Merge pull request #130 from UiPath/fix/update_samples_streamable_http

chore: update sample agents with streamable http

Author: cristipufu

samples/github-helper-agent/README.md

@@ -80,7 +80,7 @@ uv sync
 Set your MCP Remote Server URL as environment variables in `.env`:
 
 ```bash
-UIPATH_MCP_SERVER_URL=https://cloud.uipath.com/account/tenant/agenthub_/mcp/folder-key/github-mcp/sse
+UIPATH_MCP_SERVER_URL=https://cloud.uipath.com/account/tenant/agenthub_/mcp/folder-key/github-mcp/
 ```
 
 ## Debugging

samples/github-helper-agent/main.py

@@ -11,7 +11,7 @@
 from langgraph.prebuilt import create_react_agent
 from langgraph.prebuilt.chat_agent_executor import AgentState
 from mcp import ClientSession
-from mcp.client.sse import sse_client
+from mcp.client.streamable_http import streamablehttp_client
 from pydantic import BaseModel, Field
 from uipath_langchain.chat.models import UiPathAzureChatOpenAI
 
@@ -96,11 +96,11 @@ def process_comment(comment) -> PullRequestComment:
 
 @asynccontextmanager
 async def make_graph():
-    async with sse_client(
+    async with streamablehttp_client(
         url=os.getenv("UIPATH_MCP_SERVER_URL"),
         headers={"Authorization": f"Bearer {os.getenv('UIPATH_ACCESS_TOKEN')}"},
         timeout=60,
-    ) as (read, write):
+    ) as (read, write, session_id_callback):
         async with ClientSession(read, write) as session:
             all_tools = await load_mcp_tools(session)
 

samples/github-helper-agent/pyproject.toml

@@ -5,7 +5,7 @@ description = "An automated agent that reviews GitHub pull requests and provides
 authors = [{ name = "Cristi Pufu", email = "[email protected]" }]
 dependencies = [
     "uipath-langchain>=0.0.118",
-    "langgraph>=0.3.34",
-    "langchain-mcp-adapters>=0.0.9"
+    "langgraph>=0.5.4",
+    "langchain-mcp-adapters>=0.1.9"
 ]
 requires-python = ">=3.11"

samples/github-helper-agent/uv.lock

@@ -6,7 +6,7 @@
 from langgraph.prebuilt import create_react_agent
 from langgraph.prebuilt.chat_agent_executor import AgentState
 from mcp import ClientSession
-from mcp.client.sse import sse_client
+from mcp.client.streamable_http import streamablehttp_client
 from uipath_langchain.chat.models import UiPathAzureChatOpenAI
 
 dotenv.load_dotenv()
@@ -20,19 +20,19 @@
 
 @asynccontextmanager
 async def make_graph():
-    async with sse_client(
+    async with streamablehttp_client(
         url=GITHUB_MCP_SERVER_URL,
         headers={"Authorization": f"Bearer {UIPATH_ACCESS_TOKEN}"},
         timeout=60,
-    ) as (git_read, git_write):
+    ) as (git_read, git_write, git_session_id_callback):
         async with ClientSession(git_read, git_write) as git_session:
             all_github_tools = await load_mcp_tools(git_session)
 
-            async with sse_client(
+            async with streamablehttp_client(
                 url=SLACK_MCP_SERVER_URL,
                 headers={"Authorization": f"Bearer {UIPATH_ACCESS_TOKEN}"},
                 timeout=60,
-            ) as (slack_read, slack_write):
+            ) as (slack_read, slack_write, slack_session_id_callback):
                 async with ClientSession(slack_read, slack_write) as slack_session:
                     all_slack_tools = await load_mcp_tools(slack_session)
 

samples/github-slack-agent/main.py

@@ -5,7 +5,7 @@ description = "An automated agent that reviews GitHub pull requests and provides
 authors = [{ name = "Cristi Pufu", email = "[email protected]" }]
 dependencies = [
     "uipath-langchain>=0.0.118",
-    "langgraph>=0.3.34",
-    "langchain-mcp-adapters>=0.0.9"
+    "langgraph>=0.5.4",
+    "langchain-mcp-adapters>=0.1.9"
 ]
 requires-python = ">=3.11"

samples/github-slack-agent/pyproject.toml

@@ -8,7 +8,7 @@
 from langgraph.prebuilt import create_react_agent
 from langgraph.prebuilt.chat_agent_executor import AgentState
 from mcp import ClientSession
-from mcp.client.sse import sse_client
+from mcp.client.streamable_http import streamablehttp_client
 from pydantic import BaseModel
 from uipath_langchain.chat.models import UiPathAzureChatOpenAI
 
@@ -51,11 +51,11 @@ class GraphState(AgentState):
 
 @asynccontextmanager
 async def make_graph():
-    async with sse_client(
+    async with streamablehttp_client(
         url=FUNCTIONS_MCP_SERVER_URL,
         headers={"Authorization": f"Bearer {UIPATH_ACCESS_TOKEN}"},
         timeout=60,
-    ) as (read, write):
+    ) as (read, write, session_id_callback):
         async with ClientSession(read, write) as session:
             await session.initialize()
             tools = await load_mcp_tools(session)

samples/github-slack-agent/uv.lock

@@ -5,7 +5,7 @@ description = "A coder agent that implements and tests Python functions using a
 authors = [{ name = "Cristi Pufu", email = "[email protected]" }]
 dependencies = [
     "uipath-langchain>=0.0.118",
-    "langgraph>=0.3.34",
-    "langchain-mcp-adapters>=0.0.9"
+    "langgraph>=0.5.4",
+    "langchain-mcp-adapters>=0.1.9"
 ]
 requires-python = ">=3.11"