--- title: __init__ sidebarTitle: __init__ --- # `fastmcp.server.transforms.search` Search transforms for tool discovery. Search transforms collapse a large tool catalog into a search interface, letting LLMs discover tools on demand instead of seeing the full list. Example: ```python from fastmcp import FastMCP from fastmcp.server.transforms.search import RegexSearchTransform mcp = FastMCP("Server") mcp.add_transform(RegexSearchTransform()) # list_tools now returns only search_tools + call_tool ```