Name Author Description Stars

legion-a2a @TheRaLabs A TypeScript implementation of the A2A protocol with a focus on modularity and extensibility

a2a-go @a2aserver A Go library for building A2A servers, with example implementations

a2a-rs @EmilLindfors An idiomatic Rust implementation following hexagonal architecture principles

a2a_min @pcingola A minimalistic Python SDK for A2A communication

a2adotnet @azixaka A C#/.NET implementation of the A2A protocol

nestjs-a2a @thestupd A module for integrating the A2A protocol into NestJS applications

python-a2a @themanojdesai An easy-to-use Python library for implementing the A2A protocol

Aira @IhateCreatingUserNames2 An A2A network implementation for hosting, registering, discovering, and interacting with agents

Cognisphere @IhateCreatingUserNames2 An AI agent development framework built on Google's ADK, facilitating agent creation potentially for A2A networks

a2a-server @chrishayuk A lightweight A2A python implementation

a2a-cli @chrishayuk A command-line client for the A2A

A2A Test Suit @robert-at-pretension-io A2A Test Suite

Grasp @adcentury A Self-hosted Browser Using Agent with built-in MCP and A2A support

A2A Implementations