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League Loom an MCP Server for ESPN/Sleeper/Fantrax in ChatGPT/Claude

League Loom is an MCP (Model Context Protocol) server that connects fantasy sports platforms like ESPN, Sleeper, and Fantrax with AI assistants like ChatGPT and Claude. It allows users to access and manage their fantasy sports leagues directly through conversational AI interfaces.

Background

League Loom is a new MCP (Model Context Protocol) server that connects AI assistants like ChatGPT and Claude to fantasy sports league data from platforms ESPN, Sleeper, and Fantrax. MCP is an open protocol developed by Anthropic that lets AI models read data from external tools and services — think of it as a standardized "plug" for AI apps. This means users can ask an AI questions about their fantasy teams (e.g., waiver wire suggestions, trade analysis, standings) in plain English and get answers drawn from live league data, without manually logging into each platform. It's aimed at fantasy sports enthusiasts who already use AI tools and want a more integrated experience.