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Found 60 Skills
Write the test first, watch it fail, then write the least code that passes. Covers where the test belongs, what makes it honest, what a passing test proves and what it does not, recovering when code was written before the test, and starting a bug fix from a red run. A test nobody watched fail proves nothing. Use when implementing a feature or a bugfix, when a test was written after the code, when a test passes the first time you run it, or when the user says "write tests for this", "add coverage", or "TDD this". Not for judging tests inside a change under review, and not for choosing a test framework.
Enforces the discipline of thinking about tests, features, and maintainability BEFORE writing implementation code. Use when starting new classes/methods, refactoring existing code, or when asked to "think about tests first", "design for testability", "what tests do I need", "test-first approach", or "TDD thinking". Promotes simple, maintainable designs by considering testability upfront. Works with any codebase requiring test coverage and quality standards.
Plan-spec-implement workflow for structured development. Only use when explicitly directed by user or when mentioned in project AGENTS.md file. Generates ephemeral plans in ~/.dot-agent/, applies specs to project docs, then implements test-first.
Test-driven development via red-green-refactor with an auditable commit protocol. Use when implementing any feature, bugfix, refactor, or behavior change before writing implementation code, or when the user mentions TDD, red-green-refactor, or test-first development.
RED-GREEN-REFACTOR cycle with strict phase gates. Write failing test first, implement minimum code to pass, then refactor while keeping tests green. Use when implementing new features, fixing bugs with test-first approach, improving test coverage, or when user mentions TDD. Use for "TDD", "test first", "red green refactor", "write tests", or "implement with tests". Do NOT use for debugging existing failures (use systematic-debugging) or for refactoring without new tests (use systematic-refactoring).
Use when encountering any bug, test failure, or unexpected behavior. Enforces a strict reproduce-first, root-cause-first, failing-test-first debugging workflow before fixing.
TDD workflow planning with Red-Green-Refactor task chain generation, test-first development structure, cycle tracking, and post-execution compliance verification. Triggers on "workflow:tdd-plan", "workflow:tdd-verify".
LOAD THIS SKILL when: implementing new features with TDD, user mentions 'TDD', 'test-first', 'red-green-refactor', 'failing test', or when building Effect services that need thorough testing. Covers TDD methodology, Red-Green-Refactor cycle, Effect service testing with mock layers, and test-first development workflow.
Applies TDD workflow to development. Use when writing tests before code, implementing features test-first, fixing bugs via failing test, or refactoring with test coverage. Detects AI anti-patterns.
Clean AI-generated code slop with a test-first, deletion-first deslop workflow and optional reviewer-only mode
Implement a settled plan test-first, smallest slice at a time. Use when starting implementation of a feature or fix after the plan is settled, or when user says "implement this" or "build it".
Apply Python development policy using uv-first execution, test-first behavior validation, and pre-commit quality gates. Use when implementing or refactoring Python code.