A2A Protocol

A2A Implementations

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A2A Implementations

A2A Implementations

Name Author Description Stars
a2ajava @vishalmysore A pure Java implementation of Google's A2A protocol for Spring Boot applications, featuring both client and server implementations Stars
legion-a2a @TheRaLabs A TypeScript implementation of the A2A protocol with a focus on modularity and extensibility Stars
trpc-a2a-go @trpc-group Go A2A implementation by the tRPC team featuring full client/server support, in-memory task management, streaming responses, session management, multiple auth methods (JWT, API Key, OAuth2), and comprehensive examples Stars
a2a-go @a2aserver A Go library for building A2A servers, with example implementations Stars
a2a-rs @EmilLindfors An idiomatic Rust implementation following hexagonal architecture principles Stars
a2a_min @pcingola A minimalistic Python SDK for A2A communication Stars
a2adotnet @azixaka A C#/.NET implementation of the A2A protocol Stars
nestjs-a2a @thestupd A module for integrating the A2A protocol into NestJS applications Stars
python-a2a @themanojdesai An easy-to-use Python library for implementing the A2A protocol Stars
Aira @IhateCreatingUserNames2 An A2A network implementation for hosting, registering, discovering, and interacting with agents Stars
Cognisphere @IhateCreatingUserNames2 An AI agent development framework built on Google's ADK, facilitating agent creation potentially for A2A networks Stars
a2a-server @chrishayuk A lightweight A2A python implementation Stars
a2a-cli @chrishayuk A command-line client for the A2A Stars
A2A Test Suit @robert-at-pretension-io A2A Test Suite Stars
Grasp @adcentury A Self-hosted Browser Using Agent with built-in MCP and A2A support Stars
swissknife @daltonnyx A multi-agent chat application with MCP support, aiming to expose agents via the A2A protocol and connect to remote A2A agents as a client Stars
artinet-sdk @the-artinet-project A JS/TS SDK for the Agent2Agent Protocol with a focus on developer experience and comprehensive features Stars

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