# Arch Studio 1.4.2

Available on Open source · Published 2026-08-12

> Codex becomes a supported host, alongside Claude Code, without changing the as plugin identity or the studio and project record formats.

## What’s new

- Codex packaging: a Codex plugin manifest and a repository Git marketplace let Codex install Arch Studio as as@skills-for-architects.
- Cross-host skills: every bundled skill uses the host's invocation syntax, $skill-name on Codex and /as:skill-name on Claude Code, and resolves bundled scripts and references from the loaded skill instead of Claude-only environment variables.
- Workspaces: new studios and projects include Codex AGENTS.md instructions and .agents/skills roots alongside the Claude Code files, and Skill Maker targets the right folder for each host.
- Documentation distinguishes the shared skill catalog from Claude Code-only native agents and hooks, and a Codex compatibility test covers manifests, marketplace metadata, skill portability, workspace scaffolds and install commands.

## Known limitations

- Claude Code native agents and hooks are not available on Codex.

## Upgrade and migration

- Existing 1.4 workspaces remain valid. New scaffolds add empty Codex instruction and skill roots without moving or duplicating existing Claude Code skills.
- The bundled course is available as $learn on Codex and /as:learn on Claude Code.

## Release details

- Version: 1.4.2
- Available on: Open source
- Published: 2026-08-12
- Tag: v1.4.2
- Repository: skills-for-architects
- Skills: 46
- Agent roles: 7
- Tools: 7

## Links

- [Install Arch Studio](https://architecturestudio.ai/docs/install)
- [All releases](https://architecturestudio.ai/releases)
- [GitHub release v1.4.2](https://github.com/AlpacaLabsLLC/skills-for-architects/releases/tag/v1.4.2)
- [Full changelog](https://github.com/AlpacaLabsLLC/skills-for-architects/compare/v1.4.1...v1.4.2)
- [Previous release: Arch Studio 1.4.1](https://architecturestudio.ai/releases/public-1-4-1)
- [Next release: Arch Studio 1.4.3](https://architecturestudio.ai/releases/public-1-4-3)