chore: use Zod.removeDefault() for removing default from limit arg

Author: himanshusinghs

src/tools/mongodb/read/export.ts

@@ -4,7 +4,7 @@ import { AggregationCursor, FindCursor } from "mongodb";
 import { CallToolResult } from "@modelcontextprotocol/sdk/types.js";
 import { OperationType, ToolArgs } from "../../tool.js";
 import { DbOperationArgs, MongoDBToolBase } from "../mongodbTool.js";
-import { FindArgs, limitArg } from "./find.js";
+import { FindArgs } from "./find.js";
 import { jsonExportFormat } from "../../../common/exportsManager.js";
 import { AggregateArgs } from "./aggregate.js";
 
@@ -21,7 +21,7 @@ export class ExportTool extends MongoDBToolBase {
                         name: z.literal("find"),
                         arguments: z.object({
                             ...FindArgs,
-                            limit: limitArg,
+                            limit: FindArgs.limit.removeDefault(),
                         }),
                     }),
                     z.object({

src/tools/mongodb/read/find.ts

@@ -5,8 +5,6 @@ import { ToolArgs, OperationType } from "../../tool.js";
 import { SortDirection } from "mongodb";
 import { checkIndexUsage } from "../../../helpers/indexCheck.js";
 
-export const limitArg = z.number().optional().describe("The maximum number of documents to return");
-
 export const FindArgs = {
     filter: z
         .object({})
@@ -18,7 +16,7 @@ export const FindArgs = {
         .passthrough()
         .optional()
         .describe("The projection, matching the syntax of the projection argument of db.collection.find()"),
-    limit: limitArg.default(10),
+    limit: z.number().optional().default(10).describe("The maximum number of documents to return"),
     sort: z
         .object({})
         .catchall(z.custom<SortDirection>())