Agent Communication Protocol (ACP)The Linux Foundation
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Related Products
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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.
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About
The Agent Communication Protocol (ACP) is an open interoperability standard designed to enable seamless communication between AI agents, applications, and human users. It provides a standardized RESTful API that supports synchronous and asynchronous interactions, streaming communication, long-running tasks, and both stateful and stateless operations. ACP is framework-agnostic, allowing agents built with technologies such as BeeAI, LangChain, CrewAI, or custom solutions to work together without requiring changes to their internal architecture. The protocol supports all content modalities through MimeTypes, making it flexible enough to handle text, images, audio, video, and custom data formats. ACP also includes capabilities for online and offline agent discovery, helping organizations find and connect compatible agents across different environments.
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Platforms Supported
Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook
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Platforms Supported
Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook
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Audience
AI product developers building interactive agent-powered applications that need structured streaming, tool calls, shared state, and human-in-the-loop control
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Audience
ACP is designed for AI developers, software engineers, technology teams, and organizations building, integrating, or managing interoperable AI agents across multiple platforms and frameworks
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Support
Phone Support
24/7 Live Support
Online
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Support
Phone Support
24/7 Live Support
Online
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API
Offers API
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API
Offers API
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Screenshots and Videos |
Screenshots and VideosNo images available
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Pricing
Free
Free Version
Free Trial
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Pricing
Free
Free Version
Free Trial
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Reviews/
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Reviews/
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Training
Documentation
Webinars
Live Online
In Person
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Training
Documentation
Webinars
Live Online
In Person
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Company InformationAG-UI
United States
ag-ui.com
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Company InformationThe Linux Foundation
agentcommunicationprotocol.dev/
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Alternatives |
Alternatives |
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Categories |
Categories |
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Integrations
CrewAI
Model Context Protocol (MCP)
Agent Development Kit (ADK)
Agno
Brief
LangChain
LangGraph
LlamaIndex
Mastra AI
PydanticAI
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Integrations
CrewAI
Model Context Protocol (MCP)
Agent Development Kit (ADK)
Agno
Brief
LangChain
LangGraph
LlamaIndex
Mastra AI
PydanticAI
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