18 Sep 2025 4 min read

AI Agent Protocol: Google’s New Security Standard Gains 60+ Company Support

• Google has launched the Agent Protocol, an open standard for secure AI agent transactions
• 60+ companies have already pledged support, including Anthropic, Cohere, and Meta
• The protocol aims to standardize how AI agents interact with apps, services, and each other
• It includes critical security features to prevent unauthorized access and protect user data
• Google has released a reference implementation on GitHub to accelerate adoption

What Is the Agent Protocol and Why It Matters

Google has unveiled a significant advancement in AI infrastructure with its new Agent Protocol, an open standard designed to secure transactions between AI agents and various applications. The protocol addresses a critical need in the rapidly evolving AI ecosystem by establishing consistent methods for AI agents to interact with apps, services, and other agents while maintaining robust security measures.

With over 60 companies already pledging support, including major players like Anthropic, Cohere, and Meta, the Agent Protocol is positioned to become an industry standard. This wide adoption reflects the growing recognition that standardized interfaces are essential for the safe and effective deployment of AI agents across different platforms and services.

Security Features and Implementation

The Agent Protocol prioritizes security through several key mechanisms. It implements strict authentication and authorization processes to prevent unauthorized access to AI agent capabilities. This is particularly important as AI agents gain more abilities to perform actions on behalf of users.

Google has made the protocol freely available on GitHub as a reference implementation, providing developers with the tools they need to integrate it into their systems. The protocol includes comprehensive documentation and example code, making it accessible to both established companies and independent developers.

Industry Impact and Future Implications

The introduction of the Agent Protocol represents a significant step toward creating a more interoperable AI ecosystem. By standardizing how AI agents communicate and interact, Google is helping to reduce fragmentation and compatibility issues that could otherwise slow innovation.

Industry experts suggest that this standardization could accelerate the development of more sophisticated AI applications by allowing developers to focus on creating unique capabilities rather than solving basic communication challenges. The protocol’s open nature also encourages collaboration and innovation across the AI industry.

What is Google’s Agent Protocol?

The Agent Protocol is an open standard developed by Google that establishes secure methods for AI agents to interact with applications, services, and other AI agents. It provides a standardized framework for authentication, authorization, and communication between AI systems.

Which companies are supporting the Agent Protocol?

Over 60 companies have already pledged support for the protocol, including major AI players like Anthropic, Cohere, and Meta, as well as numerous startups and established tech companies working in the AI space.

How does the Agent Protocol improve security?

The protocol implements robust authentication and authorization mechanisms to ensure that only authorized users and systems can access AI agent capabilities. It also includes features to prevent unauthorized actions and protect user data during transactions between AI systems.

Where can developers access the Agent Protocol?

Google has released a reference implementation of the Agent Protocol on GitHub, making it freely available to developers. The repository includes documentation, example code, and implementation guidelines.

How will the Agent Protocol affect AI development?

The protocol is expected to accelerate AI innovation by creating a standardized way for AI agents to interact with various systems. This standardization reduces development complexity, improves interoperability, and allows developers to focus on creating new AI capabilities rather than solving basic communication issues.

Is the Agent Protocol only for Google products?

No, the Agent Protocol is designed as an open standard that can be implemented by any company or developer. Google has specifically designed it to be platform-agnostic, allowing it to work across different AI systems, applications, and services regardless of who created them.

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