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What is Agent2Agent (A2A)?

Agent2Agent (A2A) is a groundbreaking protocol introduced by Google to improve communication and collaboration between AI agents. This protocol allows AI systems to exchange tasks, data, and insights autonomously, making multi-agent workflows more efficient. A2A facilitates the seamless integration of different AI models, ensuring they work together in a synchronized manner, which is crucial for the development of advanced AI ecosystems. By supporting knowledge transfer between agents, A2A opens up new possibilities for complex, multi-step processes and smarter AI applications.

What is Agent Communication Protocol (ACP)?

The Agent Communication Protocol (ACP) is a universal communication framework designed to improve interoperability among AI agents, software applications, and human-operated systems. It addresses the growing fragmentation of the AI ecosystem by providing a consistent method for agents built on different frameworks to communicate effectively. ACP uses a RESTful architecture that aligns with widely adopted web standards, making integration straightforward for developers and organizations. The protocol supports synchronous requests, asynchronous workflows, streaming interactions, and extended tasks that may take significant time to complete. Through MimeType-based messaging, ACP can transmit virtually any type of content, including text, images, audio, video, and proprietary file formats. The platform remains independent of any specific AI framework, allowing teams to integrate agents developed with BeeAI, LangChain, CrewAI, custom architectures, and future technologies. ACP also supports both online and offline discovery methods, making it easier to locate and connect agents in a variety of deployment environments. This flexibility enables organizations to replace agents, build collaborative multi-agent systems, and integrate AI capabilities across complex technology stacks. Businesses can use ACP to facilitate communication between internal tools, external partners, and specialized AI services without creating custom integrations for every connection. Official SDKs for Python and TypeScript are available, while the protocol itself remains simple enough to use with standard HTTP clients and development tools. As part of the Linux Foundation’s A2A ecosystem, ACP helps establish a scalable and open foundation for the next generation of interconnected AI systems.

Media

Media

No images available

Integrations Supported

Model Context Protocol (MCP)
Agent Development Kit (ADK)
Agent Payments Protocol (AP2)
Redpanda Agentic Data Plane

Integrations Supported

Model Context Protocol (MCP)
Brief
CrewAI
LangChain
Python
TypeScript

API Availability

API Availability

Pricing Information

Free
Open source
Free Version

Pricing Information

Free
Open source
Free Version

Supported Platforms

SaaS
Windows
Mac
On-Prem
Linux

Supported Platforms

Windows
Mac
On-Prem
Linux

Customer Service / Support

Not specified

Customer Service / Support

Not specified

Training Options

Documentation Hub

Training Options

Documentation Hub

Company Facts

Organization Name

Google

Date Founded

1998

Company Location

United States

Company Website

google.github.io/A2A/

Company Facts

Organization Name

The Linux Foundation

Company Website

agentcommunicationprotocol.dev/

Categories and Features

Agentic AI

Not specified

Agentic Orchestration

Not specified

AI Development

Not specified

AI Orchestration

Not specified

Categories and Features

Agentic AI

Not specified

Context Engineering

Not specified

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