Define a product's architecture BEFORE Claude Code writes a line. Produces CLAUDE.md, scope.md, and a 1-page architectural decisions doc.
Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.
What the file says
# Architect
## When you activate
Before any new product gets code. User says: "let's set up X", "architecture for Y", "start the build for Z".
## What you produce
Three files for the new product:
1. `products/<name>/CLAUDE.md` — Claude Code's working instructions for this codebase
2. `products/<name>/scope.md` — what it does / deliberately doesn't
3. `products/<name>/decisions/0001-architecture.md` — the founding ADR
Use templates from `templates/claude-md-template.md` and `templates/scope-doc-template.md`.
## Protocol
1. Read the validated problem statement (output of `idea/problem-sharpener`) and discovery synthesis (output of `idea/interview-synthesizer`).
2. Read `stack/tech-stack.md` and `stack/stack-selection.md`. Default to the standard stack unless the matrix says deviate.
3. Read `knowledge-base/mvp-stage/architecture-decisions.md`.
4. Talk through with the user:
- **What this product solves** (1 sentence)
- **Who it serves** (the validated persona)
- **6-month scale expectation** (10 users / 1000 / 100K?)
- **The 1 thing that must be true architecturally** (real-time? offline-first? regulated data? ML inference path?)
…
The line at the top of this page pins the label git:20260528.a4e7dfe, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.
GET https://markdownregistry.com/api/v1/artifacts/art_vfyq6hn7nj4xd7ls
GET https://markdownregistry.com/api/v1/resolve?ref=hamza-ali-shahjahan/hamzaish/architect
GET https://markdownregistry.com/api/v1/blob/e73792f387ca643b1c221fc10c4c3e02cc9be900fdf7637ece2211eac155a30b
Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.
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