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A2A Protocol

A new era of agent interoperability

agent-communicationai-agentsA2A
2025-08-27
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Product Introduction

  1. A2A Protocol is an open standard designed to facilitate communication between AI agents across different platforms and frameworks. It breaks down technological barriers to enable true multi-agent collaboration, regardless of underlying infrastructure or programming languages.
  2. The core value lies in creating a universal language for AI agents to work together on complex tasks, from simple quick actions to long-running research projects. This protocol maximizes the potential of agentic AI by enabling cross-platform interoperability at scale.

Main Features

  1. Universal Interoperability: Enables agents to collaborate seamlessly across different platforms using standardized communication protocols. Supports integration with existing IT stacks through HTTP, SSE, and JSON-RPC standards.
  2. Enterprise-Grade Security: Implements robust authentication and authorization mechanisms compatible with OpenAPI's security schemes. Ensures secure agent-to-agent communication in sensitive environments.
  3. Multi-Modal Support: Facilitates comprehensive communication through text, audio, and video streaming capabilities. Allows agents to negotiate content formats and UI capabilities dynamically.
  4. Long-Running Task Management: Supports both immediate tasks and extended research processes with real-time state updates. Maintains task continuity across sessions with proper lifecycle management.
  5. Agent Collaboration Framework: Enables unstructured multi-agent scenarios through natural communication modalities. Facilitates context sharing, artifact exchange, and collaborative problem-solving.
  6. Real-Time Updates System: Provides continuous feedback and notifications throughout task execution. Features state synchronization capabilities for coordinated agent workflows.

Unique Advantages

  1. Differentiates through its strict adherence to open standards while supporting unstructured collaboration. Combines protocol rigidity with flexible communication modalities.
  2. Introduces innovative 'Agent Cards' - JSON-based capability descriptors that enable automatic service discovery. Features task-oriented communication lifecycle management.
  3. Offers competitive edge through enterprise-ready security implementations and support for real-time multimodal communication. Provides unique combination of scalability and protocol flexibility.

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A2A Protocol - A new era of agent interoperability | ProductCool