{"server":{"name":"io.github.spendpreflight/spendpreflight","title":"SpendPreflight","$schema":"https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json","remotes":[{"url":"https://api.spendpreflight.com/mcp","type":"streamable-http"}],"version":"1.0.0","websiteUrl":"https://spendpreflight.com","description":"Operated by SpendPreflight: sanctions screening and allow/hold/block preflight for x402 payments."},"_meta":{"io.modelcontextprotocol.registry/official":{"status":"active","isLatest":true,"updatedAt":"2026-10-06T22:27:13.363923Z","publishedAt":"2026-10-06T22:27:13.363923Z","statusChangedAt":"2026-10-06T22:27:13.363923Z"},"dev.protogrid/connectability":{"class":"R0","autonomous":true,"human_steps":[],"preferred":{"kind":"remote","idx":0},"remotes":[{"idx":0,"url":"https://api.spendpreflight.com/mcp","transport":"streamable-http","templated":false,"headers":[],"auth":{"type":"none","location":null,"secret_name":null,"oauth":null},"protocol":{"supported_versions":["2025-11-25"],"stateless":true},"health":{"reachable":true,"uptime_30d":1,"latency_ms_p50":316,"consecutive_failures":0,"last_probe_at":"2026-10-20T03:18:59.587Z","last_ok_at":"2026-10-20T03:18:59.587Z"}}],"packages":[]},"dev.protogrid/tools":[{"name":"check_endpoint","title":"Read an x402 endpoint's observed health","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.","annotations":{"readOnlyHint":true,"openWorldHint":false,"idempotentHint":true},"source":"probe","observed_at":"2026-10-20T03:18:59.587Z"},{"name":"check_payee","title":"Check payee before paying","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).","annotations":{"readOnlyHint":true,"openWorldHint":true,"idempotentHint":true},"source":"probe","observed_at":"2026-10-20T03:18:59.587Z"},{"name":"get_service_info","title":"SpendPreflight: pricing, defaults, how to pay","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.","annotations":{"readOnlyHint":true,"openWorldHint":false,"idempotentHint":true},"source":"probe","observed_at":"2026-10-20T03:18:59.587Z"},{"name":"lint_endpoint","title":"Free x402 Lint","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 fixes and a public seven-day report link. No payment or credentials; GET cannot validate a POST-only endpoint or paid delivery. Do not submit private URLs.","annotations":{"readOnlyHint":false,"openWorldHint":true,"idempotentHint":false,"destructiveHint":false},"source":"probe","observed_at":"2026-10-20T03:18:59.587Z"},{"name":"preflight_payment","title":"Preflight a payment (allow / hold / block)","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).","annotations":{"readOnlyHint":true,"openWorldHint":true,"idempotentHint":false},"source":"probe","observed_at":"2026-10-20T03:18:59.587Z"}],"dev.protogrid/trust":{"score":80,"components":{"hygiene":80,"liveness":100,"freshness":100,"provenance":45},"drivers":["+website","+reachable","+uptime-100%","+updated-13d-ago","-no-repository"],"flags":["no-repository"],"blocked":false,"computed_at":"2026-10-20T03:11:20.724Z","disclaimer":"Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed."},"dev.protogrid/quality":{"score":72,"label":"needs work","components":{"auth":null,"hygiene":93,"protocol":75,"stability":25,"dependencies":null},"checks":[{"id":"protocol.modern","detail":"newest supported version is 2025-11-25; 2026-07-28 not supported, older versions are deprecated until 2027-07-28","status":"warn","category":"protocol"},{"id":"protocol.stateless","detail":"only applies to 2026-07-28 servers","status":"na","category":"protocol"},{"id":"protocol.transport","detail":"streamable HTTP","status":"pass","category":"protocol"},{"id":"protocol.list_ttl","detail":"only applies to 2026-07-28 servers","status":"na","category":"protocol"},{"id":"auth.prm","detail":"no remote uses OAuth","status":"na","category":"auth"},{"id":"auth.as_metadata","detail":"no remote uses OAuth","status":"na","category":"auth"},{"id":"auth.cimd","detail":"no remote uses OAuth","status":"na","category":"auth"},{"id":"auth.secret_in_url","detail":"no templated URL","status":"na","category":"auth"},{"id":"tools.descriptions","detail":"every tool has a description","status":"pass","category":"hygiene"},{"id":"tools.description_length","detail":"descriptions are concise","status":"pass","category":"hygiene"},{"id":"tools.schemas","detail":"every tool has an object input schema","status":"pass","category":"hygiene"},{"id":"tools.annotations","detail":"5 of 5 tools declare readOnlyHint or destructiveHint","status":"pass","category":"hygiene"},{"id":"tools.directory_hints","detail":"1 of 5 tools declare all four hints; missing: check_payee (destructiveHint); preflight_payment (destructiveHint); check_endpoint (destructiveHint); …","status":"warn","category":"hygiene"},{"id":"tools.token_cost","detail":"about 1,743 tokens to load every tool","status":"pass","category":"hygiene"},{"id":"tools.api_dump","detail":"tools are not a one-to-one API dump","status":"pass","category":"hygiene"},{"id":"stability.changes","detail":"11 tool changes in 30 days","status":"warn","category":"stability"},{"id":"stability.rug_pull","detail":"1 tools kept their name but changed most of their description in 30 days; review before trusting them","status":"fail","category":"stability"},{"id":"deps.known_vulns","detail":"no npm or PyPI package","status":"na","category":"dependencies"},{"id":"deps.mcp_sdk_version","detail":"no npm or PyPI package","status":"na","category":"dependencies"},{"id":"deps.resolvable","detail":"no npm or PyPI package","status":"na","category":"dependencies"}],"drivers":["-stability.rug_pull","~protocol.modern","~tools.directory_hints","~stability.changes"],"flags":[],"tool_count":5,"token_estimate":1743,"tools_hash":"151667f8f5ff2ca265c8dce45b9cffef","tools_changed_at":"2026-10-18T14:14:15.154Z","computed_at":"2026-10-20T03:05:22.594Z","disclaimer":"Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed."},"dev.protogrid/identity":{"canonical_id":"io.github.spendpreflight/spendpreflight","aliases":[],"alias_count":0,"repository_key":null,"owner":{"verified":false,"method":null,"since":null}}},"next_actions":[{"action":"list_tools","description":"Every current tool with input schemas","href":"/v1/servers/io.github.spendpreflight%2Fspendpreflight/tools","arguments":{"name":"io.github.spendpreflight/spendpreflight"}},{"action":"get_connection","description":"Minimal connection block for the preferred remote or package","href":"/v1/servers/io.github.spendpreflight%2Fspendpreflight/connection?target=mcpServers","arguments":{"name":"io.github.spendpreflight/spendpreflight","target":"mcpServers"}},{"action":"search","description":"Find other servers by intent","href":"/v1/search?q={query}","arguments":{"q":"{query}"}}]}