This is a MCP server for manipulating harmonyOS Device.
demo.mp4
- Clone this repo
git clone https://github.com/XixianLiang/HarmonyOS-mcp-server.git
cd HarmonyOS-mcp-server- Setup the envirnment.
uv python install 3.13
uv syncYou can use Claude Desktop to try our tool.
You can also use openai-agents SDK to try the mcp server. Here's an example
"""
Example: Use Openai-agents SDK to call HarmonyOS-mcp-server
"""
import asyncio
import os
from agents import Agent, Runner, gen_trace_id, trace
from agents.mcp import MCPServerStdio, MCPServer
async def run(mcp_server: MCPServer):
agent = Agent(
name="Assistant",
instructions="Use the tools to manipulate the HarmonyOS device and finish the task.",
mcp_servers=[mcp_server],
)
message = "Launch the app `settings` on the phone"
print(f"Running: {message}")
result = await Runner.run(starting_agent=agent, input=message)
print(result.final_output)
async def main():
# Use async context manager to initialize the server
async with MCPServerStdio(
params={
"command": "<...>/bin/uv",
"args": [
"--directory",
"<...>/harmonyos-mcp-server",
"run",
"server.py"
]
}
) as server:
trace_id = gen_trace_id()
with trace(workflow_name="MCP HarmonyOS", trace_id=trace_id):
print(f"View trace: https://platform.openai.com/traces/trace?trace_id={trace_id}\n")
await run(server)
if __name__ == "__main__":
asyncio.run(main())You can use LangGraph, a flexible LLM agent framework to design your workflows. Here's an example
"""
langgraph_mcp.py
"""
server_params = StdioServerParameters(
command="/home/chad/.local/bin/uv",
args=["--directory",
".",
"run",
"server.py"],
)
#This fucntion would use langgraph to build your own agent workflow
async def create_graph(session):
llm = ChatOllama(model="qwen2.5:7b", temperature=0)
#!!!load_mcp_tools is a langchain package function that integrates the mcp into langchain.
#!!!bind_tools fuction enable your llm to access your mcp tools
tools = await load_mcp_tools(session)
llm_with_tool = llm.bind_tools(tools)
system_prompt = await load_mcp_prompt(session, "system_prompt")
prompt_template = ChatPromptTemplate.from_messages([
("system", system_prompt[0].content),
MessagesPlaceholder("messages")
])
chat_llm = prompt_template | llm_with_tool
# State Management
class State(TypedDict):
messages: Annotated[List[AnyMessage], add_messages]
# Nodes
def chat_node(state: State) -> State:
state["messages"] = chat_llm.invoke({"messages": state["messages"]})
return state
# Building the graph
# graph is like a workflow of your agent.
#If you want to know more langgraph basic,reference this link (https://langchain-ai.github.io/langgraph/tutorials/get-started/1-build-basic-chatbot/#3-add-a-node)
graph_builder = StateGraph(State)
graph_builder.add_node("chat_node", chat_node)
graph_builder.add_node("tool_node", ToolNode(tools=tools))
graph_builder.add_edge(START, "chat_node")
graph_builder.add_conditional_edges("chat_node", tools_condition, {"tools": "tool_node", "__end__": END})
graph_builder.add_edge("tool_node", "chat_node")
graph = graph_builder.compile(checkpointer=MemorySaver())
return graph
async def main():
async with stdio_client(server_params) as (read, write):
async with ClientSession(read, write) as session:
await session.initialize()
config = RunnableConfig(thread_id=1234,recursion_limit=15)
# Use the MCP Server in the graph
agent = await create_graph(session)
while True:
message = input("User: ")
try:
response = await agent.ainvoke({"messages": message}, config=config)
print("AI: "+response["messages"][-1].content)
except RecursionError:
result = None
logging.error("Graph recursion limit reached.")
if __name__ == "__main__":
asyncio.run(main())Write the system prompt in server.py
"""
server.py
"""
@mcp.prompt()
def system_prompt() -> str:
"""System prompt description"""
return """
You are an AI assistant use the tools if needed.
"""Use load_mcp_prompt function to get your prompt from mcp server.
"""
langgraph_mcp.py
"""
prompts = await load_mcp_prompt(session, "system_prompt")