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Formal evaluation framework for Claude Code sessions implementing eval-driven development (EDD) principles

Use this skill when writing new features, fixing bugs, or refactoring code. Enforces test-driven development with 80%+ coverage including unit, integration, and E2E tests.

Go testing patterns including table-driven tests, subtests, benchmarks, fuzzing, and test coverage. Follows TDD methodology with idiomatic Go practices.

Idiomatic Go patterns, best practices, and conventions for building robust, efficient, and maintainable Go applications.

Use this skill when adding authentication, handling user input, working with secrets, creating API endpoints, or implementing payment/sensitive features. Provides comprehensive security checklist and patterns.

Universal coding standards, best practices, and patterns for TypeScript, JavaScript, React, and Node.js development.

PostgreSQL database patterns for query optimization, schema design, indexing, and security. Based on Supabase best practices.

Automatically extract reusable patterns from Claude Code sessions and save them as learned skills for future use.

Instinct-based learning system that observes sessions via hooks, creates atomic instincts with confidence scoring, and evolves them into skills/commands/agents.