update

Author: blva

src/tools/mongodb/metadata/listDatabases.ts

@@ -7,7 +7,6 @@ export class ListDatabasesTool extends MongoDBToolBase {
     protected name = "list-databases";
     protected description = "List all databases for a MongoDB connection";
     protected argsShape = {};
-
     protected operationType: OperationType = "metadata";
 
     protected async execute(): Promise<CallToolResult> {

src/tools/tool.ts

@@ -27,17 +27,30 @@ export abstract class ToolBase {
 
     protected abstract argsShape: ZodRawShape;
 
-    protected abstract annotations: ToolAnnotations;
+    protected get annotations(): ToolAnnotations {
+        const annotations: ToolAnnotations = {
+            title: this.name,
+            description: this.description,
+        };
+
+        if (this.operationType === "read" || this.operationType === "metadata") {
+            annotations.readOnlyHint = true;
+        }
+
+        if (this.operationType === "delete") {
+            annotations.destructiveHint = true;
+        }
+
+        return annotations;
+    }
 
     protected abstract execute(...args: Parameters<ToolCallback<typeof this.argsShape>>): Promise<CallToolResult>;
 
     constructor(
         protected readonly session: Session,
         protected readonly config: UserConfig,
         protected readonly telemetry: Telemetry
-    ) {
-        this.updateAnnotations();
-    }
+    ) {}
 
     public register(server: McpServer): void {
         if (!this.verifyAllowed()) {
@@ -136,19 +149,6 @@ export abstract class ToolBase {
         };
     }
 
-    protected updateAnnotations() {
-        this.annotations: ToolAnnotationsSchema =  {
-            description: this.description,
-        };
-        if (this.operationType === "read") {
-            this.annotations.readOnlyHint = true;
-        }
-
-        if (this.operationType == "delete") {
-            this.annotations.destructiveHint = true;
-        }
-    }
-
     protected abstract resolveTelemetryMetadata(
         ...args: Parameters<ToolCallback<typeof this.argsShape>>
     ): TelemetryToolMetadata;