a2a-protocol

Multi-agent interoperability is enabled by the A2A protocol, which allows AI agents from different vendors like claude-code and gemini-cli to discover each other and exchange messages using standard JSON-RPC, gRPC, or HTTP+JSON bindings.

The A2A protocol is a standard for agent-to-agent communication that defines how agents discover each other via well-known cards, manage task lifecycles, and send real-time updates through streaming and push notifications.

Push notifications for long-running tasks are configured using the A2A protocol's task lifecycle management, allowing agents to register for real-time updates and receive streaming data as tasks progress.

Yes, the A2A protocol supports JSON-RPC, gRPC, and HTTP+JSON bindings for message exchange, adhering to official authentication and security schemes to ensure secure cross-vendor agent communication.

Agent discovery in the A2A protocol uses well-known cards and registries, allowing AI agents to locate each other, establish communication channels, and coordinate tasks across different platforms.

Yes, A2A enables cross-vendor interoperability across agents like claude-code, openai-codex, and gemini-cli, allowing them to exchange messages and manage tasks via standardized JSON-RPC and gRPC bindings.