> ## Documentation Index
> Fetch the complete documentation index at: https://docs.usefactor.app/llms.txt
> Use this file to discover all available pages before exploring further.

# Example Reviews

> Real Factor analyses showing how to interpret the output

These examples show Factor analysis on real scenarios. Each follows the same pattern:

1. **PR**: What changed
2. **Factor Analysis**: What Factor found
3. **Why It Matters**: The business impact
4. **What to Verify**: How engineers should respond

Select an example below to see the full breakdown.

<Columns cols={2}>
  <Card title="Financial Risk" icon="dollar-sign" href="/examples/financial">
    Discount code application logic—where mistakes are expensive.
  </Card>

  <Card title="Tax Calculation" icon="receipt" href="/examples/tax">
    Invoice tax calculation—cascading business impact.
  </Card>

  <Card title="Authentication" icon="lock" href="/examples/authentication">
    Session validation—security implications.
  </Card>

  <Card title="Background Jobs" icon="clock" href="/examples/background-jobs">
    Async processing—failure modes and retries.
  </Card>

  <Card title="API Contract" icon="link" href="/examples/api-contract">
    External API integration—assumption failures.
  </Card>

  <Card title="Data Migration" icon="arrow-right" href="/examples/data-migration">
    Schema change—hidden impact on dependent systems.
  </Card>
</Columns>