Mark Phelps

Writing

2026

When AI writes all the code

I delegate implementation to agents while staying involved in design, evaluating larger features, and checking that the whole application works as I expect.

Building · 6 min

Giving my AI agents access to my RSS reader

How I turned Cove, the Mac RSS reader I built, into an MCP server so my AI agents send me a daily digest in Discord while my library stays on my Mac.

Building · 6 min

Running AI agents in devcontainers

How to use devcontainers to run AI agents like Claude Code and Codex in isolated environments you control, so you can skip the permission prompts.

Learning · 5 min

The letter

New essays by email. It costs nothing.