Show HN: Yass – Yet Another Spec Syntax Enters Beta

Category: devtools

Tags: spec-language, ai-agent, yaml, tdd, cli

Score: 5.5/10 (Innovation: 6, Technical: 5, Documentation: 7, Utility: 4)

Yass is a YAML-based specification language and CLI tool designed to facilitate AI-agent-driven development, particularly test-driven development. It provides a structured way to capture behavior specs that agents can consume to generate and validate code, with an emphasis on agent-first documentation and workflows.

Target audience: backend developers, AI engineers, devops

Repository: https://github.com/shakefu/yass · Go · AGPL-3.0 · 3 stars

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