Fantasy Premier League MCP Server

import time import asyncio from typing import List class RateLimiter: """ A simple rate limiter to prevent excessive requests to the FPL API. Tracks request times and enforces a maximum number of requests per time window. """ def __init__(self, max_requests: int = 20, per_seconds: int = 60): """ Initialize the rate limiter. Args: max_requests: Maximum number of requests allowed in the time window per_seconds: Time window in seconds """ self.request_times: List[float] = [] self.max_requests = max_requests self.time_window = per_seconds async def acquire(self) -> bool: """ Acquire permission to make a request. Blocks until a request can be made if the rate limit is reached. Returns: True when request permission is granted """ now = time.time() # Remove expired request timestamps self.request_times = [t for t in self.request_times if now - t < self.time_window] # If we've reached the limit, wait until we can make another request if len(self.request_times) >= self.max_requests: # Calculate how long to wait (time until oldest request expires) wait_time = self.time_window - (now - self.request_times[0]) await asyncio.sleep(max(0, wait_time)) # Recursively try again after waiting return await self.acquire() # Add current time to request times and allow the request self.request_times.append(time.time()) return True