Provenance-stamped public-domain US government and scientific data (SEC EDGAR, FRED, NOAA, openFDA, USGS) with pay-per-record x402 access. Listed in the official MCP Registry.
{
"mcpServers": {
"osf-open-source-filings": {
"url": "https://osf-master-server.com/mcp",
"transport": "http",
"x402": { "wallet": "env:X402_WALLET", "maxUsdPerCall": 0.5 }
}
}
}