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World's Fair 2025

Remote MCPs: What we learned from shipping — John Welsh, Anthropic

John Welsh

Overview

This talk discusses the challenges and solutions for implementing and scaling Message Communication Protocol (MCP) clients within a large organization. It highlights how the rapid evolution of AI models capable of tool calling led to integration chaos, with duplicated functionality and inconsistent interfaces across services. The solution proposed is to standardize on MCP for providing model context, treating it as a plumbing layer for integrations rather than a competitive differentiator.

Who should watch

Key takeaways

Notable quotes

*Being boring on stuff like this is good. It's not a competitive advantage to be really good at making Google Drive talk to your app.*
*The right thing to do, the easiest thing to do, then everyone in your org kind of falls into it.*
*MCP is really just JSON streams and how you pipe those streams around your infrastructure is a small implementation detail.*

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Unofficial community note. Prefer the recording for nuance.