ATXP SDK Overview
The ATXP SDK is distributed as a modular collection of packages designed to integrate payment processing and authentication capabilities into Model Context Protocol (MCP) applications. The SDK is distributed as a modular collection of packages, allowing developers to use only the components they need for their specific use cases.Packages
The ATXP SDK is organized into several specialized packages, each serving a distinct purpose:@atxp/client
Client-side integration for MCP clients with OAuth authentication and payment processing capabilities.
@atxp/express
Server-side middleware for MCP servers with per-tool call payment processing and Express.js integration.
@atxp/base
Base integration for using ATXP within Base Mini Apps and with Base accounts.
@atxp/common
Shared utilities and types providing common functionality across all ATXP SDK packages.