diff --git a/changelogs/fragments/8839.yml b/changelogs/fragments/8839.yml
new file mode 100644
index 000000000000..27477e376254
--- /dev/null
+++ b/changelogs/fragments/8839.yml
@@ -0,0 +1,2 @@
+fix:
+- Fix a typo while inspecting values for large numerals in OSD and the JS client ([#8839](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/8839))
\ No newline at end of file
diff --git a/packages/osd-std/src/json.test.ts b/packages/osd-std/src/json.test.ts
index 33abd71d91d2..0d4b900e0ca5 100644
--- a/packages/osd-std/src/json.test.ts
+++ b/packages/osd-std/src/json.test.ts
@@ -3,6 +3,7 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
+import JSON11 from 'json11';
 import { stringify, parse } from './json';
 
 describe('json', () => {
@@ -90,9 +91,55 @@ describe('json', () => {
     expect(stringify(input, replacer, 2)).toEqual(JSON.stringify(input, replacer, 2));
   });
 
-  it('can handle long numerals while parsing', () => {
-    const longPositive = BigInt(Number.MAX_SAFE_INTEGER) * 2n;
-    const longNegative = BigInt(Number.MIN_SAFE_INTEGER) * 2n;
+  it('can handle positive long numerals while parsing', () => {
+    const longPositiveA = BigInt(Number.MAX_SAFE_INTEGER) * 2n;
+    const longPositiveB = BigInt(Number.MAX_SAFE_INTEGER) * 2n + 1n;
+    const text =
+      `{` +
+      // The space before and after the values, and the lack of spaces before comma are intentional
+      `"\\":${longPositiveA}": "[ ${longPositiveB.toString()}, ${longPositiveA.toString()} ]", ` +
+      `"positive": ${longPositiveA.toString()}, ` +
+      `"array": [ ${longPositiveB.toString()}, ${longPositiveA.toString()} ], ` +
+      `"negative": ${longPositiveB.toString()},` +
+      `"number": 102931203123987` +
+      `}`;
+
+    const result = parse(text);
+    expect(result.positive).toBe(longPositiveA);
+    expect(result.negative).toBe(longPositiveB);
+    expect(result.array).toEqual([longPositiveB, longPositiveA]);
+    expect(result['":' + longPositiveA]).toBe(
+      `[ ${longPositiveB.toString()}, ${longPositiveA.toString()} ]`
+    );
+    expect(result.number).toBe(102931203123987);
+  });
+
+  it('can handle negative long numerals while parsing', () => {
+    const longNegativeA = BigInt(Number.MIN_SAFE_INTEGER) * 2n;
+    const longNegativeB = BigInt(Number.MIN_SAFE_INTEGER) * 2n - 1n;
+    const text =
+      `{` +
+      // The space before and after the values, and the lack of spaces before comma are intentional
+      `"\\":${longNegativeA}": "[ ${longNegativeB.toString()}, ${longNegativeA.toString()} ]", ` +
+      `"positive": ${longNegativeA.toString()}, ` +
+      `"array": [ ${longNegativeB.toString()}, ${longNegativeA.toString()} ], ` +
+      `"negative": ${longNegativeB.toString()},` +
+      `"number": 102931203123987` +
+      `}`;
+
+    const result = parse(text);
+    expect(result.positive).toBe(longNegativeA);
+    expect(result.negative).toBe(longNegativeB);
+    expect(result.array).toEqual([longNegativeB, longNegativeA]);
+    expect(result['":' + longNegativeA]).toBe(
+      `[ ${longNegativeB.toString()}, ${longNegativeA.toString()} ]`
+    );
+    expect(result.number).toBe(102931203123987);
+  });
+
+  it('can handle mixed long numerals while parsing', () => {
+    const longPositive = BigInt(Number.MAX_SAFE_INTEGER) * 2n + 1n;
+    const longNegative = BigInt(Number.MIN_SAFE_INTEGER) * 2n - 1n;
     const text =
       `{` +
       // The space before and after the values, and the lack of spaces before comma are intentional
@@ -113,6 +160,37 @@ describe('json', () => {
     expect(result.number).toBe(102931203123987);
   });
 
+  it('does not use JSON11 when not needed', () => {
+    const spyParse = jest.spyOn(JSON11, 'parse');
+
+    const longPositive = BigInt(Number.MAX_SAFE_INTEGER) * 2n + 1n;
+    const longNegative = BigInt(Number.MIN_SAFE_INTEGER) * 2n - 1n;
+    const text =
+      `{` +
+      `"\\":${longPositive}": "[ ${longNegative.toString()}, ${longPositive.toString()} ]", ` +
+      `"number": 102931203123987` +
+      `}`;
+    parse(text);
+
+    expect(spyParse).not.toHaveBeenCalled();
+  });
+
+  it('uses JSON11 when dealing with long numerals', () => {
+    const spyParse = jest.spyOn(JSON11, 'parse');
+
+    const longPositive = BigInt(Number.MAX_SAFE_INTEGER) * 2n + 1n;
+    const longNegative = BigInt(Number.MIN_SAFE_INTEGER) * 2n - 1n;
+    const text =
+      `{` +
+      `"\\":${longPositive}": "[ ${longNegative.toString()}, ${longPositive.toString()} ]", ` +
+      `"positive": ${longPositive.toString()}, ` +
+      `"number": 102931203123987` +
+      `}`;
+    parse(text);
+
+    expect(spyParse).toHaveBeenCalled();
+  });
+
   it('can handle BigInt values while stringifying', () => {
     const longPositive = BigInt(Number.MAX_SAFE_INTEGER) * 2n;
     const longNegative = BigInt(Number.MIN_SAFE_INTEGER) * 2n;
diff --git a/packages/osd-std/src/json.ts b/packages/osd-std/src/json.ts
index 4dcd3eb03e65..79a148f625f7 100644
--- a/packages/osd-std/src/json.ts
+++ b/packages/osd-std/src/json.ts
@@ -69,7 +69,7 @@ export const parse = (
       numeralsAreNumbers &&
       typeof val === 'number' &&
       isFinite(val) &&
-      (val < Number.MAX_SAFE_INTEGER || val > Number.MAX_SAFE_INTEGER)
+      (val < Number.MIN_SAFE_INTEGER || val > Number.MAX_SAFE_INTEGER)
     ) {
       numeralsAreNumbers = false;
     }
diff --git a/scripts/postinstall.js b/scripts/postinstall.js
index 93f168c164b2..a26a9cfd075e 100644
--- a/scripts/postinstall.js
+++ b/scripts/postinstall.js
@@ -84,6 +84,15 @@ const run = async () => {
       },
     ])
   );
+  //ToDo: Remove when opensearch-js is released to include https://github.com/opensearch-project/opensearch-js/pull/889
+  promises.push(
+    patchFile('node_modules/@opensearch-project/opensearch-next/lib/Serializer.js', [
+      {
+        from: 'val < Number.MAX_SAFE_INTEGER',
+        to: 'val < Number.MIN_SAFE_INTEGER',
+      },
+    ])
+  );
 
   //Axios's type definition is far too advanced for OSD
   promises.push(