exo.a2a - Exo Docs

Agent-to-Agent protocol for cross-service agent communication.

Installation

Part of the exo-ai monorepo:

bash

git clone https://github.com/Midsphere-AI/exo-ai.git && cd exo-ai
uv sync

python

import exo.a2a

Export	Module	Description
`A2AClient`	`exo.a2a.client`	HTTP client for communicating with remote A2A agents
`A2AClientError`	`exo.a2a.client`	Error raised for client-level errors
`ClientManager`	`exo.a2a.client`	Thread-safe manager for per-thread A2A clients
`RemoteAgent`	`exo.a2a.client`	Agent-compatible wrapper for remote A2A agents
`A2AServer`	`exo.a2a.server`	FastAPI-based A2A server with agent card discovery
`A2AServerError`	`exo.a2a.server`	Error raised for server-level errors
`AgentExecutor`	`exo.a2a.server`	Wraps an agent for A2A task execution
`TaskStore`	`exo.a2a.server`	Protocol for task state storage
`InMemoryTaskStore`	`exo.a2a.server`	In-memory task store for development
`AgentCard`	`exo.a2a.types`	Complete metadata descriptor for a remote agent
`AgentSkill`	`exo.a2a.types`	A single capability advertised by an agent
`AgentCapabilities`	`exo.a2a.types`	Runtime capabilities of an A2A agent
`TaskState`	`exo.a2a.types`	Lifecycle states for a remote A2A task
`TaskStatus`	`exo.a2a.types`	Current status of a remote A2A task
`TaskStatusUpdateEvent`	`exo.a2a.types`	Emitted when a remote task changes state
`TaskArtifactUpdateEvent`	`exo.a2a.types`	Emitted when a remote task produces output
`TransportMode`	`exo.a2a.types`	Supported A2A transport protocols
`ServingConfig`	`exo.a2a.types`	Server-side configuration for A2A publishing
`ClientConfig`	`exo.a2a.types`	Client-side configuration for connecting