fix: github agent

Author: cristipufu

samples/github-helper-agent/README.md

@@ -1,13 +1,12 @@
 # LangGraph GitHub Helper Agent with Claude and GitHub MCP Server
 
-This project demonstrates how to create a GitHub Helper Agent using LangGraph with Claude 3.5 Sonnet which connects to the GitHub MCP Server.
+This project demonstrates how to create a GitHub Helper Agent using LangGraph with UiPathAzureChatOpenAI which connects to the official GitHub MCP Server deployed to UiPath.
 
 ## Overview
 
 The agent uses:
-- Claude 3.5 Sonnet as the language model
 - LangGraph for orchestration
-- Connects to a GitHub Remote MCP server via SSE
+- Connects to a UiPath hosted GitHub MCP server via SSE
 
 ## Architecture
 
@@ -20,19 +19,30 @@ config:
 graph TD;
 	__start__([<p>__start__</p>]):::first
 	hydrate_history(hydrate_history)
-	__end__([<p>__end__</p>]):::last
+	__end__(<p>__end__</p>)
 	__start__ --> hydrate_history;
-	agent___end__ --> __end__;
-	hydrate_history --> agent___start__;
-	subgraph agent
-	agent___start__(<p>__start__</p>)
-	agent_agent(agent)
-	agent_tools(tools)
-	agent___end__(<p>__end__</p>)
-	agent___start__ --> agent_agent;
-	agent_tools --> agent_agent;
-	agent_agent -.-> agent_tools;
-	agent_agent -.-> agent___end__;
+	hydrate_history -.-> developer_node___start__;
+	hydrate_history -.-> reviewer_node___start__;
+	hydrate_history -.-> __end__;
+	subgraph reviewer_node
+	reviewer_node___start__(<p>__start__</p>)
+	reviewer_node_agent(agent)
+	reviewer_node_tools(tools)
+	reviewer_node___end__(<p>__end__</p>)
+	reviewer_node___start__ --> reviewer_node_agent;
+	reviewer_node_tools --> reviewer_node_agent;
+	reviewer_node_agent -.-> reviewer_node_tools;
+	reviewer_node_agent -.-> reviewer_node___end__;
+	end
+	subgraph developer_node
+	developer_node___start__(<p>__start__</p>)
+	developer_node_agent(agent)
+	developer_node_tools(tools)
+	developer_node___end__(<p>__end__</p>)
+	developer_node___start__ --> developer_node_agent;
+	developer_node_tools --> developer_node_agent;
+	developer_node_agent -.-> developer_node_tools;
+	developer_node_agent -.-> developer_node___end__;
 	end
 	classDef default fill:#f2f0ff,line-height:1.2
 	classDef first fill-opacity:0
@@ -42,10 +52,9 @@ graph TD;
 ## Prerequisites
 
 - Python 3.10+
-- `langchain-anthropic`
 - `langchain-mcp-adapters`
 - `langgraph`
-- Anthropic API key set as an environment variable
+- `uipath-langchain`
 
 ## Installation
 
@@ -55,10 +64,9 @@ uv venv -p 3.11 .venv
 uv sync
 ```
 
-Set your API keys and MCP Remote Server URL as environment variables in .env
+Set your MCP Remote Server URL as environment variables in .env
 
 ```bash
-ANTHROPIC_API_KEY=your_anthropic_api_key
 UIPATH_MCP_SERVER_URL=https://cloud.uipath.com/account/tenant/mcp_/mcp/folder-key/github-mcp/sse
 ```
 

samples/github-helper-agent/agent.mermaid

@@ -6,19 +6,30 @@ config:
 graph TD;
 	__start__([<p>__start__</p>]):::first
 	hydrate_history(hydrate_history)
-	__end__([<p>__end__</p>]):::last
+	__end__(<p>__end__</p>)
 	__start__ --> hydrate_history;
-	agent___end__ --> __end__;
-	hydrate_history --> agent___start__;
-	subgraph agent
-	agent___start__(<p>__start__</p>)
-	agent_agent(agent)
-	agent_tools(tools)
-	agent___end__(<p>__end__</p>)
-	agent___start__ --> agent_agent;
-	agent_tools --> agent_agent;
-	agent_agent -.-> agent_tools;
-	agent_agent -.-> agent___end__;
+	hydrate_history -.-> developer_node___start__;
+	hydrate_history -.-> reviewer_node___start__;
+	hydrate_history -.-> __end__;
+	subgraph reviewer_node
+	reviewer_node___start__(<p>__start__</p>)
+	reviewer_node_agent(agent)
+	reviewer_node_tools(tools)
+	reviewer_node___end__(<p>__end__</p>)
+	reviewer_node___start__ --> reviewer_node_agent;
+	reviewer_node_tools --> reviewer_node_agent;
+	reviewer_node_agent -.-> reviewer_node_tools;
+	reviewer_node_agent -.-> reviewer_node___end__;
+	end
+	subgraph developer_node
+	developer_node___start__(<p>__start__</p>)
+	developer_node_agent(agent)
+	developer_node_tools(tools)
+	developer_node___end__(<p>__end__</p>)
+	developer_node___start__ --> developer_node_agent;
+	developer_node_tools --> developer_node_agent;
+	developer_node_agent -.-> developer_node_tools;
+	developer_node_agent -.-> developer_node___end__;
 	end
 	classDef default fill:#f2f0ff,line-height:1.2
 	classDef first fill-opacity:0