MCP on Code Mode (Interview) from The Changelog: Software Development, Open Source

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MCP on Code Mode (Interview)

1 hour 54 minutes Posted May 15, 2026 at 9:00 pm.

Welcome to The Changelog

Sponsor: Coder.com

It's Matt Carey from Cloudflare!

Are we holding MCP wrong?

MCP (Model Context Protocol) explained

The breakthrough with typescript vs tool calling

The idea behind Code Mode

Mapping MCP to a large API via Code Mode

Implementing the search-and-execute pattern in MCP

Matt's workflow with Claude

Balancing innovation with security

Sponsor: Tailscale

Working alone vs working with a team

How do you choose which projects to prioritize?

How are you managing work/life balance?

Life before and after agents

Adam's flow with agents

Prompting via voice

Devs who are not using AI...

Granola is changing note taking

Sponsor: RWX

Let's talk about memory for agents

Taking inspiration from Homelabs

Unleashing my agents on my own cloud (Proxmox and Swamp Club)

Running local models

Teasing DNShole (more)

Key indicators of nefarious traffic

Getting started with code mode

Try this: --agent

Closing thoughts and stuff

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Show notes

This week I'm talking with Matt Carey about Code Mode and how most of us have been thinking about MCP all wrong. Matt works on the Agents SDK and MCP at Cloudflare — we discuss how server-side Code Mode lets one MCP server expose all ~2,500 Cloudflare API endpoints in about 1,000 tokens of context, the dynamic Worker loader that runs model-written code safely in a V8 isolate, Matt's own workflow with Claude, where memory fits into the future of agents, and his Zaggy git wrapper that keeps agents from force-pushing his repos.

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