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title: __init__
sidebarTitle: __init__
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# `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
    ```

