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Archiet — PRD to production codebase, auditor-ready handoff pack.

Archiet takes a software product description (or a PRD) and produces a scored ArchiMate architecture blueprint, then generates the production codebase across 12 stacks: Flask, FastAPI, Django, NestJS, Laravel, Rails, .NET, Salesforce Apex, SAP CAP, Dynamics 365, plus Go and Java. Frontend is Next.js + shadcn/ui. Mobile is optional Expo. The output is a downloadable ZIP that runs locally with docker-compose up.

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What ships in every ZIP

Architecture Decision Records: MADR v4. ~8–15 ADRs per generation covering database, ORM, auth provider, payment provider, cache, monitoring, deploy target. Each has context, decision, consequences, rejected alternatives.
Traceability matrix: matrix.md + matrix.csv. One row per user story, columns for FR, entity, screens, routes, tests, ADRs. Orphan-FR detection at build time.
Mermaid diagrams: C4 context, C4 containers, ER, sequence diagrams per screen, state machines per stateful entity. Renders natively on GitHub.
Compliance documents: Populated against the actual entity model. GDPR DPIA references field-level PII classifications. HIPAA / PCI / SOX overlays when flagged. Not templates with [INSERT FIELD] placeholders.
TCO estimate: Per stack, per integration, per compliance overlay, with growth projections.
Security posture: Attack surface, auth control table, pre-launch checklist.
Handoff README: 5-question index that orients any new reader.

Technical choices

Deterministic-first pipeline

LLMs only kick in for filling stubs, prose, and last-mile auto-repair. Structural decisions (which DB, which auth pattern, which file goes where) are made by deterministic rules. LLM-driven architecture regressed within a week in early versions — same input, different outputs, unmaintainable.

6-provider LLM cascade with multi-key failover

OpenRouter → Anthropic → OpenAI → Google → DeepSeek → HuggingFace. Within OpenRouter, three tiers: paid, cheap, free. Account-level quota detection (HTTP 402) skips a provider's remaining keys. No model names hardcoded; all from env vars.

Postgres-only on purpose

JSONB queries, deferred FK constraints, row-level security for multi-tenant isolation. SQLite hard-blocked even in tests — SQL dialect mismatch produces silent test passes that fail in production.

Synthetic Boot Test before delivery

E2B sandbox: install deps, run migrations, start the app, poll /api/health for 20s. If it doesn't boot, auto-repair loop runs up to 3 LLM cycles. Still no boot? ZIP doesn't ship.

What it's NOT

Not an IDE assistant — Cursor and Copilot make line-by-line writing faster; Archiet generates the architecture-grade scaffold those tools then help customise.
Not greenfield-only — produces production-grade output, including the docs needed for handoff to a real engineering team.

Try it, break it, tell me what's wrong.

Self-hosted on Azure. Pricing is calm — Builder $149/mo, Pro $599/mo, Team $1,499/mo, Agency $2,999/mo. Free plan, no credit card. I'll respond to every HN comment for the next 48 hours.

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