CDX-003: AGENTS.override.md in Version Control - Codex CLI

Summary

• Rule ID: CDX-003
• Severity: MEDIUM
• Category: Codex CLI
• Normative Level: SHOULD
• Auto-Fix: No
• Verified On: 2026-02-07

Applicability

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

Evidence Sources

• https://github.com/openai/codex

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

# AGENTS.override.md

Local overrides that should not be committed to version control.

Valid

# AGENTS.md

Project instructions for Codex CLI.