Claude Code, Codex, OpenCode, and Pi in One App
The first version saved the task and left the agent idle. Starting with one OpenCode sandbox, then building the execution and history that let four coding agents share one app.
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A build journal · 1 part published
Building useAgent.
Start with one coding agent on one computer. Follow the failures that shaped the product: a prompt that never arrived, a dev server that died, and history that disappeared on reload. With source code, illustrations, and browser demos.
OpenCodeClaude CodeCodexPiMCP / ACPBun + HonoPostgresprompt-kitBeautiful UIDaytonaCubeSandbox