Prompt·Testing and security·S06
Settings that differ in production
Finds settings that behave differently in production than anyone expects.
Prompt
Audit settings that differ between local development, CI, preview and production. Find ambiguous fallbacks, fail-open access controls and configuration whose behavior silently changes when an environment variable is missing. Verify against the actual deployment configuration, not only README examples.
- What it returns
- A table of each setting per environment, the default when missing, and the behavior that changes.
- Skip it when
- Projects with one environment.
- Changes
- Changes nothing
- Sessions
- One session
- Tools
- Vercel settings list (names only, never values), automated build config, the code that reads each setting.
- Watch for
- Never print secret values. The audit needs variable names and code paths, not contents.
- Also called
- Configuration and secure default drift
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