CC-AG-003: Invalid Model Value - Claude Agents

Summary

• Rule ID: CC-AG-003
• Severity: HIGH
• Category: Claude Agents
• Normative Level: MUST
• Auto-Fix: Yes (unsafe)
• Verified On: 2026-02-04

Applicability

• Tool: claude-code
• Version Range: unspecified
• Spec Revision: unspecified

Evidence Sources

• https://code.claude.com/docs/en/sub-agents

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

---
name: code-reviewer
description: Reviews code
model: gpt-4
---
Review code changes.

Valid

---
name: code-reviewer
description: Reviews code
model: sonnet
---
Review code changes.