OpenSpec – A lightweight and configurable AI spec framework

OpenSpec is a lightweight, configurable framework that lets teams capture and manage software specifications, keeping developers and coding agents aligned as work progresses. It refines requirements, validates that they describe the intended product, and verifies that the implementation matches the spec. The framework supports installation on platforms such as Claude, CodeCodex, Cursor, GitHub Copilot, Gemini, CLIOpen, Code Amazon Q, Developer Antigravity, Auggie, IBM Bob, Shell Cline, and many others.