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a2a-directory

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Multi-Agent Platforms & Frameworks
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Basic Information

This repository is a curated directory and reference for the A2A (Agent2Agent) protocol ecosystem. It collects and organizes official documentation, language SDKs, sample agents and host applications, community implementations, tools, and tutorials that demonstrate how agents communicate and collaborate via the A2A protocol. The README provides an overview of the protocol intent and architecture, quick start guidance for learning the specification and running samples, and categorized lists of official samples in Python, Go, and JavaScript/TypeScript. It also catalogs community SDKs, server and client implementations, test suites, validation tools, and example projects that showcase common agent tasks such as form handling, file chat, telemetry and tool invocation. The repo is intended as a discovery and onboarding hub for people building or integrating A2A agents and applications.

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302
App URL
https://github.com/sing1ee/a2a-directory
Github Repository
https://github.com/sing1ee/a2a-directory/blob/main/README.md

Categorization

App Details

Features
The directory highlights core protocol characteristics and ecosystem resources. It summarizes A2A protocol traits such as HTTP/JSON-RPC and SSE usage, async-first design for long-running tasks, modality-agnostic messaging for text/files/forms/streams, enterprise-focused security and opaque execution between agents. It organizes official language samples and agent examples across Python, Go, and JavaScript, and lists host applications like CLI and multi-agent orchestrators. The README also points to essential tooling including a protocol validator and test suites, plus community SDKs and implementations in Java, Go, Rust, .NET, TypeScript and minimal Python variants. Community samples and tutorials illustrating real agent use cases and integrations are included to help developers explore concrete examples.
Use Cases
This directory helps developers, integrators, and architects discover and adopt the A2A protocol by centralizing learning and implementation resources. It provides a clear on-ramp with recommended documentation and demo material, step-by-step suggestions for running official samples, and example agents that demonstrate common tasks like form completion, file parsing, telemetry and analytics. By aggregating SDKs, server and client projects, validation tools and community tutorials, the repo reduces effort to prototype interoperable agents, test protocol conformance, and compare implementations across languages and frameworks. It also surfaces community projects and sample integrations that can be forked or adapted, and points contributors to where to discuss issues and propose improvements.

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