"Opera GX" matching MCP connectors:

Free, keyless real-time currency conversion and exchange rates for any currency pair.

Historical FX rates for 100+ currencies vs USD from IMF and World Bank data, 1940-present.

What a stock price is betting on: implied growth, duration, and margin, read from SEC filings.

Conformité Factur-X : 21 critères PDF/A-3, XML CII EN 16931 et BR-FR. Analyse locale, gratuite.

Fiscal y nomina MX: recargos, ISR, CFDI, RESICO, calendario, IMSS, aguinaldo, finiquito.

Deterministic Mexican payroll & tax math: finiquito, ISR, aguinaldo, IMSS (2026 tables).

Robinhood Chain intelligence: trend scores, launch radar, KOL leaderboard, pre-trade risk checks.

FX bottom/top signals: 48 pairs (USD/KRW base), verdict + score, scans. Pay-per-call x402.

KoSIT-verified German e-invoices: generate & validate ZUGFeRD, Factur-X, XRechnung, EN 16931.

Verified European PE ownership: who owns a company, GP portfolios, exits by year. Hand-checked.

Forensic FX audit. Detects hidden bank markups in real time. Returns spread bps + audit score 1-10.

Real-time crypto data for AI assistants. Live price spreads between Binance and OKX, perpetual funding rates, Cash & Carry arbitrage yields, and exchange status. No API key required.

World's first independent FX audit MCP. Detects hidden bank fees in 30 seconds.

AI agent infrastructure: EU trade analytics (28M+ records), customs data, salary intelligence, SoulLedger agent identity, EU AI Act compliance — 13 MCP tools with x402 USDC payments