CC-SK-008: Unknown Tool Name - Claude Skills

Summary

• Rule ID: CC-SK-008
• Severity: HIGH
• Category: Claude Skills
• Normative Level: MUST
• Auto-Fix: No
• Verified On: 2026-08-09

Applicability

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

Evidence Sources

• https://code.claude.com/docs/en/skills
• https://code.claude.com/docs/en/settings
• https://code.claude.com/docs/en/tools
• https://code.claude.com/docs/en/permissions

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: find-files
description: Use when finding files by pattern
disallowed-tools: FooBar
---
Search for files matching the pattern.

Valid

---
name: find-files
description: Use when finding files by pattern
allowed-tools: Glob, Grep, Read
disallowed-tools: Write
---
Search for files matching the pattern.