Universal-Commerce-Protocol

    Universal-Commerce-Protocol/ucp

    Specification and documentation for the Universal Commerce Protocol (UCP)

    backend
    Python
    Apache-2.0
    3.5K stars
    491 forks
    79 GitHub watchers
    Updated Nov 6, 2026
    View on GitHub

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    Where it stands

    Rank, growth pace and release cadence relative to everything GStars tracks.

    1 release in the last 90 days, the latest 72 days ago, with 68 contributors on GitHub.

    Use Cases & Benefits

    • Defines an open standard protocol enabling seamless interoperability between commerce platforms, businesses, and service providers.
    • Provides a modular, transport-agnostic architecture that supports secure, agentic commerce with standardized capabilities and extensions.
    • Use for integrating AI agents to autonomously discover products, manage carts, and complete purchases securely across platforms.
    • Use for enabling businesses to declare supported commerce capabilities for dynamic discovery and easy platform integration.
    • Use for Payment Service Providers and Credential Providers to securely exchange payment tokens and credentials using standardized protocols.

    Should you depend on it?

    License terms, project hygiene and risks, from GitHub metadata and GStars' snapshots.

    License

    Apache 2.0

    Permissive: commercial use, modification and redistribution are allowed with attribution; includes an explicit patent grant from contributors.

    Community files

    • README: present
    • Contributing guide: present
    • Code of conduct: present

    Watch-outs

    No watch-outs from GStars' checks.

    General guidance from repository metadata, not legal advice. How we score

    From the README

    An open standard enabling interoperability between various commerce entities to facilitate seamless commerce integrations.

    The Universal Commerce Protocol (UCP) addresses a fragmented commerce landscape by providing a standardized common language and functional primitives. It enables platforms (like AI agents and apps), businesses, Payment Service Providers (PSPs), and Credential Providers (CPs) to communicate effectively, ensuring secure and consistent commerce experiences across the web.

    Excerpt from the Universal-Commerce-Protocol/ucp README on GitHub (Apache-2.0 license). © its authors.Read the full README on GitHub

    Daily snapshots

    Stars gained per day, and how forks and open issues moved, from GStars' daily snapshots

    Aug 9: +4

    +199 stars over 90 days across 8 snapshot days; best day +4 on Aug 9.

    Forks

    491+56

    Open issues

    262+91

    Compared with peers in Backend

    Fastest-growing repositories GStars tracks in this cohort for the week of Nov 1, by 7-day star growth

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