spex-implement

Translate design documents into runnable software with TDD scaffolding.

Updated Feb 12, 2026
One-click install
npx skills add https://github.com/dmayerdesign/spex --skill spex-implement
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: spex-implement
Source: https://github.com/dmayerdesign/spex/tree/main/.claude/skills/spex-implement
Command: npx skills add https://github.com/dmayerdesign/spex --skill spex-implement

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill bridges the gap between design documents and executable software by guiding a developer through a structured, test-driven path from design to implementation, reducing ambiguity and rework.

Core Features & Use Cases

  • Guided implementation workflow aligned with spec, design, and tests.
  • Enforces test-driven development with stepwise build and refactor cycles.
  • Provides clear handoffs between design, implementation, and validation to ensure alignment with requirements.

Quick Start

Provide a design document and ask the skill to generate the initial working code scaffolding that matches it.

Frequently Asked Questions about spex-implement

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I turn a software design document into working code?

To turn a design document into working code, this Skill translates your spec into runnable software by outlining a test-driven build sequence and generating initial scaffolding. You provide the design, and it outputs structured code with validation.

What is the best way to implement code from a spec using TDD?

Implementing code from a spec using TDD involves outlining a stepwise build and refactor cycle. This Skill enforces test-driven development by generating automated test scaffolding alongside initial code to validate requirements continuously.

Can I generate test scaffolding from an existing design document?

Yes, you can generate test scaffolding from an existing design document. The Skill applies a TDD-driven workflow to create automated tests that match your spec, ensuring clear handoffs between design, implementation, and validation.

How do I reduce rework when translating software designs into code?

To reduce rework when translating designs into code, the Skill bridges the gap between spec and execution through a guided implementation workflow. It enforces alignment with requirements using stepwise test-driven development cycles.

Does this design-to-code tool work without external dependencies?

Yes, this design-to-code tool works without external dependencies. It relies entirely on your provided design document to outline the build sequence and generate the initial runnable software scaffolding.

When do I need a guided implementation workflow for software projects?

You need a guided implementation workflow for software projects when a design exists and you seek structured code generation. It is specifically for translating specs into runnable software while enforcing test-driven development to reduce ambiguity.