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Arch Studio

Your firm. Your data. Your way of working. An agentic studio for architecture practice, built on four layers — governance, knowledge, execution, memory.

Released 2025.08 · Open source · MIT · Codex + Claude Code + hosted MCP

Arch Studio — a terminal-first agentic studio for architecture practice

02 What it is

Install it and gain the foundation of an agentic architecture studio — not a pile of parts.

Arch Studio is an agent harness and institutional-memory system for architecture firms, organized in four layers: governance sets the working rules, knowledge links out to codes and standards, execution is the skills and agents that do the work, memory keeps the record. Install the open-source plugin and work in the terminal with Codex or Claude Code, or connect the hosted MCP and work inside your Claude or ChatGPT app directly. Same release, two ways in.

03 The harness

An opinionated operating system for architectural practice.

The dedicated Arch Studio harness runs in the terminal and pairs an architecture-aware primary agent with durable, local-first studio memory. Every consequential action — enabling a skill, admitting a note, invoking a remote tool — is approval-gated.

i.

Studio memory

A user-owned local workspace holds conversations, connectors, skills, and project registrations. Projects live anywhere and are attached, not copied — PROJECT.md holds the facts, decisions/ holds the reasoning, and approved notes become durable project memory.

ii.

Architecture-aware agent

A primary agent with architecture-specific workflows that coordinates skills and tools at the right time — document inspection with cited findings, approval-gated notes, and evidence that stays traceable to its source.

iii.

Firm-authored skills

Scaffold standard skill packages in your own workspace. New packages stay drafts until explicitly enabled; enabled skills are advertised to the agent by name and loaded only when needed.

iv.

Governed MCP connectors

Add your own MCP connectors, inspect the remote tool catalog, choose an explicit allowlist, then enable. Every remote invocation requires approval and carries provenance — connector, server, trust level, and tool name.

04 Available today

One catalog, native to Codex and Claude Code.

Arch Studio 1.5.0 ships as one open-source plugin with two host packages. Codex loads all 61 skills. Claude Code loads the same skills plus eight native agents, Norma among them, and its host-specific hooks. Nothing else to install: every skill is a complete specification the host performs with its own tools. The studio and project records stay portable between them. The hosted MCP delivers the same 1.5 release into Claude or ChatGPT directly, free for firms, no plugin required.

i.

Host-native routing

Use $studio in Codex or /as:studio in Claude Code. Codex routes complex work through explicit skill sequences; Claude Code can also delegate to the eight bundled native agents.

ii.

Skills

Every skill follows the host’s own syntax: $product-research in Codex and /as:product-research in Claude Code. The instructions, supporting references, and output contracts are shared.

iii.

Learn

A guided, resumable course in the terminal. Start with $learn in Codex or /as:learn in Claude Code; the same six-module project branches where the hosts differ.

iv.

Project memory

PROJECT.md holds the facts; DOCUMENTS.csv, TASKS.csv, TIME.csv, INVOICES.csv and CHANGES.csv hold the registers, each row with its source and history. New workspaces include AGENTS.md and .agents/skills/ for Codex alongside CLAUDE.md and .claude/skills/ for Claude Code.

05 Built for

01

Interior designers

FF&E sourcing, spec writing, and procurement — surfaced as host-native skills inside the studio.

02

Architects

Zoning analysis, envelope, code-check, programming. The repetitive work that eats time before design begins.

03

Sustainability specialists

EPDs, embodied carbon, certification logic. Pulled, parsed, compared, written into the spec.

04

Small studios

An agentic teammate with the firm's memory. Install once, the whole studio benefits.

06 By the numbers

358

Stars on GitHub

72

Forks

15

Releases — open-sourced March 2026, now at 1.5.0

07 Get started

Choose your host and follow its install path.

The plugin and the hosted MCP are alternative ways to run Arch Studio, not consecutive installation steps. Choose the path you want; both are free, and both deliver the same 1.5 release.

Codex path

Install in Codex

Run codex plugin marketplace add AlpacaLabsLLC/skills-for-architects, then codex plugin add as@skills-for-architects. Open Codex and invoke $studio.

Claude Code path

Install in Claude Code

Run claude plugin marketplace add AlpacaLabsLLC/skills-for-architects, then claude plugin install as@skills-for-architects. Open Claude Code and run /as:studio.

Hosted MCP path

Connect the hosted MCP

No install. Sign in at architecturestudio.ai with your firm's account, connect the MCP in Claude or ChatGPT, and Norma takes it from there. Free for firms.

Install the studio.

Free, open source, MIT-licensed. Built for the desk you already work at.

Install guide →