October 6, 2026 · 6 min read
Pi 1.0: Codemode, Pi Durable and an open agent harness, explained
Earendil's open source coding agent Pi reached 1.0 with Codemode, which lets the model write scripts that call MCP tools instead of loading every schema into the prompt, and Pi Durable, an experimental framework for crash-resumable, multi-client agents. What shipped, how it works, and what is not known yet.



