# Tasks

- [x] 1. Add --exa-api-key CLI argument to argument parser
- [x] 2. Modify Exa API key verification logic to check CLI parameter first, then environment variable
- [x] 3. Update error messages to mention both configuration options
- [x] 4. Add test coverage for CLI parameter functionality
- [x] 5. Update help text and documentation to reflect new parameter
- [x] 6. Test both CLI parameter and environment variable methods work correctly