Decent-Sampler Drums MCP Server

import { VelocityLayer } from './drum-kit-types.js'; export interface BasicDrumKitConfig { globalSettings: { velocityLayers?: VelocityLayer[]; }; drumPieces: { name: string; rootNote: number; samples: { path: string; volume?: string; }[]; }[]; } // Type guard for BasicDrumKitConfig export function isBasicDrumKitConfig(obj: unknown): obj is BasicDrumKitConfig { if (!obj || typeof obj !== 'object') return false; const config = obj as Partial<BasicDrumKitConfig>; // Check globalSettings and ensure no advanced features if (!config.globalSettings || typeof config.globalSettings !== 'object') { return false; } // Check for advanced features in globalSettings const globalSettings = config.globalSettings as any; if ( globalSettings.drumControls !== undefined || globalSettings.roundRobin !== undefined || globalSettings.micBuses !== undefined ) { return false; } // Validate velocity layers if they exist if (config.globalSettings.velocityLayers !== undefined) { if (!Array.isArray(config.globalSettings.velocityLayers)) { return false; } if (!config.globalSettings.velocityLayers.every(layer => layer && typeof layer === 'object' && typeof layer.low === 'number' && typeof layer.high === 'number' && typeof layer.name === 'string' )) { return false; } } // Check drumPieces if (!Array.isArray(config.drumPieces)) { return false; } return config.drumPieces.every(piece => piece && typeof piece === 'object' && typeof piece.name === 'string' && typeof piece.rootNote === 'number' && Array.isArray(piece.samples) && piece.samples.every(sample => { if (!sample || typeof sample !== 'object' || typeof sample.path !== 'string') { return false; } // Optional volume validation if (sample.volume !== undefined && typeof sample.volume !== 'string') { return false; } // Check for advanced sample features const sampleObj = sample as any; if ( sampleObj.seqPosition !== undefined || sampleObj.micConfig !== undefined ) { return false; } return true; }) && // Check for advanced drum piece features !(piece as any).muting ); } // Helper function to create a basic drum kit configuration export function createBasicDrumKit(config: BasicDrumKitConfig): BasicDrumKitConfig { // Validate the configuration before returning if (!isBasicDrumKitConfig(config)) { throw new Error('Invalid basic drum kit configuration'); } return config; }