"uBlock Origin" matching MCP connectors:

US tariff & trade truth: duty actually paid by origin/HS 2017+, HTS rulebook, CBP rulings. No key.

SEC-signed profiles for 8,000+ US public companies from EDGAR filings. Token-efficient.

Origin-signed US political data: 25,546 officials, bills, votes, positions with sources.

Practitioner-verified EU customs facts: classification, duty, origin, procedures. x402.