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a2a-rs

Idiomatic Rust implementation of A2A with client/server support, multiple transports, and streaming.

Pricing

Free

Dev Tools

Curated resource

Technical badges

CustomRust1.0-alpha

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What it does

Long-form description, mapped skills, and a concrete usage example.

a2a-rs is one of the strongest Rust-native A2A implementations available today. It emphasizes idiomatic Rust, hexagonal architecture, server and client support, and multiple transport options including WebSocket and HTTP.

Build Rust A2A servers and clients

Use a Rust-native protocol implementation with strong architecture boundaries.

Technical

Framework

Custom

Language

Rust

Spec version

1.0-alpha

Interaction

Text, Streaming

Supported input

TextJSON

Supported output

TextJSON

Requirements

API keys

None

Infra

None

Estimated run cost

Free SDK dependency.

External services

None

How to install

Clone or access the repository at https://github.com/EmilLindfors/a2a-rs.

Checkout the branch or tag `main`.

Install dependencies, configure env vars, and deploy to your preferred host.

Clone the repo to explore its Rust client/server implementation and transport abstractions.

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