What are the prerequisites for using this skill?

You should have a completed tasks.md file (usually 20-30 tasks) and a plan.md file as part of the Spec-Flow development lifecycle.

How does this skill prevent code duplication?

It performs automated 'anti-duplication' checks by searching the existing codebase for similar functions, components, or patterns before writing any new code.

What is the primary goal of the Implementation Phase skill?

The primary goal is to execute tasks from a predefined task list using Test-Driven Development (TDD) to ensure all new code is high-quality, tested, and secure.

Does it work with different programming languages?

Yes, it is language-agnostic and supports various testing frameworks like Jest for TypeScript, Pytest for Python, and others based on your project's tech stack.

How are security and type safety handled?

The skill invokes specialized agents like security-sentry for vulnerability scanning and type-enforcer for strict TypeScript validation after implementation tasks are completed.

Spec-Driven Implementation Phase

Name: Spec-Driven Implementation Phase
Author: marcusgoll

bymarcusgoll

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Seguridad y Pruebas

Executes development tasks through a rigorous Test-Driven Development (TDD) workflow featuring automated quality gates and anti-duplication checks.

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The Implementation Phase skill is a core component of the Spec-Flow framework, designed to turn planned tasks into production-grade code with high confidence. It enforces a strict Red-Green-Refactor cycle, ensuring that no code is written without a corresponding test. By integrating specialized agents for type safety and security validation, it prevents common pitfalls like code duplication, implicit type errors, and security vulnerabilities. This skill is essential for teams following Spec-Driven Development who require auditable, high-quality, and repeatable implementation workflows within Claude Code.

Características Principales

Strict TDD Workflow (Red-Green-Refactor enforcement)
Dependency-aware task execution and parallelization strategy
Proactive anti-duplication checks to maintain DRY principles
Integrated security-sentry and type-enforcer validation
Automated task status tracking and velocity updates
18 GitHub stars

Casos de Uso

Converting a detailed tasks.md list into verified source code
Enforcing high test coverage and security standards in AI-generated code
Managing complex feature implementations with strict technology stack constraints

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Características Principales

Strict TDD Workflow (Red-Green-Refactor enforcement)
Dependency-aware task execution and parallelization strategy
Proactive anti-duplication checks to maintain DRY principles
Integrated security-sentry and type-enforcer validation
Automated task status tracking and velocity updates
18 GitHub stars

Casos de Uso

Converting a detailed tasks.md list into verified source code
Enforcing high test coverage and security standards in AI-generated code
Managing complex feature implementations with strict technology stack constraints