Test-First Development (TDD) ensures that code is written to satisfy specific, predefined requirements, leading to higher quality and better design.
Structure (Arrange-Act-Assert) Follow the AAA pattern for clear and maintainable tests:
Guide for Test-First (Test-Driven) Development. Focuses on writing tests before implementation, ensuring comprehensive coverage and clear requirements. Covers test design, edge cases, and the Arrange-Act-Assert structure. Source: s-hiraoku/synapse-a2a.
Open your terminal or command line tool (Terminal, iTerm, Windows Terminal, etc.) Copy and run this command: npx skills add https://github.com/s-hiraoku/synapse-a2a --skill test-first Once installed, the skill will be automatically configured in your AI coding environment and ready to use in Claude Code, Cursor, or OpenClaw