REAPER MCP Server

# DSL Bridge Implementation Summary ## Overview We've successfully implemented all 4 recommendations to fix the DSL bridge issue where DSL functions were missing from the main bridge script. ## What Was Done ### 1. Updated README with DSL Installation Requirements - Made it clear that DSL functions are required for the default `dsl-production` profile - Added two installation options with the bundled bridge as recommended - Added important note about reloading the bridge after installation - Added verification step using `check_bridge_version.py` ### 2. Added Startup Health Check - Created `server/dsl/health_check.py` that runs when using DSL profiles - Checks if critical DSL functions are available in the bridge - Displays helpful warning messages if functions are missing - Provides clear instructions for fixing the issue ### 3. Bundled DSL Functions into Main Bridge - Created `lua/mcp_bridge_file_v3_with_dsl.lua` with all DSL functions built-in - Created `scripts/create_v3_bridge.py` to automate the bundling process - Created `scripts/install_dsl_bridge.sh` for easy installation - The bundled file keeps the same name (`mcp_bridge_file_v2.lua`) to maintain compatibility ### 4. Added Integration Tests for Bridge Functions - Created `tests/test_dsl_bridge_functions.py` to verify DSL functions exist - Tests correctly detect when DSL functions are missing - Provides helpful error messages directing users to install the bundled bridge ### 5. Created Helper Scripts - `scripts/check_bridge_version.py` - Verifies which bridge version is running - `scripts/test_bridge_connection.py` - Tests bridge connectivity and functions - `scripts/reload_bridge_in_reaper.lua` - Can be used to reload bridge from within REAPER ## Current Status ✅ All implementation work is complete ✅ The bundled bridge has been installed to REAPER's Scripts directory ❌ REAPER is still running the old bridge (needs reload/restart) ## Test Results With the old bridge still running in REAPER: - DSL minimal tests: **8/8 passed** (don't require bridge) - DSL integration tests: **5/20 passed** (15 fail due to missing functions) - DSL bridge function tests: **3/4 passed** (1 fails detecting missing functions) This is expected behavior - the tests are correctly detecting that DSL functions are missing. ## Next Steps for User 1. **Reload the bridge in REAPER** (one of): - Restart REAPER - OR in REAPER: Actions → Show action list → Run "mcp_bridge_file_v2.lua" 2. **Verify the installation**: ```bash python scripts/check_bridge_version.py ``` Should show: "✅ Bridge version: v3 (with DSL) - DSL functions available" 3. **Run tests again** to confirm everything works: ```bash # Test DSL functions exist python -m pytest tests/test_dsl_bridge_functions.py -v # Test DSL integration python -m pytest tests/test_dsl_integration.py -v ``` ## Architecture Notes The bundled bridge approach is superior because: - No need for separate DSL function files - No patching required - Single file to maintain - Easier installation process - All functions guaranteed to be available The DSL functions add about 500 lines to the bridge but provide critical functionality for natural language control of REAPER.