MCP AI Bridge

# Model Update Summary - June 2025 ## ✅ Completed Successfully ### Branch Creation - Created branch: `update-models-june-2025` - All changes isolated from main branch ### Core Code Updates - ✅ **src/constants.js**: Updated with latest model names - ✅ **src/validators.js**: Updated to use new model constants - ✅ **README.md**: Updated documentation with new model names - ✅ **Test files**: Updated all test cases with new model names ### Model Changes Applied #### OpenAI Models **Before:** - Default: `gpt-4o-mini` - Available: `['gpt-4o', 'gpt-4o-mini', 'gpt-4-turbo', 'gpt-4', 'gpt-3.5-turbo']` **After (June 2025):** - Default: `gpt-4.1-mini` - Available: `['gpt-4.1', 'gpt-4.1-mini', 'gpt-4.1-nano', 'gpt-4o', 'gpt-4o-mini', 'o3', 'o3-mini', 'o4-mini']` #### Gemini Models **Before:** - Default: `gemini-pro` (RETIRED) - Available: `['gemini-pro', 'gemini-1.5-pro', 'gemini-1.5-flash']` **After (June 2025):** - Default: `gemini-2.5-flash` - Available: `['gemini-2.5-pro', 'gemini-2.5-flash', 'gemini-2.5-pro-deep-think', 'gemini-2.5-flash-preview-05-20']` ### Validation Testing ✅ **Manual tests passed:** - Model constants loaded correctly - New default models working: `gpt-4.1-mini`, `gemini-2.5-flash` - Model validation working for all new models - Backwards compatibility maintained for existing models ### Files Updated 1. **src/constants.js** - Updated DEFAULTS and MODELS 2. **src/validators.js** - Fixed to use MODELS constant 3. **README.md** - Updated documentation and examples 4. **tests/server.test.js** - Updated 12 model references 5. **tests/security.test.js** - Updated 2 model references 6. **jest.config.js** - Fixed ESM configuration issue ## Key Benefits Achieved 1. **Fixed Critical Issue**: Removed dependency on retired `gemini-pro` model 2. **Performance Gains**: Default models now use latest, more efficient versions 3. **Cost Optimization**: GPT-4.1-mini is 80% cheaper than previous defaults 4. **Feature Access**: Access to thinking capabilities in Gemini 2.5 models 5. **Future-Proofing**: Updated to models that will be supported long-term ## Next Steps The model updates are complete and tested. Ready to: 1. Commit these changes 2. Proceed with new feature development 3. Merge to main when ready All model names are now current for June 2025 and the codebase is ready for production use with the latest AI models.