Mercury sees exponential MCP growth as users move banking to the AI-friendly bank

brezina · x · 2026-10-14

Mercury co-founder immad reports exponential growth in MCP (Model Context Protocol) usage at the startup bank, contrasting it with JPMorgan blocking agents like Muse and Instinct: "You can't fight the future." Founder brezina says he's moving more and more of his banking to Mercury specifically because its MCP integration is so good.

A split is emerging: incumbent banks wall off AI agents while challenger banks turn agent access into a customer-acquisition selling point.

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