your public payment challenge. Free x402 Lint by SpendPreflight. Includes a free passive Security Check summary; optional full report with fixes is $0.10, no automatic payment. Checks a public HTTPS endpoint with an unpaid GET:…

• check_token

  Use when you need a bounded Base token assessment with explicit unassessed areas. Base contract safety signals from bounded public-chain reads and OFAC. Basic: deployed bytecode and SDN match. Deep adds standard owner(), paused(), totalSupply(), decimals() and ERC-1967 storage o…

• payment_receipt

  Use when you need a signed observation of an existing Base USDC transfer. Verify a native Base USDC transfer by tx_hash (optional log_index), or exact pay_to + decimal amount + past start/end (max 90 days). Ambiguous matches fail without charge. Signed observation, OFAC flags, c…

• get_service_info

  Use when you need more tools: browse Buyers, Sellers, Books and Data APIs, prices, rules and examples. If you have a payment challenge, call preflight_payment directly. Free, read-only service reference. Use when you need prices, default spending rules, payment setup, trial allo…

• verify_payee_binding

  Use when a seller advertises an ERC-8004 identity and you need an ERC-8478 Draft wallet-binding observation. ERC-8478 Draft payee verification: endpoint origin and ERC-8004 agent wallet or EIP-712 delegation at one pinned registry block. Nine explicit outcomes; not-read is uncha…

• quote_check

  Use when you need an exact quote compared with cached public price and recipient evidence. Compare a supplied x402 quote with the latest comparable cached public unpaid quote and disclosed retained history. Scout keeps only the latest probe; the separate public index can retain…

• listing_guard

  Use when you need a detailed public listing metadata check. Bazaar Listing Guard: CDP technical validation plus a bounded heuristic metadata screen for agent-directed instructions, embedded URLs, tool calls, invisible Unicode, long fields and prices above 100x a fresh Scout cate…

• check_listing

  Use when an existing integration calls the listing_guard compatibility alias. Compatibility alias of listing_guard for existing clients. Prefer listing_guard for a new detailed metadata check; these are the same operation, not two independent checks. Bazaar Listing Guard: CDP te…

• security_check

  Use when you need the full passive evidence from a current complete saved Lint report. x402 Security Check (Lint Pro). Detailed passive findings and source-linked fixes from an existing, unexpired free Lint report. $0.10 USDC on Base, no trial or automatic payment. No new target…

• seller_index

  Use when you need sellers from the existing cached public catalog. Search cached public x402 sellers. First three matches free; up to12 cost0.01 USDC only with extra matches. Bounded unpaid availability, 402, quote history and public Lint evidence; missing evidence unknown. Part…

• domain_auth

  Use when you need public DNS email-authentication observations for a domain. Observe a public domain’s MX, SPF, direct DMARC record, supplied DKIM selectors and resolver-reported DNSSEC evidence.0.005 USDC per usable report, no shared trial. Fixed public Cloudflare DoH only, at…

• check_endpoint

  Use when you need cached public endpoint evidence. Cached x402 endpoint observations, operated by SpendPreflight. Returns a transparent score (or unknown), its components and seven-day unpaid probe history for an already publicly listed URL. Never fetches the caller's URL or pay…

• wallet_statement

  Use when you need a reconciled Base USDC statement for a bounded UTC window. Export native Base USDC wallet transfers as JSON or CSV for a past range up to 90 days, start inclusive/end exclusive. Exact decimal running balances, counterparties and OFAC flags. Up to 1000 transfers…

• find_rv_stations

  Use when you need nearby RV stations from the dated FillPoint snapshot; see Data APIs. Nearest RV dump/water stations from FillPoint RV's dated September 17, 2026 ODbL snapshot. $0.01 for bounded straight-line proximity calculation, not live access, potable-water assurance or ro…

• size_solar

  Use when you need solar energy arithmetic from supplied assumptions; see Data APIs. Off-grid PV energy-balance estimate based on Wattpath by Nomad Energy Club. Supply daily loads, peak sun hours, PV losses, and optional battery assumptions. No location/weather lookup, electrical…

Details

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