Kroger MCP Server

# Changelog All notable changes to the `kroger-mcp` package will be documented in this file. The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/), and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html). ## [0.2.0] - 2025-05-28 ### Added - **MCP-Compatible Authentication Flow**: Implemented a new authentication flow designed for MCP environments - New `start_authentication` tool to begin the OAuth flow - New `complete_authentication` tool to finish the OAuth flow with a redirect URL - Better error handling and messaging for authentication issues ### Changed - **PKCE Support**: Updated to use the Proof Key for Code Exchange (PKCE) extension for enhanced OAuth security - **Updated Dependencies**: Now requires kroger-api >= 0.2.0 for PKCE support - **Improved Error Messaging**: Better error messages for authentication issues ### Removed - **Browser-Based Authentication**: Removed the automatic browser-opening authentication flow, replaced with MCP-compatible flow ### Security - Enhanced OAuth security with PKCE support, mitigating authorization code interception attacks ## [0.1.0] - 2025-05-23 ### Added - Initial release of the Kroger MCP server - Support for FastMCP tools to interact with the Kroger API - Location search and management - Product search and details - Cart management with local tracking - Chain and department information - User profile and authentication