OpenViSTAI · Agents · Blockchain · Crypto
Submit a project
Menu
Agent Frameworks

Ag UI

Ag UI is an open, lightweight, event-based protocol that standardizes communication between AI-agent backends, real-time user context and user-facing applications.

Independent OpenViST project profile, based on linked sources.

Ag UI — OpenViST project profile in Agent Frameworks.
OpenViST project illustration. See the linked sources for product details.
Understand the project

Practical overview

When it fits

Use Ag UI when an AI agent needs a standardized connection to a user-facing application and the integration must accommodate event streaming, context exchange or interactive interface behavior.

Who it is for

  • Frontend developers integrating AI agents into web applications.
  • Agent-framework developers building protocol-compatible integrations.
  • Teams connecting an existing agent backend to an interactive user interface.

Documented uses

  • Pass standardized agent events to a frontend.
  • Exchange real-time user context between an agent and an interface.
  • Coordinate streaming chat, shared state, structured messages and frontend tools.
  • Add a reusable agent-interaction layer to TypeScript applications.
Before you choose

Requirements & limits

The repository is public, active and MIT-licensed. It documents a starter command and links to application and framework-integration quickstarts.

  • Ag UI supports multiple event transports, including SSE, WebSockets and webhooks.
  • A reference HTTP implementation and default connector are documented.
  • The project is an interaction protocol, so an agent backend and user-facing application remain part of the surrounding implementation.
  • Framework support is listed for built-in agents, LangChain, CrewAI, Microsoft Agent Framework, Google ADK, AWS Strands Agents, Mastra, Pydantic AI, Agno, LlamaIndex, AG2 and AWS Bedrock Agents.
  • Specific agent implementations and application architectures may require additional adapters.

Check current requirements in the official documentation. Source-based guidance does not mean OpenViST has run or independently tested this project.

COMPARE OPTIONS

Compare options for Agent orchestration

These projects document a common task and share a project role. This is a source-based comparison, not an execution benchmark or a guarantee of interchangeability.

ProjectDocumented purposePlatformAccess and requirements
Ag UIPass standardized agent events to a frontend.Cloud, Self-hosted, Server, WebThe repository is public, active and MIT-licensed. It documents a starter command and links to application and framework-integration quickstarts.
MCP Agent MailRegister agent identities and inspect active agents and their activity.Server
Evidence and transparency

Sources & review

Official repository ↗
Source record details
Source availability
Active
Sources checked
2 October 2026
Original website title
ag-ui-protocol/ag-ui · Official homepage title · retained in its source language
How we review sourcesSuggest a correction