"Hack The Box" matching MCP connectors:

The Brain Layer for AI Trading Agents — quant calls + cross-venue arb across perp venues via MCP.

Bank and lender monitoring with historical-evidence limits and eligibility flags beside every claim.

Ready for a new way to bill pay? Pay any US bill in a snap, right from your AI assistant. Describe or snap a photo of your bill (electric, water, gas, internet, phone, medical, credit card, rent, parking tickets, traffic violations and more) and Papaya reads it, then hands you a secure link to pay by card. Fast, secure, and no juggling twelve logins, with full or partial payments and status updates. Available in the US only. Powered by Papaya (papayapay.com).

Teardrop is the native economic layer for AI agents, providing a robust suite of tools for multi-chain portfolio tracking, DeFi yield analysis, and gas estimation. It enables autonomous agents to securely find Web3 data and manage micro-payments on-chain with zero human intervention.

The operating-reality layer for African fintech regulation — who's licensed for e-money, payments, remittance and switching across markets, normalized across countries, every fact sourced and dated. Callable via MCP.

Tesouro em Foco is a free remote MCP server that brings Brazilian government bond (Tesouro Direto) pricing into AI assistants such as Claude, Cursor, and any MCP-compatible client. The engine implements the Brazilian National Treasury's official pricing methodology — validated against 269,000+ real trades — and covers all retail bond types: fixed-rate (LTN, NTN-F), inflation-linked (NTN-B Principal, NTN-B), and retirement/education bonds (Renda+ and Educa+, NTN-B1).

An MCP server that audits the fairness of construction and renovation estimates in Japan. Provides fair-price ranges, overcharge detection, and verifiable unit-cost data based on JCCDB (65,729 items, DOI-backed).

Get realistic term life insurance rates from the CoverSavvy Term Life Index. Query monthly premiums by age (20-65), gender, health class, coverage ($100K-$4M), and term length (10-30 years). Rates are averages of 2-3 lowest carrier quotes from leading U.S. life insurance carriers.

LuxAlgo Library — the encyclopedia of trading & technical analysis for AI agents. Free, keyless.

Who launched it, what exit really costs, is the pool what it claims. Facts only, no advice.

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

Lender-level FHA denial statistics from the full 2025 federal HMDA record. Historical data only.

Verified conservation credits matched to agent compute emissions — the conservation flywheel of the

Australian economic data from the ABS, RBA, and APRA: CPI, GDP, cash rate, labour, and more.

The stock market, in SQL — scan, replay, or subscribe across ~12k US tickers and top 100 cryptos.

Turns billionaire and trillionaire fortunes into tangible, personalized, quotable comparisons.

Access SEC filings, insider transactions, and financial data via the ShareSEER API.

Score an IP, email, phone, domain or device for fraud in one call, with the signals behind it.

Normalized SEC EDGAR fundamentals. 3 of 6 tools free; the rest $0.04-$0.10 per call in USDC.

Bank of England Interactive Statistical Database (IADB) MCP.