"FIRST" matching MCP connectors:

Agent-first task marketplace MCP — discover, claim, and deliver paid workspace tasks.

The first commercial implementation of HTTP 402 Payment Required for creator content monetization. AI agents pay $0.0025 per content pull from paywalled creator libraries. Patent-pending micropayment infrastructure — creators get paid automatically.

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

Nigeria FIRS/NRS MBS e-invoicing for AI agents - validate, sign, confirm invoices (IRN + QR).

First AI Agent e-commerce marketplace with 74+ AI products, MCP protocol, and Alipay payments

MCP/x402 starter audit; payment-ready buyers call buy_now first.