GitHub Spec Kit
A specification framework for defining AI agent constitutions and behavioral guidelines on GitHub.
At a Glance
Pricing
Open specification framework available freely via GitHub.
Engagement
Available On
Listed Mar 2026
About GitHub Spec Kit
GitHub Spec Kit is a framework for defining, managing, and sharing AI agent constitutions and behavioral specifications directly within GitHub repositories. It provides a structured approach to codifying how AI agents should behave, what constraints they operate under, and how they interact with users and systems. The tool is designed for developers and teams building AI-powered applications who need a consistent, version-controlled way to manage agent behavior specifications. By leveraging GitHub's existing infrastructure, Spec Kit integrates naturally into existing development workflows.
- Constitution Definition: Define structured behavioral guidelines and constraints for AI agents using a standardized specification format.
- Quickstart Workflow: Get started quickly by following the step-by-step guide to define your first agent constitution in a GitHub repository.
- Version Control Integration: Manage agent specifications alongside your codebase using Git, enabling history tracking, branching, and collaboration.
- Shareable Specs: Publish and share agent constitutions across teams or the open-source community via GitHub repositories.
- Structured Format: Use a consistent schema to describe agent capabilities, restrictions, and behavioral rules in a machine-readable format.
- Developer-Friendly: Designed to fit into existing GitHub-based development workflows with minimal setup required.
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Pricing
Free Plan Available
Open specification framework available freely via GitHub.
- Agent constitution definition
- Version-controlled specifications
- Shareable spec format
- Quickstart guide
Capabilities
Key Features
- AI agent constitution definition
- Behavioral specification management
- Version-controlled agent specs
- Shareable specification format
- Quickstart guide
- Structured schema for agent rules
