MCP Memory Server - HTTP Streaming

import { Tool } from "@modelcontextprotocol/sdk/types.js"; export const MEMORY_TOOLS: Tool[] = [ { name: "create_entities", description: "Create multiple new entities in the knowledge graph", inputSchema: { type: "object", properties: { entities: { type: "array", items: { type: "object", properties: { name: { type: "string", description: "The name of the entity" }, entityType: { type: "string", description: "The type of the entity" }, observations: { type: "array", items: { type: "string" }, description: "An array of observation contents associated with the entity" }, }, required: ["name", "entityType", "observations"], }, }, }, required: ["entities"], }, }, { name: "create_relations", description: "Create multiple new relations between entities in the knowledge graph. Relations should be in active voice", 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"], }, }, }, required: ["relations"], }, }, { name: "add_observations", description: "Add new observations to existing entities in the knowledge graph", inputSchema: { type: "object", properties: { observations: { type: "array", items: { type: "object", properties: { entityName: { type: "string", description: "The name of the entity to add the observations to" }, contents: { type: "array", items: { type: "string" }, description: "An array of observation contents to add" }, }, required: ["entityName", "contents"], }, }, }, required: ["observations"], }, }, { name: "delete_entities", description: "Delete multiple entities and their associated relations from the knowledge graph", inputSchema: { type: "object", properties: { entityNames: { type: "array", items: { type: "string" }, description: "An array of entity names to delete" }, }, required: ["entityNames"], }, }, { name: "delete_observations", description: "Delete specific observations from entities in the knowledge graph", inputSchema: { type: "object", properties: { deletions: { type: "array", items: { type: "object", properties: { entityName: { type: "string", description: "The name of the entity containing the observations" }, observations: { type: "array", items: { type: "string" }, description: "An array of observations to delete" }, }, required: ["entityName", "observations"], }, }, }, required: ["deletions"], }, }, { 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"], }, }, { name: "read_graph", description: "Read the entire knowledge graph", inputSchema: { type: "object", properties: {}, }, }, { name: "search_nodes", description: "Search for nodes in the knowledge graph based on a query", inputSchema: { type: "object", properties: { query: { type: "string", description: "The search query to match against entity names, types, and observation content" }, }, required: ["query"], }, }, { name: "open_nodes", description: "Open specific nodes in the knowledge graph by their names", inputSchema: { type: "object", properties: { names: { type: "array", items: { type: "string" }, description: "An array of entity names to retrieve", }, }, required: ["names"], }, }, ];