OpenSpec

Fission-AI/OpenSpec

Spec-driven development for AI coding assistants

PersonalEnterpriseDeveloper toolsCoding assistantsCLIPermissive
openspec.dev
Preview of OpenSpec
Preview of OpenSpec at openspec.dev

About

A lightweight workflow where you and your coding agent agree on a written spec and change proposals before any code is written. Works with most AI coding tools.

From the repository: “Spec-driven development (SDD) for AI coding assistants.”

Spec KitToolkit for spec-driven development with AI agentsCLI85
RepomixPack a repository into one AI-friendly fileCLI83
Open Code ReviewHybrid AI code review tool from AlibabaCLI81
InsForgeBackend platform for agentic codingDocker / self-host82

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