Limit max num of slow queries returned by the tool

Author: kylelai1

src/common/atlas/performanceAdvisorUtils.ts

@@ -8,6 +8,8 @@ export type DropIndexSuggestion = components["schemas"]["DropIndexSuggestionsInd
 export type SlowQueryLogMetrics = components["schemas"]["PerformanceAdvisorSlowQueryMetrics"];
 export type SlowQueryLog = components["schemas"]["PerformanceAdvisorSlowQuery"];
 
+export const DEFAULT_SLOW_QUERY_LOGS_LIMIT = 100;
+
 interface SuggestedIndexesResponse {
     content: components["schemas"]["PerformanceAdvisorResponse"];
 }
@@ -128,6 +130,7 @@ export async function getSlowQueries(
                     query: {
                         ...(since && { since: since.getTime() }),
                         ...(namespaces && { namespaces: namespaces }),
+                        nLogs: DEFAULT_SLOW_QUERY_LOGS_LIMIT,
                     },
                 },
             })

src/tools/atlas/read/getPerformanceAdvisor.ts

@@ -8,6 +8,7 @@ import {
     getDropIndexSuggestions,
     getSchemaAdvice,
     getSlowQueries,
+    DEFAULT_SLOW_QUERY_LOGS_LIMIT,
 } from "../../../common/atlas/performanceAdvisorUtils.js";
 import { AtlasArgs } from "../../args.js";
 
@@ -20,8 +21,7 @@ const PerformanceAdvisorOperationType = z.enum([
 
 export class GetPerformanceAdvisorTool extends AtlasToolBase {
     public name = "atlas-get-performance-advisor";
-    protected description =
-        "Get MongoDB Atlas performance advisor recommendations, which includes the operations: suggested indexes, drop index suggestions, slow query logs, and schema suggestions";
+    protected description = `Get MongoDB Atlas performance advisor recommendations, which includes the operations: suggested indexes, drop index suggestions, schema suggestions, and a sample of the most recent (max ${DEFAULT_SLOW_QUERY_LOGS_LIMIT}) slow query logs`;
     public operationType: OperationType = "read";
     protected argsShape = {
         projectId: AtlasArgs.projectId().describe("Atlas project ID to get performance advisor recommendations"),