before-you-build

Installation
SKILL.md

Before You Build

Purpose

Use this skill before an agent starts building a product, feature, SaaS tool, AI app, side project, or startup idea.

The goal is not to block shipping. The goal is to avoid spending engineering time on an idea whose biggest risk is still outside the codebase.

Before implementation, produce:

  • A short risk verdict
  • A score across product risk dimensions
  • The riskiest assumption
  • The smallest validation step worth doing next
  • A clear build, test, or stop recommendation

When To Use

Use this skill when the user says they want to:

Installs
2
GitHub Stars
464
First Seen
Aug 4, 2026
before-you-build — cosmicstack-labs/mercury-agent-skills