【Memory Leak】Under pressure testing, there will be a memory leak until OOM (Out of Memory) occurs. #941
Description
Description
Server code:
from fastmcp import FastMCP
mcp = FastMCP("My MCP Server")
@mcp.tool
def greet(name: str) -> str:
return f"Hello, {name}!"
if __name__ == "__main__":
mcp.run(transport="streamable-http")
Client code（with a while loop）:
import asyncio
from fastmcp import FastMCP, Client
async def call_tool(name: str):
async with Client("http://127.0.0.1:8000/mcp") as client:
result = await client.call_tool("greet", {"name": name})
print(result)
while True:
asyncio.run(call_tool("Bob"))
Issue
Memory will keep increasing until OOM (Out Of Memory) occurs.
Example Code
see aboveVersion Information
fastmcp version is 2.9.0
Additional Context
No response