How to Build for AI Agents and a Claude Code Second Brain in 25 Min | Ryan Wiggins

Ryan is the VP of Product at Mercury, my favorite fintech product. We covered three things that’s on every AI builder’s mind — how to build a Claude Code second brain, how to make your product agent-ready with APIs and MCPs, and what Mercury’s data reveals about OpenAI and Anthropic’s race for the enterprise.Ryan and I talked about:(00:00) Why APIs and MCPs are the primary interface(04:40) How to get your product agent ready(07:51) Will MCPs cannibalize your app DAU?(10:36) How to decide between MCPs and CLIs(13:10) Inside Ryan's Claude Code second brain(18:40) Getting AI to coach you after every meeting(20:46) Mercury data: Are startups switching to Anthropic?(23:05) The product development process will never be the sameThanks to our sponsors:Wispr Flow: Don't type, just speak https://ref.wisprflow.ai/peteryangLinear: The AI agent platform for modern teams https://linear.app/behind-the-craftGranola: The AI meeting notes app that saves you hours. https://granola.ai/peterGet the takeaways: https://creatoreconomy.so/p/how-to-build-for-ai-agents-and-a-claude-code-second-brainWhere to find Ryan:X: https://x.com/rywiggsWebsite: https://mercury.comSubscribe to this channel - more interviews coming soon!