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by ruliana • Uncategorized
A composable middleware framework for building MCP server chains that transform requests and responses using Python functions.
Add authentication and logging middleware to existing MCP servers without modifying them.
Transform requests and responses dynamically in an MCP server chain.
Orchestrate multiple MCP calls behind the scenes to perform complex multi-step tasks.
MCP Chain enables developers to create transparent proxy middleware layers that sit between MCP clients and servers, allowing for authentication, logging, request transformation, and orchestration of multiple MCP calls without modifying existing servers. It uses a functional middleware pattern with zero overhead and dict-based processing, making it highly composable and efficient. Built on the official FastMCP SDK, it ensures full MCP protocol compliance and supports easy CLI integration and programmatic usage.