Floorplan is an open-source tool that uses Claude or Codex to generate interactive architectural maps of your codebase. It translates files, endpoints, and cross-repo web requests into plain-English diagrams you can zoom, query, and keep updated as you work. It also includes a health-check feature to catch common security oversights like exposed API keys or open database tables left behind by AI generators.
It is worth a look if you are juggling multi-repository apps built with AI assistants and need a quick way to verify what changed and how it connects. The catch is that it is tightly coupled to specific LLM workflows and outputs visual explanations rather than strict static analysis. Skip it if you prefer reading raw source files or need formal, standards-compliant UML documentation.
more: https://github.com/haydenschmitty/floorplan
my other side: ivo.blogspot.com
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