Show HN:Microcodegen.py – PRD → FastAPI app, one file, no LLM calls

Category: devtools

Tags: code-generation, fastapi, prototyping

Score: 6.0/10 (Innovation: 5, Technical: 6, Documentation: 7, Utility: 6)

microcodegen.py is a single-file Python tool that generates a complete FastAPI backend from a plain-English Product Requirements Document using regex parsing and template substitution, without any LLM calls. It produces production-ready code with SQLAlchemy models, JWT auth, Alembic migrations, tests, Docker setup, and an OpenAPI spec, making it an educational and practical demonstration of a PRD-to-code pipeline.

Target audience: backend devs

Repository: https://github.com/Anioko/microcodegen · Python

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