OSF — Open Source Filings Data Marketplace

Buy one verified annual report or filing record by record id from the OSF catalog. Returns the full JSON payload plus a provenance URL to the authoritative primary source and a hashed audit receipt. Record ids and live per record prices come from the free MCP catalog at https://api.osf-master-server.com/mcp. USDC on Base, no account and no API key.

Buy one verified record by record id from the OSF catalog, standard tier. Returns the full JSON payload plus a provenance URL to the authoritative primary source and a hashed audit receipt. Record ids and live per record prices come from the free MCP catalog at https://api.osf-master-server.com/mcp. USDC on Base, no account and no API key.

Buy one verified security or vulnerability record by record id from the OSF catalog. Returns the full JSON payload plus a provenance URL to the authoritative primary source and a hashed audit receipt. Record ids and live per record prices come from the free MCP catalog at https://api.osf-master-server.com/mcp. USDC on Base, no account and no API key.

Search US environmental data by keyword: water quality and streamflow (USGS), weather, tides and space weather (NOAA), volcanic and hazard alerts, species occurrences (GBIF), disaster declarations (FEMA), and facility compliance (EPA). Returns location, measurement, dates, and a provenance URL per match. For climate, environmental, and geospatial agents.

Live disciplinary check of a stockbroker, investment adviser, or brokerage firm against the FINRA BrokerCheck registry. Returns CRD number, registration status, disclosure flag, permanent bar flag, employers, and a FINRA provenance URL per match. For KYC, AML, counterparty due diligence, adviser vetting, and fraud checks. Companion to the 11 authority sanctions screen.

Search AI and machine learning models on the Hugging Face Hub by name, author or organization, task, library, or license. Returns model id, author, task pipeline, library, declared license, download and like counts, tags and a provenance URL per match. For model selection, license screening, dependency review, and tracking which models an organization publishes.

Sample any single record in the OSF catalog for $0.001: the full JSON payload plus a provenance URL to the authoritative primary source. A low cost way for an autonomous agent to try the data before buying at the standard per record or search price. One verified record per call keyed by record_id from the free catalog, across 80 sources of US government and scientific data. Fair use daily cap per wallet.

Look up US federal court cases by case name, party, court, or citation across 1.55 million+ opinion records: SCOTUS all time and all 13 federal appellate circuits (CourtListener), plus SEC litigation releases and SEC administrative proceedings. Returns case name, court, date, citations and a provenance URL per match. Case metadata and citations, not opinion full text.

Search US SEC filings by keyword: institutional holdings (13F), insider transactions (Form 4), 8-K/10-K/10-Q filings, XBRL financials, full-text EFTS hits, litigation and administrative proceedings. Returns filer or company, form type, filing date, and a provenance URL per match. For financial research, compliance, and due-diligence agents.

Search US consumer protection data by keyword: financial complaints (CFPB), vehicle recalls (NHTSA), product safety recalls (CPSC), and FDA recall enforcement for drugs, devices, and food (openFDA, full history since 2004). Returns product/company, complaint or recall details, dates, and a provenance URL per match. For consumer risk, product safety, and compliance agents.

Search 1.2 million+ scholarly works by keyword across arXiv (700,000+ preprints, all categories, 2024 to 2026), CrossRef, PubMed, OpenAlex, Semantic Scholar, and ClinicalTrials.gov in one call. Returns title, authors, journal or venue, year, DOI, and a provenance URL per match. For research agents, literature review, citation lookup, and clinical evidence workflows.

Search US healthcare data by keyword: CMS NPPES NPI provider records, NLM RxNorm drug concepts, ClinicalTrials.gov studies, and FDA recall enforcement for drugs, devices, and food (openFDA, full history since 2004). Verify a provider or NPI, resolve a drug to its RxCUI, check trial status, or check a product for recalls. Returns identifiers, key facts, and a provenance URL per match.

Sanctions and watchlist screening across 11 authorities and 291,000+ parties in one call: OFAC SDN and Consolidated, EU Consolidated, UK OFSI, UN Security Council, Trade.gov CSL, FBI Wanted, World Bank debarment, HHS OIG exclusions, SAM.gov exclusions, and Federal Reserve enforcement actions. Returns matched names, programs, provenance URLs, and a hashed audit receipt. For AML compliance, KYC, KYB, and counterparty screening. $0.05 USDC on Base, no account and no API key.

Search granted US patents from the USPTO Open Data Portal by keyword: invention title, assignee company, inventor name, patent number, or technology area. Returns patent number, title, grant date, filing date, assignee, inventors, USPC classification and a provenance URL per match. For prior art checks, freedom to operate research, competitor IP monitoring, and patent portfolio lookup.

Search cybersecurity intelligence by keyword, vendor, or product: the full NVD CVE corpus since 1988, CVE Program records, EU EUVD vulnerabilities, CISA KEV, 3,900+ CISA ICS advisories, EPSS scores, GitHub advisories, the full CWE catalog, and MITRE ATT&CK. Returns id, title, severity or score, and a provenance URL per match. For threat intel, vulnerability management, DevSecOps.

Search US federal regulations and rulemaking: the electronic Code of Federal Regulations, the Federal Register, congressional legislation from Congress.gov, Regulations.gov dockets and public comments, and GovInfo publications. Returns title, citation, agency, dates, and a provenance URL per match. For regulatory compliance, policy monitoring, and rulemaking research.

CVE lookup and exploit check by CVE id. Answers is this CVE actively exploited in the wild using the US CISA Known Exploited Vulnerabilities (KEV) catalog, with the EPSS exploitation probability score and CVSS severity. Each field carries a provenance URL to the official US source. For vulnerability management, patch prioritization, threat intelligence, and DevSecOps agents.

Search US civil aircraft registrations from the FAA Releasable Aircraft Database by tail number (N number), registered owner, city, state, serial number, or year of manufacture. Returns tail number, registrant, location, manufacture year, airworthiness class and a provenance URL per match. For aircraft ownership lookup, fleet research, asset tracing, and counterparty due diligence.

Entity and counterparty verification by identifier or name. Resolves US healthcare providers (CMS NPI), legal entities (GLEIF LEI), US banks (FDIC), SEC filers (EDGAR CIK or ticker), and US tax exempt orgs (IRS EIN). Returns legal name, status, jurisdiction, identifiers, and a provenance URL to the official source. For KYC, KYB, due diligence, and onboarding agent workflows.

Search economic indicators by keyword: Federal Reserve series (FRED), World Bank development data, US Treasury rates, national accounts (BEA), labor statistics (BLS), commitments of traders (CFTC), ECB foreign-exchange rates, and energy data (EIA). Returns indicator, value, period, and a provenance URL per match. For macroeconomic, financial, and research agents.

Search US federal spending by keyword: contract awards (USAspending), open solicitations (SAM.gov), and grant funding opportunities (Grants.gov) in one call. Returns recipient or agency, dollar amount, dates, NAICS, and a provenance URL to the official source per match. For govcon market intelligence, competitor award tracking, and procurement agents.