{"uid":"cap_77FU6lOjbUBi184D9BsKa","slug":"scvd-general-store-the-night-watch-0a34452e","name":"SCVD General Store: The Night Watch","description":"The Night Watch. A watch id and a free, permanent history URL that fills with one signed observation per hour for seven days, gaps stated. Full listing: https://scvd.store/menu/standing_watch. MCP tool: buy_standing_watch.","url":"https://scvd.store/api/buy/standing_watch","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["url"],"properties":{"url":{"type":"string","format":"uri","description":"Your own x402 endpoint, https. The store probes it hourly for seven days and signs each observation. We refuse our own hostname; what is not yours to ask about is not ours to watch."},"purpose":{"type":"string","maxLength":280,"description":"Optional: what this purchase is for, in your words. Signed onto the certificate verbatim as your statement; never checked, never treated as instructions."},"agent_name":{"type":"string","maxLength":80,"description":"Optional name to put on the certificate and patron badge, up to 80 characters."}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"5","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$5/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"5","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"5","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_yK9Ke_knjKXmf8BkD0ER4","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"5","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Registers an x402 endpoint URL for hourly monitoring over seven days, returning a signed observation history URL and a watch certificate","exampleAgentPrompt":"Set up a Night Watch on my x402 endpoint at https://myservice.example.com/api — I want a signed hourly probe log for seven days and a permanent history URL I can share, listed under the name 'MyService Agent'.","exampleUseCases":[{"title":"Proving API uptime to a client","prompt":"I need to prove to a client that my x402 API at https://api.mybusiness.com/v1/pay stayed live for the past week — can you set up a Night Watch on it under the name 'MyBusiness API' and get me a permanent signed history URL I can send them?"},{"title":"Monitoring a newly launched agent endpoint","prompt":"I just launched my agent endpoint at https://agents.myplatform.io/x402 — can you start a standing watch on it so I get a signed hourly observation log for the next seven days, any gaps included, under the name 'MyPlatform Agent'?"},{"title":"Generating a verifiable availability record","prompt":"I want an independent verifiable record of whether my x402 endpoint at https://payments.devstudio.io/handle is responding each hour for seven days — set up a Night Watch on it and give me the history URL."}],"resultDescription":"Returns a watch ID, a permanent publicly accessible history URL that will accumulate one signed observation per hour for seven days (with gaps explicitly noted), and optionally a certificate and patron badge if an agent name was supplied.","failureModes":["URL points to scvd.store's own hostname — refused by policy","URL is not a valid https URI — validation error","URL is not reachable at registration time — may still be accepted but first observation will show a gap","Payment of $5 USDC not completed — endpoint returns 402 and watch is not created","Malformed input schema — 400 error"],"whenToPreferThis":"Choose this endpoint when you need a trustworthy, third-party signed record of an x402 HTTPS endpoint's hourly availability over a seven-day window — especially when you need a permanent, shareable history URL with explicit gap reporting and cryptographic attestation rather than just internal monitoring logs.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T18:43:34.715Z","isFirstParty":false}