{"id":291256,"recorded_at":"2026-10-26T20:52:53.892805Z","observed_at":"2026-10-26T20:52:53.892736Z","subject_kind":"endpoint","subject":"e999266e-f734-44c7-8978-b71ddf855ec0","kind":"mcp.tools","method":"probe.mcp/1","body":{"count":12,"tools":[{"description":"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 pays the endpoint. Unlisted, unavailable or stale data is not charged. This is not a paid-delivery or compliance guarantee. Provide the exact resource URL; add method when the URL has multiple advertised methods. Use for endpoint history and price context before paying. Use check_payee for wallet/name screening or preflight_payment for an allow/hold/block decision. Price $0.005 per cached lookup (shared free trial first). An unknown score means missing evidence; repeated paid calls may incur another charge.","inputSchema":{"$schema":"http://json-schema.org/draft-07/schema#","additionalProperties":false,"description":"Example arguments: {\"url\":\"https://api.spendpreflight.com/v1/check\",\"method\":\"GET\"}","properties":{"method":{"description":"Advertised method such as GET or POST; required if the URL is ambiguous","maxLength":16,"minLength":3,"type":"string"},"url":{"description":"Exact public HTTP(S) URL already listed by Bazaar or x402scan","maxLength":2048,"minLength":1,"type":"string"}},"required":["url"],"type":"object"},"name":"check_endpoint"},{"description":"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 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 category median. Returns riskScore, flagged spans and rewrite suggestions. Not Coinbase policy certification or guaranteed detection. Public HTTPS only; no target payment or request bodies stored. Price $0.05 USDC on Base; shared trial may apply.","inputSchema":{"$schema":"http://json-schema.org/draft-07/schema#","additionalProperties":false,"description":"Example arguments: {\"url\":\"https://api.spendpreflight.com/v1/check\",\"method\":\"GET\"}","properties":{"method":{"enum":["GET","HEAD","POST"],"type":"string"},"url":{"maxLength":2048,"type":"string"}},"required":["url","method"],"type":"object"},"name":"check_listing"},{"description":"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 as sanctioned_address, sanctioned_name_possible, new_domain. Call this before a USDC payment when you only have a payee name, wallet or domain. Provide at least one of domain, address, or name; inputs may be combined, and domain accepts a hostname or URL. For an x402 challenge or cart and an allow/hold/block spending-rule decision, use preflight_payment instead. Price $0.01 per call (free trial first).","inputSchema":{"$schema":"http://json-schema.org/draft-07/schema#","additionalProperties":false,"description":"Example arguments: {\"name\":\"Example Shop LLC\"}","properties":{"address":{"description":"Payee wallet address (EVM 0x…, BTC, etc.)","type":"string"},"domain":{"description":"Merchant domain or URL, e.g. shop.example.com","type":"string"},"name":{"description":"Merchant or payee legal name","type":"string"}},"type":"object"},"name":"check_payee"},{"description":"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 observations, exact ERC-1167 minimal-proxy target detection, a Sourcify runtime-verification claim matched to current bytecode, and direct-deployment age when independently supported by the creation receipt. Honeypot/sellability, liquidity locks, holder concentration and scam lists are NOT assessed. Missing data is unknown; never a safe-to-buy verdict. Informational, not financial advice. Basic $0.02; deep $0.05. Shared trial first.","inputSchema":{"$schema":"http://json-schema.org/draft-07/schema#","additionalProperties":false,"description":"Example arguments: {\"address\":\"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913\",\"chain\":\"eip155:8453\",\"tier\":\"basic\"}","properties":{"address":{"pattern":"^0x[0-9a-fA-F]{40}$","type":"string"},"chain":{"const":"eip155:8453","type":"string"},"tier":{"default":"basic","enum":["basic","deep"],"type":"string"}},"required":["address"],"type":"object"},"name":"check_token"},{"description":"Nearest