Claude Critical Rules MCPDeveloper ToolsDocumentation AccessTesting & QA ToolsoptimaquantumAlicenseAqualityCmaintenanceEnforces 21 critical rules derived from 96+ documented failure patterns to prevent common AI assistant mistakes. Provides automatic compliance checklists, rule summaries, and auto-updates. Updated 8 months ago (2026-01-10 13:29 UTC)5157MIT