Zerion MCP Server

# Changelog All notable changes to this project 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). ## [Unreleased] ### Added - **Configuration System**: YAML-based configuration with environment variable overrides - ConfigManager class for flexible configuration loading - Support for config.yaml files with ${VAR} substitution - Environment variables: ZERION_API_KEY, ZERION_BASE_URL, LOG_LEVEL, etc. - Example configuration file (config.example.yaml) - **Logging Infrastructure**: Structured logging with multiple formats - JSON and text log formats - Configurable log levels (DEBUG, INFO, WARN, ERROR) - Automatic sensitive data redaction (API keys, Bearer tokens) - Request/response logging with timing metrics - Performance logging for operations - **Error Handling**: Comprehensive custom exception hierarchy - ConfigError for configuration issues - NetworkError for connectivity problems - APIError for Zerion API failures with status code handling - ValidationError for data validation issues - Detailed error contexts and troubleshooting hints - **Testing Infrastructure**: Full test suite with pytest - Unit tests for configuration (test_config.py) - Unit tests for error handling (test_errors.py) - Integration tests for server flow (test_integration.py) - Test fixtures and mocks (conftest.py) - Coverage reporting configuration - Development dependencies in pyproject.toml - **Documentation**: Comprehensive project documentation - Detailed README with installation, configuration, and usage - Troubleshooting guide with common issues and solutions - Architecture diagram - Contributing guidelines - This CHANGELOG ### Changed - **Server Initialization**: Enhanced error handling during startup - Better error messages for missing API keys - Detailed logging of initialization steps - Graceful handling of OpenAPI spec loading failures - **HTTP Client**: Improved configuration - Configurable timeouts (30 seconds default) - Better exception handling for network errors - Status code validation with raise_for_status() ### Fixed - None (initial production-ready release) ## [0.1.0] - Initial Release ### Added - Basic MCP server functionality - FastMCP integration with OpenAPI spec - Zerion API proxy via MCP protocol - httpx async HTTP client - Basic package structure [Unreleased]: https://github.com/SAK1337/myzerionmcp/compare/v0.1.0...HEAD [0.1.0]: https://github.com/SAK1337/myzerionmcp/releases/tag/v0.1.0