RV dump/water stations from FillPoint RV's dated September 17, 2026 ODbL snapshot. $0.01 for bounded straight-line proximity calculation, not live access, potable-water assurance or road routing. Snapshot age and unknown current conditions are explicit. Full underlying projection is free under ODbL.","inputSchema":{"$schema":"http://json-schema.org/draft-07/schema#","additionalProperties":false,"description":"Example arguments: {\"latitude\":42.07,\"longitude\":-88.36,\"radius_km\":50,\"limit\":10,\"service\":\"dump\"}","properties":{"latitude":{"maximum":90,"minimum":-90,"type":"number"},"limit":{"default":10,"maximum":50,"minimum":1,"type":"integer"},"longitude":{"maximum":180,"minimum":-180,"type":"number"},"radius_km":{"default":50,"maximum":500,"minimum":0.1,"type":"number"},"service":{"default":"either","enum":["dump","water","either"],"type":"string"}},"required":["latitude","longitude"],"type":"object"},"name":"find_rv_stations"},{"description":"Free, read-only service reference. Use when you need prices, default spending rules, payment setup, trial allowance, or a ready-to-use example call. If you already have a payment challenge or cart, call preflight_payment directly; this reference call is optional. Takes no arguments and performs no payee screening or payment decision. Use check_payee for standalone payee risk; use preflight_payment for an x402 challenge or cart and an allow/hold/block decision.","inputSchema":{"$schema":"http://json-schema.org/draft-07/schema#","additionalProperties":false,"description":"Example arguments: {}","properties":{},"type":"object"},"name":"get_service_info"},{"description":"Free x402 Lint by SpendPreflight. Checks a public HTTPS endpoint with an unpaid GET: v1/v2 challenge shape, payTo/asset/network syntax, price, Bazaar metadata and browser CORS headers. Returns a heuristic Listing Guard riskScore (0–100 or unknown), fixes and a public seven-day report link. Positive scores include optional paid Listing Guard and monitoring links; no paid call is made. Scores are not safety or Bazaar acceptance guarantees. No payment or credentials; GET cannot validate a POST-only endpoint or paid delivery. Do not submit private URLs. CI Action: https://github.com/spendpreflight/x402-lint-action; report badge: /v1/lint/reports/{id}/badge.svg reads only the existing seven-day snapshot, never runs a check.","inputSchema":{"$schema":"http://json-schema.org/draft-07/schema#","additionalProperties":false,"description":"Example arguments: {\"url\":\"https://api.spendpreflight.com/v1/check?name=Acme\"}","properties":{"url":{"maxLength":2048,"minLength":1,"type":"string"}},"required":["url"],"type":"object"},"name":"lint_endpoint"},{"description":"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 category median. Returns riskScore, flagged spans and rewrite suggestions. Not Coinbase policy certification or guaranteed detection. Public HTTPS only; no target payment or request bodies stored. Price $0.05 USDC on Base; shared trial may apply.","inputSchema":{"$schema":"http://json-schema.org/draft-07/schema#","additionalProperties":false,"description":"Example arguments: {\"url\":\"https://api.spendpreflight.com/v1/check\",\"method\":\"GET\"}","properties":{"method":{"enum":["GET","HEAD","POST"],"type":"string"},"url":{"maxLength":2048,"type":"string"}},"required":["url","method"],"type":"object"},"name":"listing_guard"},{"description":"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, confirmations and printable HTML. Not invoice ownership or finality proof. Price $0.01 USDC on Base. No free trial.","inputSchema":{"$schema":"http://json-schema.org/draft-07/schema#","additionalProperties":false,"description":"Example arguments: {\"tx_hash\":\"0x1111111111111111111111111111111111111111111111111111111111111111\"}","properties":{"amount":{"pattern":"^(?:0|[1-9][0-9]{0,70})(?:\\.