Claude Memory MCP Server

/** * Memory forget tool - Soft delete memories */ import type { DbDriver } from '../database/db-driver.js'; import type { ForgetResponse } from '../types/index.js'; import { now, generateId, serializeMetadata } from '../database/connection.js'; import { ValidationError } from '../types/index.js'; /** * Forget (soft delete) a memory */ export async function memoryForget( db: DbDriver, id: string, reason?: string ): Promise<ForgetResponse> { // Check if memory exists const existing = db .prepare('SELECT id FROM memories WHERE id = ? AND is_deleted = 0') .get(id) as { id: string } | undefined; if (!existing) { throw new ValidationError(`Memory ${id} not found or already deleted`); } // Soft delete (mark as deleted) const currentTime = now(); db.prepare('UPDATE memories SET is_deleted = 1 WHERE id = ?').run(id); // Create provenance record const provenanceId = generateId('prov'); db.prepare( ` INSERT INTO provenance ( id, memory_id, operation, timestamp, source, context, user_id, changes ) VALUES (?, ?, ?, ?, ?, ?, ?, ?) ` ).run( provenanceId, id, 'delete', currentTime, 'user', reason || 'User requested deletion', null, serializeMetadata({ soft_delete: true }) ); const response: ForgetResponse = { success: true, memory_id: id, message: `Memory soft-deleted successfully. Reason: ${reason || 'Not specified'}`, }; return response; }