OSF — Open Source Filings
https://osf-master-server.com
● healthy
data-social-apis
Provenance-stamped public-domain US government and scientific data for AI agents. SEC EDGAR, FRED, NOAA, openFDA, USGS, Crossref, and more — every record ships with a provenance URL back to its authoritative primary source. Pay-per-record x402 USDC on Base, $0.05–$0.50. Paid MCP server + listed in the official MCP Registry. No API keys, no subscriptions. ([MCP](https://api.osf-master-server.com/mcp) | [MCP Registry](https://registry.modelcontextprotocol.io/v0.1/servers?search=osf-data-marketplace) | [Bazaar health](https://api.osf-master-server.com/x402/bazaar_health))
Category
data-social-apis
Chains
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Price
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How to call
cURL · x402-fetch / x402-axios will auto-handle 402
curl -X POST https://osf-master-server.com