NOT ALL MCPS ARE CREATED EQUAL

Summary from the TLDR Fintech newsletter

Brex argues that “MCP support” is a misleading checkbox because implementations differ dramatically in scalability, accuracy, latency, and permissioning. The company says its architecture continuously pre-computes and denormalizes finance data so agents can query large datasets in seconds with database-calculated answers, while reserving a slower conversational layer for ambiguous questions that require interpretation.