listings/data/osf-open-source-filings

OSF (Open Source Filings)

by Open Source Filingslivefrom $0.05 /call

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.

TOOLS · 3

#TOOLDESCRIPTIONPRICE/CALL

01lookup_entitydocsResolve companies/persons against CMS NPI, GLEIF LEI, FDIC, and SEC EDGAR for KYC/KYB.$0.01

02screen_entitydocsScreen names against OFAC SDN, EU, and UK sanctions lists; returns hit/no-hit plus audit receipt.$0.05

03check_cve_exploiteddocsQuery the CISA KEV catalog for active CVE exploitation status, EPSS probability, and CVSS severity.$0.02

Prices set by the provider and charged per successful call.

CONNECT

# Inspect the unpaid MCP/x402 requirement with a valid initialize request.
curl -i --request POST 'https://osf-master-server.com/mcp' \
  --header 'Content-Type: application/json' \
  --header 'Accept: application/json, text/event-stream' \
  --data '{"jsonrpc":"2.0","id":1,"method":"initialize","params":{"protocolVersion":"2025-03-26","capabilities":{},"clientInfo":{"name":"toll402-check","version":"1.0.0"}}}'

Keep EVM_PRIVATE_KEY server-side and use a narrowly funded wallet.official MCP + x402 guide ↗