Codex ACP CAS: an experimental Codex adapter for Zed built around codex app-server

[Qweasd123tg]

Hi,

I want to share a project I have been building: Codex ACP CAS, a practical fork of the Zed Codex ACP adapter for Zed.

Repo:
https://github.com/Qweasd123tg/zed-codex-ACP-CAS

This fork is not meant to claim full upstream parity. I built it mainly for my own workflow, because I wanted a more featureful and flexible adapter around session lifecycle, thread management, and startup diagnostics. The official adapter is clearly more conservative and likely more stable overall.

What is currently better in this fork for my use case:

• separate resume_session support
• workspace-scoped /resume and /threads
• /archive, /unarchive, and /rename
• better thread title handling after resume / rename
• practical plan mode support
• better collab / sub-agent UI rendering
• better startup and reconnect diagnostics

Current status:

• usable, but still beta
• tested mostly on Fedora Linux
• Linux is the most exercised environment so far
• multi-platform release artifacts exist, but cross-platform runtime testing is still limited

Important limitations / disclaimers:

• this is not full parity with the official adapter
• DynamicToolCall support is still partial
• plan mode may still need more polish
• some flows are still incomplete or unstable
• some behavior still depends on Zed-side ACP limitations

Development note:

• the project was built by me with significant AI-assisted development
• I am sharing it as an experimental, practical fork, not as an official replacement

I added screenshots to the README to show the current UX:

• resume and thread picker flows
• archive / rename / unarchive flows
• sub-agent / collab rendering

I am not posting this as a polished replacement for the official adapter. This is a separate practical fork built mainly for my own workflow, and I am sharing it in case some of the ideas, flows, or tradeoffs are useful to others.

If this fits better somewhere other than Discussions, I would appreciate direction.

Thanks.