How to Build a Tool

Guide tool building through discovery, specification, implementation, testing, and collaboration phases.

1|Updated Dec 24, 2025
One-click install
npx skills add https://github.com/robertcope/mira --skill how-to-build-a-tool
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: How to Build a Tool
Source: https://github.com/robertcope/mira/tree/main/.claude/skills/tool-builder
Command: npx skills add https://github.com/robertcope/mira --skill how-to-build-a-tool

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Provides a methodology for building tools with phased workflows: discovery, specification, implementation, testing, and collaboration.

Core Features & Use Cases

  • Requirements discovery
  • Specification analysis
  • Codebase pattern study
  • Incremental implementation
  • Collaborative design

Quick Start

Follow the phases to build a tool: discovery → specification → implementation → testing → collaboration; start with a small tool.