Port22: Mirror AI coding agent sessions to your phone by parsing built-in diffs
casualhermit · reddit · 2026-08-25
The author shares the experience of building Port22, a tool that mirrors AI coding agent sessions from a Mac to a phone. The key insight was that building a custom diffing engine wasn't necessary. Each agent (Claude Code, Codex, OpenCode) already includes diff data in its transcript in various formats (full text comparison, patch format, unified diff), which can be parsed and rendered directly, significantly simplifying the development process.
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