COP-005: Invalid excludeAgent Value - GitHub Copilot

Summary

• Rule ID: COP-005
• Severity: HIGH
• Category: GitHub Copilot
• Normative Level: MUST
• Auto-Fix: Yes (unsafe)
• Verified On: 2026-02-07

Applicability

• Tool: github-copilot
• Version Range: unspecified
• Spec Revision: unspecified

Evidence Sources

• https://docs.github.com/en/copilot/customizing-copilot

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

---
applyTo: "**/*.ts"
excludeAgent: "invalid-agent"
---
# TypeScript Instructions

Use strict mode.

Valid

---
applyTo: "**/*.ts"
excludeAgent: "code-review"
---
# TypeScript Instructions

Use strict mode.