RAG MCP Server

// src/tools/graph/delete-relations.ts // Outil: delete_relations - Supprimer des relations entre entités import { knowledgeGraphManager } from "../../knowledge-graph/manager.js"; /** * Définition de l'outil delete_relations */ export const deleteRelationsTool = { name: "delete_relations", description: "Delete multiple relations from the knowledge graph", inputSchema: { type: "object", properties: { relations: { type: "array", items: { type: "object", properties: { from: { type: "string", description: "The name of the entity where the relation starts" }, to: { type: "string", description: "The name of the entity where the relation ends" }, relationType: { type: "string", description: "The type of the relation" }, }, required: ["from", "to", "relationType"], }, description: "An array of relations to delete" }, }, required: ["relations"], }, }; /** * Handler pour l'outil delete_relations */ export const deleteRelationsHandler = async (args) => { if (!args.relations || !Array.isArray(args.relations)) { throw new Error("The 'relations' parameter is required and must be an array"); } // Valider chaque relation for (const relation of args.relations) { if (!relation.from || typeof relation.from !== 'string') { throw new Error("Each relation must have a 'from' string property"); } if (!relation.to || typeof relation.to !== 'string') { throw new Error("Each relation must have a 'to' string property"); } if (!relation.relationType || typeof relation.relationType !== 'string') { throw new Error("Each relation must have a 'relationType' string property"); } } try { await knowledgeGraphManager.deleteRelations(args.relations); return { content: [{ type: "text", text: "Relations deleted successfully" }] }; } catch (error) { console.error("Error in delete_relations tool:", error); throw error; } }; /** * Fonction utilitaire pour supprimer une relation */ export async function deleteRelation(from, to, relationType) { return deleteRelationsHandler({ relations: [{ from, to, relationType }] }); } /** * Test de l'outil (pour usage en développement) */ export async function testDeleteRelations() { console.log("Testing delete_relations tool..."); const entity1 = "Test Entity A for Relations"; const entity2 = "Test Entity B for Relations"; const relationType = "TEST_RELATION"; try { // Créer les entités await knowledgeGraphManager.createEntities([ { name: entity1, entityType: "Test", observations: ["Entity A for relation test"] }, { name: entity2, entityType: "Test", observations: ["Entity B for relation test"] } ]); // Créer une relation await knowledgeGraphManager.createRelations([{ from: entity1, to: entity2, relationType: relationType }]); console.log(`✅ Created test entities and relation`); // Supprimer la relation const result = await deleteRelationsHandler({ relations: [{ from: entity1, to: entity2, relationType: relationType }] }); console.log("✅ Test passed:", result); return result; } catch (error) { console.error("❌ Test failed:", error); throw error; } }