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Version: 0.12.2

CDX-004: Unknown Config Key - Codex CLI

Summary

  • Rule ID: CDX-004
  • Severity: MEDIUM
  • Category: Codex CLI
  • Normative Level: SHOULD
  • Auto-Fix: Yes (safe)
  • Verified On: 2026-02-14

Applicability

  • Tool: codex
  • Version Range: unspecified
  • Spec Revision: unspecified

Evidence Sources

Test Coverage Metadata

  • Unit tests: true
  • Fixture tests: true
  • E2E tests: false

Examples

The following examples demonstrate what triggers this rule and how to fix it.

Invalid

unknownKey = true

Valid

model = "o4-mini"
approvalMode = "suggest"