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Found 421 Skills
Consult this skill for Python testing implementation and patterns. Use when writing unit tests, setting up test suites, implementing TDD, configuring pytest, creating fixtures, async testing, writing integration tests, mocking dependencies, parameterizing tests, setting up CI/CD testing. Do not use when evaluating test quality - use pensive:test-review instead. DO NOT use when: infrastructure test config - use leyline:pytest-config.
AI-native software development lifecycle that replaces traditional SDLC. Triggers on "plan and build", "break this into tasks", "build this feature end-to-end", "sprint plan this", "absolute-human this", or any multi-step development task. Decomposes work into dependency-graphed sub-tasks, executes in parallel waves with TDD verification, and tracks progress on a persistent board. Handles features, refactors, greenfield projects, and migrations.
Autonomous PRD implementation loop — turns GitHub issues into shipped code using TDD, code review gates, and Docker sandbox isolation. The execution engine for the grill-me → write-a-prd → prd-to-issues → ralph pipeline.
Python development with ruff, mypy, pytest - TDD and type safety
Use when writing new functions, adding features, fixing bugs, or refactoring by applying TDD principles - write failing tests before implementation code, make them pass, then refactor.
Enforce Test-Driven Development (TDD) workflow for all code changes. Apply PROACTIVELY by default using Red-Green-Refactor cycles for features, bug fixes, and refactoring.
Transform specifications into actionable implementation plans with phases, tasks, and acceptance criteria. Use when: (1) User asks to create/write an implementation plan, (2) User asks to plan implementation from a specification, (3) Converting specifications from .workflows/specification/{topic}/specification.md into implementation plans, (4) User says 'plan this' or 'create a plan', (5) Need to structure how to build something with phases and concrete steps. Creates plans in .workflows/planning/{topic}/plan.md that can be executed via strict TDD.
Deprecated alias for tdd skill
TDD and testing skills for iOS/macOS apps. Covers characterization tests, TDD workflows, test contracts, snapshot tests, and test infrastructure. Use for test-driven development, adding tests to existing code, or building test infrastructure.
Write tests following TDD principles. Use when implementing features, fixing bugs, or adding test coverage. Covers e2e, integration, and unit testing patterns.
Generates detailed implementation plans with milestones and tasks from business and technical requirements. Embeds best practices including task sizing (30m-2.5h), style anchors, TDD requirements, and quality constraints. Outputs milestones.yaml and milestone-m*.tasks.yaml files ready for development.
Phase d'architecture systématique AVANT le code (TDD). Use when starting a new feature that touches multiple files, designing a new module, or making non-trivial architectural choices.