A2A & x402 Tools for Your Agent.

Quick Start

Run the install script

Paste the command below into your terminal. The script downloads and installs the latest binary.

$curl -fsSL https://raw.githubusercontent.com/planetarium/a2a-x402-wallet/main/scripts/install.sh | sh

Verify the installation

Open a new terminal and confirm the install.

$a2a-wallet --version

CLI Usage & Reference

Commands, options, and integration examples

Personal Agent Tool for the Agent First Ecosystem

A2A Standard

Full Agent-to-Agent protocol support for seamless interoperability between agents and services.

X402 Payments

Inter-agent payment signing via the x402 HTTP payment protocol — agents pay autonomously.

SIWE Authentication

Sign-In With Ethereum proves agent identity cryptographically, with no passwords required.

CLI as Agent Tool

The a2a-wallet CLI is designed for AI agents to call directly, enabling fully automated signing workflows.