AGM-005: Platform-Specific Features Without Guard

Summary

• Rule ID: AGM-005
• Severity: MEDIUM
• Category: AGENTS.md
• Normative Level: SHOULD
• Auto-Fix: No
• Verified On: 2026-02-04

Applicability

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

Evidence Sources

• https://developers.openai.com/codex/guides/agents-md
• https://docs.cursor.com/en/context

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

# Project

This project uses hooks.

- type: PreToolExecution
  command: echo "test"

context: fork
agent: reviewer
allowed-tools: Read Write

Valid

# Project

This project uses various tools.

## Claude Code Specific

- type: PreToolExecution
  command: echo "lint"

context: fork
agent: security-reviewer