[0-9]{1,6})?$","type":"string"},"end":{"$ref":"#/properties/start"},"log_index":{"maximum":1000000,"minimum":0,"type":"integer"},"pay_to":{"pattern":"^0x[0-9a-fA-F]{40}$","type":"string"},"start":{"format":"date-time","type":"string"},"tx_hash":{"pattern":"^0x[0-9a-fA-F]{64}$","type":"string"}},"type":"object"},"name":"payment_receipt"},{"description":"Call this before any x402/USDC payment to evaluate the actual challenge or cart before signing. Spend preflight for AI agents. Send the x402 PaymentRequired body (v1 or v2) you received, or a cart, plus optional rules (per-payment max, hold threshold, daily cap, allowlists, new-domain days, endpoint category price multiple, liveness and payTo changes). Returns allow|hold|block with reasons, the cheapest acceptable payment option, and a receipt id. Read-only: never signs, settles, or holds funds. Use before every payment. It includes payee screening in its spending-rule decision. For standalone wallet, name, or domain screening without a payment, use check_payee instead. Each repeat call creates a new receipt and may consume another trial or paid call. Price $0.02 per call (free trial first).","inputSchema":{"$schema":"http://json-schema.org/draft-07/schema#","additionalProperties":false,"description":"Example arguments: {\"cart\":{\"merchant_name\":\"Example Shop LLC\",\"total_usd\":0.01},\"rules\":{\"max_per_payment_usd\":1},\"spent_today_usd\":0}","properties":{"cart":{"additionalProperties":false,"description":"Use instead of challenge for agent checkout / card payments","properties":{"merchant_domain":{"type":"string"},"merchant_name":{"type":"string"},"pay_to":{"type":"string"},"total_usd":{"type":"number"}},"type":"object"},"challenge":{"additionalProperties":{},"description":"The x402 PaymentRequired body (v1 or v2) your agent received with HTTP 402","type":"object"},"resource_method":{"description":"Advertised method for an indexed URL with multiple methods","maxLength":16,"minLength":3,"type":"string"},"resource_url":{"description":"URL that returned the 402, if not inside the challenge","type":"string"},"rules":{"additionalProperties":false,"description":"Spending rules; all optional. See get_service_info for defaults.","properties":{"allowed_networks":{"items":{"maxLength":128,"minLength":1,"type":"string"},"maxItems":100,"type":"array"},"daily_cap_usd":{"minimum":0,"type":"number"},"domain_allowlist":{"items":{"maxLength":253,"minLength":1,"type":"string"},"maxItems":100,"type":"array"},"domain_blocklist":{"items":{"maxLength":253,"minLength":1,"type":"string"},"maxItems":100,"type":"array"},"hold_above_usd":{"minimum":0,"type":"number"},"hold_on_payto_change":{"type":"boolean"},"max_per_payment_usd":{"exclusiveMinimum":0,"type":"number"},"max_price_multiple":{"anyOf":[{"exclusiveMinimum":0,"type":"number"},{"type":"null"}]},"new_domain_days":{"minimum":0,"type":"number"},"payto_allowlist":{"items":{"maxLength":128,"minLength":1,"type":"string"},"maxItems":100,"type":"array"},"payto_blocklist":{"items":{"maxLength":128,"minLength":1,"type":"string"},"maxItems":100,"type":"array"},"require_live":{"type":"boolean"},"screen_sanctions":{"type":"boolean"},"strict_allowlist":{"type":"boolean"},"usdc_only":{"type":"boolean"}},"type":"object"},"spent_today_usd":{"description":"What this agent already spent today, for the daily cap","type":"number"}},"type":"object"},"name":"preflight_payment"},{"description":"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 design, surge or installation certification. $0.02 per calculation; no stored inputs.","inputSchema":{"$schema":"http://json-schema.org/draft-07/schema#","additionalProperties":false,"description":"Example arguments: {\"loads\":[{\"watts\":100,\"hours_per_day\":5,\"quantity\":1,\"kind\":\"dc\"}],\"peak_sun_hours\":4,\"pv_loss_fraction\":0.2,\"panel_watts\":200,\"battery\":{\"voltage\":12,\"usable_fraction\":0.8,\"autonomy_days\":2}}","properties":{"battery":{"additionalProperties":false,"properties":{"autonomy_days":{"exclusiveMinimum":0,"maximum":30,"type":"number"},"existing_capacity_ah":{"maximum":1000000,"minimum":0,"type":"number"},"usable_fraction":{"maximum":1,"minimum":0.05,"type":"number"},"voltage":{"maximum":1000,"minimum":1,"type":"number"}},"required":["voltage","usable_fraction","autonomy_days"],"type":"object"},"inverter_efficiency":{"maximum":1,"minimum":0.1,"type":"number"},"loads":{"items":{"additionalProperties":false,"properties":{"hours_per_day":{"maximum":24,"minimum":0,"type":"number"},"kind":{"enum":["ac","dc"],"type":"string"},"quantity":{"default":1,"maximum":100,"minimum":1,"type":"integer"},"watts":{"maximum":100000,"minimum":0,"type":"number"}},"required":["watts","hours_per_day","kind"],"type":"object"},"maxItems":50,"minItems":1,"type":"array"},"panel_watts":{"maximum":2000,"minimum":1,"type":"number"},"peak_sun_hours":{"exclusiveMinimum":0,"maximum":24,"type":"number"},"pv_loss_fraction":{"maximum":0.95,"minimum":0,"type":"number"}},"required":["loads","peak_sun_hours","pv_loss_fraction"],"type":"object"},"name":"size_solar"},{"description":"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/128 RPC calls/25 seconds; oversized or unavailable historical data fails without charge. Informational, not tax advice. Price $0.05 USDC on Base. No free trial.","inputSchema":{"$schema":"http://json-schema.org/draft-07/schema#","additionalProperties":false,"description":"Example arguments: {\"address\":\"0x1111111111111111111111111111111111111111\",\"start\":\"2026-10-01T00:00:00Z\",\"end\":\"2026-10-02T00:00:00Z\",\"format\":\"json\"}","properties":{"address":{"pattern":"^0x[0-9a-fA-F]{40}$","type":"string"},"end":{"$ref":"#/properties/start"},"format":{"default":"json","enum":["json","csv"],"type":"string"},"start":{"format":"date-time","type":"string"}},"required":["address","start","end"],"type":"object"},"name":"wallet_statement"}]},"body_sha256":"5a7550263c9031fa878b49b21cc004ea1ac48dae53932159254ef3721c402f75","prev_id":null,"leaf":"0xd9f0e2e7807d188b785979d8d4c726262502d81fc5a68e3c6d46a41c2784018d","leaf_text":"{\"body\":\"5a7550263c9031fa878b49b21cc004ea1ac48dae53932159254ef3721c402f75\",\"id\":291256,\"kind\":\"mcp.tools\",\"method\":\"probe.mcp/1\",\"observed_us\":1793047973892736,\"prev\":null,\"subject\":\"e999266e-f734-44c7-8978-b71ddf855ec0\",\"subject_kind\":\"endpoint\"}","day":{"day":"2026-10-26","leaves":296695,"root":"0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8","chained":"0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a","anchor_chain":"eip155:5042002","anchor_tx":"0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae","anchor_block":69251483},"proof":["0xd9f106036c585f73e2bb1612688137fbfc91070e6479c939d7889eed40a613c2","0x77c7ade2f34a2a20add7cefeb2bc68b77cda60b63b6837c3ddeac8a584d46ce9","0xf5001ef04d581aeb396b1d203c8f7eb36a98b0b73a07681083ff66967a9c24ad","0x1c1b735aabc625ba37eaad0ad7b6b98d93dac271924ac8c8a28feb7b6380269c","0x7a99d8ad6a9e138807538b629be98345aeffebc5e46bd575df7523b495be8fef","0xb2a3d4662c25642038a45ce9ccf9ec32da72863bcb6df7e02c1a6f6c7a4ed59a","0x12099b74d3268b95bb7bf40862e9116133568d5a99ccaaf0bfdd0998dc615cc3","0x3321509009548b1682e1b723c2fcef96c859133af036bee0ae2b57dcd308c478","0x68c971729b04d1634887b79cea976d18d27a982e87ff4592dd02843c6beafffe","0xddb1d558f250f3c7af2a9114478d2e8fd2c1ccf13c41a7367d80c929b4a5e0c6","0xc65997d4cbe46cfb99054bd5df6a660823432d48a8d7d21b0c1bed1df236af25","0x3704bc5ad033a79977899a5ead894cf50c0b8c8432c020959cefe2af561eb5ee","0xcd9e3af1fa905ec61b99ee9442716d7c7a439aecacd018ec229a24def1cabf6b","0x6b927d53caa5125cdba9255612d524976c691f8672796c3f0885ba2c5b3af1ad","0x6dc40f983a3840a0ad927a9ca17f4ff1e3b649a6c735e2a09b140db7c2caf13b","0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023","0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40","0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f","0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a"]}