Refactor FastMCPProxy into ProxyProvider

src/fastmcp/client/transports.py

@@ -1016,7 +1016,7 @@ def __init__(self, config: MCPConfig | dict, name_as_prefix: bool = True):
             ):
                 self._underlying_transports.append(transport)
                 self._composite_server.mount(
-                    server, prefix=name if name_as_prefix else None
+                    server, namespace=name if name_as_prefix else None
                 )
 
             self.transport = FastMCPTransport(mcp=self._composite_server)

src/fastmcp/server/providers/__init__.py

@@ -25,12 +25,27 @@ async def get_tool(self, name: str) -> Tool | None:
     ```
 """
 
+from typing import TYPE_CHECKING
+
 from fastmcp.server.providers.base import Provider
 from fastmcp.server.providers.fastmcp_provider import FastMCPProvider
 from fastmcp.server.providers.transforming import TransformingProvider
 
+if TYPE_CHECKING:
+    from fastmcp.server.providers.proxy import ProxyProvider as ProxyProvider
+
 __all__ = [
     "FastMCPProvider",
     "Provider",
+    "ProxyProvider",
     "TransformingProvider",
 ]
+
+
+def __getattr__(name: str):
+    """Lazy import for ProxyProvider to avoid circular imports."""
+    if name == "ProxyProvider":
+        from fastmcp.server.providers.proxy import ProxyProvider
+
+        return ProxyProvider
+    raise AttributeError(f"module {__name__!r} has no attribute {name!r}")

src/fastmcp/server/providers/base.py

@@ -39,16 +39,6 @@ async def get_tool(self, name: str) -> Tool | None:
 from fastmcp.tools.tool import Tool, ToolResult
 
 
-@dataclass
-class Components:
-    """Collection of MCP components."""
-
-    tools: Sequence[Tool] = ()
-    resources: Sequence[Resource] = ()
-    templates: Sequence[ResourceTemplate] = ()
-    prompts: Sequence[Prompt] = ()
-
-
 @dataclass
 class TaskComponents:
     """Collection of components eligible for background task execution.