Add mount_path support for proper SSE endpoint routing with multiple FastMCP servers#540

ihrpr merged 17 commits into

modelcontextprotocol:mainmodelcontextprotocol/python-sdk:mainfrom

tim-watcha:fix/sse-server-message-pathtim-watcha/mcp-python-sdk:fix/sse-server-message-pathCopy head branch name to clipboard