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Available on Open source · Published 2026-09-03

Arch Studio 1.4.5

The current open-source Arch Studio release for local installation in Codex and Claude Code. It fixes Claude Desktop installation by moving teaching examples and the Skill Maker template out of the installable skills folder.

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  • Fix: Claude Desktop installation no longer rejects the plugin. It had discovered teaching and template skill manifests inside the installable skills folder.
  • The two learning examples and the Skill Maker template now live under assets/ with non-installable SKILL.example.md filenames.
  • The course points to the canonical /as:tasklist skill instead of bundling a second tasklist skill.
  • Recursive lint checks now reject misplaced installable manifests, malformed examples, duplicate example names and overlap between canonical skills and examples.
  • ascii-name and clean-downloads, which 1.4.4 documented as commands even though they were course examples, are now source examples rather than installed commands.
  • Included in this release: one plugin, as, with a shared catalog of 46 skills for Codex and Claude Code. Claude Code also loads 7 specialist agents, 7 rules and 4 hooks.
  • Studio and project workspaces, firm and project skills created with Skill Maker, linked project records and portable CSV product data carry forward from 1.4.0; Codex support carries forward from 1.4.2.
  • Claude Code native agents and hooks are not available on Codex.
  • The 1.5 changes are not yet in the open-source plugin.
  • If you used ascii-name or clean-downloads, copy its folder from assets/learn-examples/ into your own skills folder, rename SKILL.example.md to SKILL.md and adapt it as a custom skill.
  • No project or studio data migration is required.
  • Codex: codex plugin marketplace add AlpacaLabsLLC/skills-for-architects, then codex plugin add as@skills-for-architects.
  • Claude Code: claude plugin marketplace add AlpacaLabsLLC/skills-for-architects, then claude plugin install as@skills-for-architects.

Thanks to the community members who reported and helped resolve issues in this release.

  • Version: 1.4.5
  • Available on: Open source
  • Published: 2026-09-03
  • Tag: v1.4.5
  • Repository: skills-for-architects
  • Skills: 46
  • Agent roles: 7
  • Tools: 7