Glean MCP Server

## Description <!-- Provide a brief summary of the changes in this pull request --> ## Related Issue <!-- Link to the issue this PR addresses using the syntax: Fixes #issue_number --> Fixes # ## Motivation and Context <!-- Why is this change required? What problem does it solve? --> ## Type of Change <!-- Please check the options that are relevant --> - [ ] 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 - [ ] Build/CI pipeline changes - [ ] Other (please describe): ## How Has This Been Tested? <!-- Please describe the tests you've added or the tests that verify this change works correctly --> - [ ] Unit tests - [ ] Integration tests - [ ] Manual testing - [ ] Other (please describe): ## Checklist <!-- Please check all that apply --> - [ ] My code follows the code style of this project - [ ] I have updated the documentation accordingly - [ ] I have added tests to cover my changes - [ ] I have checked for potential breaking changes and addressed them ## Screenshots (if appropriate) <!-- Add screenshots to help explain your changes --> ## Additional Notes <!-- Any other information that is important to this PR -->