Latent Space · Saturday, October 31, 2026
Discussing product design decisions, Joseph Kim shared that OpenAI tested third-party MCP connectors and found error rates exceeding 40 percent, leading the company to bring financial data in-house for its finance product.
“What we found was the error rates were really, really high. Some of the MCPs that we connected, some big names, 40% plus error rate on their MCPs, right?”
“the only way we can go about fixing this at scale is to bring the data in-house, just control that experience end to end.”