XP-005: Conflicting Tool Constraints - Cross-Platform

Summary

• Rule ID: XP-005
• Severity: HIGH
• Category: Cross-Platform
• Normative Level: MUST
• 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

# CLAUDE.md

allowed-tools: Read Write Edit Bash Grep
You can use Bash for git operations.

# AGENTS.md (separate file, same project)

Never use Bash for any operations.
Do not use Edit or Write tools.

Valid

# CLAUDE.md

allowed-tools: Read Write Edit Bash Grep

# AGENTS.md (separate file, same project)

allowed-tools: Read Write Edit Bash Grep