Test Checker

Analyzes test coverage and quality:

• Coverage percentage
• Missing test cases
• Test quality assessment
• Edge case identification

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Last Updated: August 4, 2026 Claude Code Version: 2.1.220 Sources:

• https://code.claude.com/docs/en/pluginsCompatible Models: Claude Fable 5, Claude Opus 5, Claude Sonnet 5, Claude Sonnet 4.6, Claude Opus 4.8, Claude Haiku 4.5