HUMMBL MCP Server

## Description <!-- Provide a brief description of the changes in this PR --> ## Type of Change - [ ] Bug fix (non-breaking change which fixes an issue) - [ ] New feature (non-breaking change which adds functionality) - [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected) - [ ] Documentation update - [ ] Code refactoring - [ ] Performance improvement - [ ] Test coverage improvement ## Related Issue <!-- Link to the issue this PR addresses --> Fixes #(issue number) ## Changes Made <!-- List the main changes made in this PR --> - - - ## Testing <!-- Describe the tests you ran to verify your changes --> - [ ] All existing tests pass (`npm test`) - [ ] Added new tests for the changes - [ ] Tested with Claude Desktop (or other MCP client) - [ ] Verified backward compatibility ## Checklist - [ ] My code follows the style guidelines of this project - [ ] I have performed a self-review of my code - [ ] I have commented my code, particularly in hard-to-understand areas - [ ] I have made corresponding changes to the documentation - [ ] My changes generate no new warnings or errors - [ ] I have added tests that prove my fix is effective or that my feature works - [ ] New and existing unit tests pass locally with my changes - [ ] Any dependent changes have been merged and published ## Screenshots (if applicable) <!-- Add screenshots to help explain your changes --> ## Additional Notes <!-- Add any other context about the PR here -->