Agent-to-Agent Protocol

OfficialOrchestration

Google's open protocol for inter-agent communication. Defines how AI agents discover each other, negotiate capabilities, and collaborate on tasks across different frameworks.

by Google5.2k starsApache-2.0Updated Apr 2026

Installation

Install
pip install a2a-sdk

Language support

PythonTypeScript

Supported LLMs

Framework-agnostic protocol

Features (7)

agent_discovery
capability_negotiation
task_delegation
streaming
push_notifications
multi_modal
enterprise_ready

Details

Author
Google
Category
Orchestration
Languages
2
Features
7
Stars
5.2k
License
Apache-2.0
Status
Official