Quantify Your AI Codebase Fragility in Seconds

For developers and tech leads using AI-assisted coding: turn vague code health concerns into a single actionable score. Plug in your project's coupling, outdated dependencies, and test coverage gaps to prioritize refactoring and reduce risk.

Results update live as you type — no button needed. The Example button fills a sample input.

Why use AI Codebase Fragility Score Calculator?

Instantly compute a fragility score from three key risk factors: coupling, outdated dependencies, and test coverage gaps.

Weighted formula lets you customize the impact of each factor to match your team's priorities.

Actionable metric helps you decide where to focus refactoring efforts first.

No sign-up required, works entirely in your browser for privacy.

Designed specifically for AI-generated codebases where traditional metrics fall short.

FAQ

What is a codebase fragility score?

A fragility score is a single metric that quantifies how susceptible your codebase is to bugs, regressions, and maintenance issues. It combines coupling, outdated dependencies, and test coverage gaps into one actionable number.

Why focus on AI-generated codebases?

AI-assisted coding can introduce subtle coupling and dependency issues that traditional metrics miss. This score helps teams using AI tools identify and address fragility early.

How do I choose the weights for each factor?

Weights should reflect your team's priorities. For example, if coupling is your biggest concern, give it a higher weight (e.g., 0.5). The sum of weights should equal 1 for a normalized score.

What range should the risk factor values be?

We recommend using a 1-5 scale for each factor, where 1 means low risk and 5 means high risk. You can adjust the scale as long as you're consistent.

Is my data sent to a server?

No, all calculations are performed locally in your browser. Your codebase details never leave your device.

Example input

Try it with this sample — paste it into the box above:

0.4*3 + 0.3*2 + 0.3*1

How to use AI Codebase Fragility Score Calculator

  1. Enter or paste your data into the Expression box above.
  2. The result appears instantly in the Result box — everything runs in your browser, nothing is uploaded.
  3. Use Copy or Download to keep the result, or Example to load a sample first.

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