Merge pull request #90 from UiPath/fix/simple_remote_agent_sample

samples: update simple remote agent

Author: cristipufu

samples/simple-remote-mcp/main.py

@@ -1,27 +1,25 @@
+import dotenv
+import os
 from contextlib import asynccontextmanager
-from langchain_mcp_adapters.client import MultiServerMCPClient
 from langgraph.prebuilt import create_react_agent
 from langchain_anthropic import ChatAnthropic
-import dotenv
-import os
+from langchain_mcp_adapters.tools import load_mcp_tools
+from mcp import ClientSession
+from mcp.client.sse import sse_client
 
 dotenv.load_dotenv()
 
-
 @asynccontextmanager
 async def make_graph():
-    async with MultiServerMCPClient() as client:
-        await client.connect_to_server_via_sse(
-            server_name="hello-world-server",
-            url=os.getenv("UIPATH_MCP_SERVER_URL"),
-            headers={
-                "Authorization": f"Bearer {os.getenv('UIPATH_ACCESS_TOKEN')}"
-                },
-            timeout=60,
-        )
-
-        tools = client.get_tools()
-        print(tools)
-        model = ChatAnthropic(model="claude-3-5-sonnet-latest")
-        graph = create_react_agent(model, tools=tools)
-        yield graph
+    async with sse_client(
+        url=os.getenv("UIPATH_MCP_SERVER_URL"),
+        headers={"Authorization": f"Bearer {os.getenv('UIPATH_ACCESS_TOKEN')}"},
+        timeout=60,
+    ) as (read, write):
+        async with ClientSession(read, write) as session:
+            await session.initialize()
+            tools = await load_mcp_tools(session)
+            print(tools)
+            model = ChatAnthropic(model="claude-3-5-sonnet-latest")
+            agent = create_react_agent(model, tools=tools)
+            yield agent

samples/simple-remote-mcp/pyproject.toml

@@ -4,13 +4,12 @@ version = "0.0.1"
 description = "simple-remote-mcp"
 authors = [{ name = "John Doe", email = "john.doe@myemail.com" }]
 dependencies = [
-    "uipath-langchain==0.0.100",
-    "langchain>=0.1.0",
-    "langchain-anthropic>=0.0.1",
-    "langgraph>=0.3.21",
+    "uipath-langchain==0.0.110",
+    "langchain>=0.3.25",
+    "langchain-anthropic>=0.3.13",
+    "langgraph>=0.4.5",
     "python-dotenv>=1.0.0",
-    "requests>=2.31.0",
-    "anthropic>=0.8.0",
-    "langchain-mcp-adapters>=0.0.3"
+    "anthropic>=0.51.0",
+    "langchain-mcp-adapters>=0.1.0"
 ]
 requires-python = ">=3.10"