{"uid":"cap_ix8GlXVSpMrb46zms_y_P","slug":"osf-open-source-filings-sec-filings-search-80496b58","name":"OSF Open Source Filings — SEC Filings Search","description":"OSF is a live marketplace of provenance stamped public domain government and scientific data, built for autonomous agents that pay per record over x402 micropayments on Base. A paid MCP server in the official MCP Registry, discoverable on the Coinbase CDP Bazaar.","url":"https://api.osf-master-server.com/x402/sec/filings/%7Bquery%7D","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","HEAD","DELETE"],"type":"string"},"pathParams":{"type":"object","required":["query"],"properties":{"query":{"type":"string","description":"Keyword(s): company, ticker, CIK, fund manager, or subject. E.g. 'Berkshire 13F' or 'material weakness'."}}},"queryParams":{"type":"object","properties":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"result":"MATCHES_FOUND","matches":[{"source":"SEC_13F_HOLDINGS","form_type":"13F-HR","record_id":12345,"filing_date":"2026-05-15","company_or_filer":"BERKSHIRE HATHAWAY INC"}],"match_count":2}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.05","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":"$0.05/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_VqdKOSBpvwnG8HzRiqsU8","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.05","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Search SEC filings by company name, ticker, CIK, fund manager, or keyword and receive provenance-stamped matching records via x402 micropayment","exampleAgentPrompt":"Search OSF's SEC filings for all 13F holdings filings from Berkshire Hathaway and show me the most recent matches with their filing dates.","exampleUseCases":[{"title":"Fund manager holdings research","prompt":"Can you search SEC filings for any 13F submissions from Cathie Wood or ARK Invest and show me what came up with their filing dates?"},{"title":"Material weakness disclosure search","prompt":"Search SEC filings for 'material weakness' disclosures — I want to see which companies have flagged internal control issues recently."},{"title":"Company-specific filing lookup","prompt":"Pull up any SEC filings for Tesla using their ticker — I want to see what form types have been filed and when."}],"resultDescription":"Returns a JSON object with a result status (e.g. MATCHES_FOUND), an array of matching filing records each containing source dataset, form type, record ID, filing date, and company or filer name, plus a total match count. Records are provenance-stamped with a traceable source back to the original government data.","failureModes":["No matching filings found for the query — returns empty matches array","Invalid or unrecognized query keyword — may return zero results","Payment failure via x402 micropayment — endpoint returns 402 Payment Required if USDC payment is not processed","Rate limiting or quota exceeded — endpoint may reject requests beyond usage thresholds","Malformed path parameter — missing or improperly encoded query string causes request failure"],"whenToPreferThis":"Choose this endpoint when you need verifiable, provenance-stamped SEC filing records retrieved directly from government source data, especially when auditability or citation of the original filing matters. Prefer this over generic web search or scraping when you need structured filing metadata (form type, CIK, filing date) and need to pay per record rather than subscribe. Ideal for autonomous agents that need on-demand financial compliance data without a bulk data subscription.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T00:45:24.210Z","isFirstParty":false}