request context as optional param

Author: asheshvidyut

src/mcp/server/fastmcp/server.py

@@ -326,10 +326,18 @@ def get_context(self) -> Context[ServerSession, LifespanResultT, Request]:
             request_context = None
         return Context(request_context=request_context, fastmcp=self)
 
-    async def call_tool(self, name: str, arguments: dict[str, Any]) -> Sequence[ContentBlock] | dict[str, Any]:
+    async def call_tool(
+        self, name: str, arguments: dict[str, Any],
+        request_context: RequestContext | None = None
+    ) -> Sequence[ContentBlock] | dict[str, Any]:
         """Call a tool by name with arguments."""
-        context = self.get_context()
-        return await self._tool_manager.call_tool(name, arguments, context=context, convert_result=True)
+        if request_context:
+            context = Context(request_context=request_context, fastmcp=self)
+        else:
+            context = self.get_context()
+        return await self._tool_manager.call_tool(name, arguments,
+                                                  context=context,
+                                                  convert_result=True)
 
     async def list_resources(self) -> list[MCPResource]:
         """List all available resources."""