Model Context Protocol (MCP) has stirred up quite a storm on Twitter—but is it actually useful, or just noise? In this debate, Harrison Chase (LangChain CEO) and Nuno Campos (Head of LangGraph) discuss whether MCP lives up to the hype.

Harrison's Take: MCP Is Actually Useful

I started skeptical about MCP, but I've begun to see its value. Essentially: MCP is useful when you want to add tools to an agent you don't control.

1. Introduction
2. Experiment Overview
3. Experiment 1
4. Analysis 1
5. Experiment 2
6. Analysis 2
7. Side Note 1
8. Experiment 2 Setup
9. Experiment 2: Results and Analysis
10. Analysis Approach and Reminders (to me)