chore: use .tool instead of .registerTool

doesn't seem like registerTool even exists...

Author: gagik

src/tools/tool.ts

@@ -470,29 +470,18 @@ export abstract class ToolBase {
             }
         };
 
-        this.registeredTool =
-            // Note: We use explicit type casting here to avoid  "excessively deep and possibly infinite" errors
-            // that occur when TypeScript tries to infer the complex generic types from `typeof this.argsShape`
-            // in the abstract class context.
-            (
-                server.mcpServer.registerTool as (
-                    name: string,
-                    config: {
-                        description?: string;
-                        inputSchema?: ZodRawShape;
-                        annotations?: ToolAnnotations;
-                    },
-                    cb: (args: ToolArgs<ZodRawShape>, extra: ToolExecutionContext) => Promise<CallToolResult>
-                ) => RegisteredTool
-            )(
-                this.name,
-                {
-                    description: this.description,
-                    inputSchema: this.argsShape,
-                    annotations: this.annotations,
-                },
-                callback
-            );
+        this.registeredTool = (
+            server.mcpServer.tool as (
+                // Note: We use explicit type casting here to avoid  "excessively deep and possibly infinite" errors
+                // that occur when TypeScript tries to infer the complex generic types from `typeof this.argsShape`
+                // in the abstract class context.
+                name: string,
+                description: string,
+                argsShape: ZodRawShape,
+                annotations: ToolAnnotations,
+                cb: (args: ToolArgs<ZodRawShape>, { signal }: ToolExecutionContext) => Promise<CallToolResult>
+            ) => RegisteredTool
+        )(this.name, this.description, this.argsShape, this.annotations, callback);
 
         return true;
     }