feat: add mcp-ui to server package

Author: pietrozullo

packages/mcp-use/package.json

@@ -116,6 +116,7 @@
     "@langchain/anthropic": "^0.3.26",
     "@langchain/core": "^0.3.72",
     "@langchain/openai": "^0.6.9",
+    "@mcp-ui/server": "^5.11.0",
     "@modelcontextprotocol/sdk": "1.12.1",
     "@scarf/scarf": "^1.4.0",
     "ai": "^4.3.19",

packages/mcp-use/src/server/types.ts

@@ -1,5 +1,5 @@
 // Removed unused import
-
+import type {UIResource} from '@mcp-ui/server'
 export interface ServerConfig {
   name: string
   version: string
@@ -46,5 +46,5 @@ export interface PromptDefinition {
 
 export type ResourceHandler = () => Promise<string>
 export type TemplateHandler = (params: Record<string, string>) => Promise<string>
-export type ToolHandler = (params: Record<string, any>) => Promise<string>
+export type ToolHandler = (params: Record<string, any>) => Promise<string| UIResource>
 export type PromptHandler = (params: Record<string, any>) => Promise<string>