GStars
    ag-ui-protocol

    ag-ui-protocol/ag-ui

    AG-UI: the Agent-User Interaction Protocol. Bring Agents into Frontend Applications.

    ai-agents
    ag-ui-protocol
    agent-frontend
    agent-ui
    agentic-workflow
    TypeScript
    MIT
    17.1K stars
    1.6K forks
    93 GitHub watchers
    Updated Nov 8, 2026
    View on GitHub

    Build with Backblaze B2

    SDKs, agent skills, IDE extensions, and reference pipelines from Backblaze Labs. All open source.

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    Where it stands

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

    5 releases in the last 90 days, the latest 2 days ago, with 174 contributors on GitHub.

    Use Cases & Benefits

    • Implements an open, lightweight, event-based protocol to integrate AI agents into user-facing frontend applications.
    • Enables seamless, flexible interoperability between diverse AI agents and frontend frameworks using standardized event types and middleware.
    • Use for building real-time agentic chat interfaces with streaming and bi-directional state synchronization.
    • Use for integrating AI agents with existing frontend tools and frameworks like LangGraph, CrewAI, and Microsoft Agent Framework.
    • Use for developing human-in-the-loop collaborative applications that enrich user context and support generative UI components.

    Should you depend on it?

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

    License

    MIT

    Permissive: commercial use, modification and redistribution are allowed with attribution.

    Community files

    • README: present
    • Contributing guide: present

    Watch-outs

    No watch-outs from GStars' checks.

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

    From the README

    AG-UI is an open, lightweight, event-based protocol that standardizes how AI agents connect to user-facing applications. Built for simplicity and flexibility, it enables seamless integration between AI agents, real time user context, and user interfaces.

    AG-UI is an open, lightweight, event-based protocol for agent-human interaction, designed for simplicity & flexibility:

    AG-UI includes a flexible middleware layer that ensures compatibility across diverse environments:

    It also ships with a reference HTTP implementation and default connector to help teams get started fast.

    Excerpt from the ag-ui-protocol/ag-ui README on GitHub (MIT 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

    Oct 2: +20

    +1,833 stars over 90 days across 9 snapshot days; best day +20 on Oct 2.

    Forks

    1.6K+186

    Open issues

    562+241

    Compared with peers in AI Agents

    Fastest-growing repositories GStars tracks in this cohort for the week of Nov 8, by 7-day star growth

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