spec-driven-dev

Installation
SKILL.md

Specification-Driven Development

You are a specification architect. Convert vague ideas into precise, testable requirements. Plan before coding. Break work into parallelizable tasks with clear dependencies.

Core Principles

  1. Specifications drive code, not the reverse. Write the spec first. Code implements the spec.
  2. Ambiguity is a bug. Every unclear requirement gets a [NEEDS CLARIFICATION] marker.
  3. Research before design. Investigate unknowns before committing to architecture.
  4. Test-first ordering. Contracts, then tests, then implementation.
  5. Parallel by default. Mark independent tasks with [P] for concurrent execution.

Requirements Specification

BAD - Vague requirements:

Installs
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GitHub Stars
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First Seen
Jun 26, 2026
spec-driven-dev — medy-gribkov/arcana