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About

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 designed for agent-human interaction: during agent executions, backends emit events compatible with standard AG-UI event types, and agent backends can accept simple AG-UI-compatible inputs as arguments. It works with any event transport, including SSE, WebSockets, webhooks, and other streaming systems, while providing a flexible middleware layer that ensures compatibility across diverse environments. AG-UI brings agents into user-facing applications and complements the wider agentic protocol stack: MCP gives agents tools, A2A allows agents to communicate with other agents, and AG-UI connects agents directly to the user interface.

About

OpenLegion is a production-grade AI agent framework and platform for building an AI workforce by describing the team you want. Tell OpenLegion “I want a marketing agency,” “I want a sales team,” or “I want a research desk,” and it deploys the agent stack with roles, budgets, permissions, and secure credential controls built in. Instead of stopping at chat, OpenLegion is designed for real workflows; agents can browse websites, fill out forms, write and run code, send emails and messages, manage files and folders, research and summarize, scrape data, qualify sales leads, process spreadsheets, post to social media, monitor for changes, and trigger workflows through Slack, Telegram, or Discord. Each agent runs in its own isolated container with per-agent budgets, tool permissions, persistent memory, MCP-compatible skills, and vault-secured credentials that agents never touch.

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Supported
Mac Supported
Linux Supported
Cloud Not Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

AI product developers building interactive agent-powered applications that need structured streaming, tool calls, shared state, and human-in-the-loop control

Audience

Operations-heavy teams that need secure, budget-controlled AI agent fleets to automate browser, coding, research, sales, and internal workflows in production

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Not Supported
24/7 Live Support Supported
Online Supported

API

Offers API Not Supported

API

Offers API Supported

Screenshots and Videos

Screenshots and Videos

Pricing

Free
Free Version Supported
Free Trial Not Supported

Pricing

$19 per month
Free Version Not Supported
Free Trial Not Supported

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Supported
In Person Not Supported

Company Information

AG-UI
United States
ag-ui.com

Company Information

OpenLegion
United States
www.openlegion.ai/

Alternatives

Alternatives

TF-Agents

TF-Agents

Tensorflow

Categories

Agentic AI Supported
UX Supported

Categories

Integrations

Model Context Protocol (MCP) Supported
Agent Development Kit (ADK) Supported
Agno Supported
ChatGPT Not Supported
Claude Not Supported
CrewAI Supported
Discord Not Supported
Docker Not Supported
Gemini Not Supported
LangGraph Supported
LlamaIndex Supported
Mastra AI Supported
OpenUI Supported
PydanticAI Supported
Slack Not Supported
Telegram Not Supported

Integrations

Model Context Protocol (MCP) Supported
Agent Development Kit (ADK) Not Supported
Agno Not Supported
ChatGPT Supported
Claude Supported
CrewAI Not Supported
Discord Supported
Docker Supported
Gemini Supported
LangGraph Not Supported
LlamaIndex Not Supported
Mastra AI Not Supported
OpenUI Not Supported
PydanticAI Not Supported
Slack Supported
Telegram Supported
Claim AG-UI and update features and information
Claim AG-UI and update features and information
Claim OpenLegion and update features and information
Claim OpenLegion and update features and information