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    1. Home
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    3. GitHub Spec Kit
    GitHub Spec Kit icon

    GitHub Spec Kit

    Agent Frameworks

    A specification framework for defining AI agent constitutions and behavioral guidelines on GitHub.

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    At a Glance

    Pricing

    Free tier available

    Open specification framework available freely via GitHub.

    Engagement

    Available On

    Web
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    SDK

    Resources

    WebsiteDocsGitHubllms.txt

    Topics

    Agent FrameworksPrompt ManagementAgent Harness

    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.
    GitHub Spec Kit - 1

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    Share your experience with GitHub Spec Kit, ask questions, or help others learn from your insights.

    Pricing

    FREE

    Free Plan Available

    Open specification framework available freely via GitHub.

    • Agent constitution definition
    • Version-controlled specifications
    • Shareable spec format
    • Quickstart guide
    View official pricing

    Capabilities

    Key Features

    • AI agent constitution definition
    • Behavioral specification management
    • Version-controlled agent specs
    • Shareable specification format
    • Quickstart guide
    • Structured schema for agent rules

    Integrations

    GitHub
    API Available
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    Developer

    GitHub

    GitHub is a Microsoft-owned platform for software development and version control using Git, offering tools like Copilot, CLI, and collaborative development features.

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