Floorplan
Floorplan is a skill that draws an interactive, plain-English map of your app's code for people who built it with AI help and need to understand it.
What it is good for
- Understanding how an app you built with AI fits together
- Seeing what breaks if you change a part of the code
- Finding security problems like exposed passwords in code
- Onboarding a new team member onto an existing codebase
At a glance
- Who it is for
- Setup
- Adds to an AI app you already use
Level 2 of 5. Connects to Claude, ChatGPT, or a similar app you already have, usually through a settings screen.
- Cost
- Free and open source
- Type
- Skill or plugin
- Tasks
- Works with
- Claude Code, Codex, Node.js
Momentum
- Rank this week
- #12
- Best rank
- #12 week 44, 2026
- Stars gained last week
- +1,983
- GitHub stars
- 1,983
GitHub numbers as of Nov 2, 2026. Updated weekly.
Ranking history
Official links
Setup steps are on the official pages. We do not repeat them here, since they change.
Questions
- Is Floorplan free?
- Yes. It is free and open source (MIT license).
- Do I need to know how to code to use Floorplan?
- No. Connects to Claude, ChatGPT, or a similar app you already have, usually through a settings screen.
- What does Floorplan work with?
- According to its own documentation, it works with Claude Code, Codex, and Node.js.
- What is Floorplan good for?
- Understanding how an app you built with AI fits together, seeing what breaks if you change a part of the code, finding security problems like exposed passwords in code, and onboarding a new team member onto an existing codebase.
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