---
title: server
sidebarTitle: server
---

# `fastmcp.server.openapi.server`


FastMCPOpenAPI - backwards compatibility wrapper.

This class is deprecated. Use FastMCP with OpenAPIProvider instead:

    from fastmcp import FastMCP
    from fastmcp.server.providers.openapi import OpenAPIProvider
    import httpx

    client = httpx.AsyncClient(base_url="https://api.example.com")
    provider = OpenAPIProvider(openapi_spec=spec, client=client)
    mcp = FastMCP("My API Server", providers=[provider])


## Classes

### `FastMCPOpenAPI` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/src/fastmcp/server/openapi/server.py#L31" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>


FastMCP server implementation that creates components from an OpenAPI schema.

.. deprecated::
    Use FastMCP with OpenAPIProvider instead. This class will be
    removed in a future version.

Example (deprecated):
    ```python
    from fastmcp.server.openapi import FastMCPOpenAPI
    import httpx

    server = FastMCPOpenAPI(
        openapi_spec=spec,
        client=httpx.AsyncClient(),
    )
    ```

