diff --git a/.github/CODEOWNERS b/.github/CODEOWNERS
index fb12f72abd2f19..0d246e1992d247 100644
--- a/.github/CODEOWNERS
+++ b/.github/CODEOWNERS
@@ -484,6 +484,7 @@ x-pack/plugins/maps @elastic/kibana-gis
 x-pack/packages/maps/vector_tile_utils @elastic/kibana-gis
 x-pack/packages/ml/agg_utils @elastic/ml-ui
 x-pack/packages/ml/anomaly_utils @elastic/ml-ui
+x-pack/packages/ml/category_validator @elastic/ml-ui
 x-pack/packages/ml/data_frame_analytics_utils @elastic/ml-ui
 x-pack/packages/ml/data_grid @elastic/ml-ui
 x-pack/packages/ml/date_picker @elastic/ml-ui
diff --git a/package.json b/package.json
index f515230d043660..6a3f61d15abe04 100644
--- a/package.json
+++ b/package.json
@@ -500,6 +500,7 @@
     "@kbn/maps-vector-tile-utils": "link:x-pack/packages/maps/vector_tile_utils",
     "@kbn/ml-agg-utils": "link:x-pack/packages/ml/agg_utils",
     "@kbn/ml-anomaly-utils": "link:x-pack/packages/ml/anomaly_utils",
+    "@kbn/ml-category-validator": "link:x-pack/packages/ml/category_validator",
     "@kbn/ml-data-frame-analytics-utils": "link:x-pack/packages/ml/data_frame_analytics_utils",
     "@kbn/ml-data-grid": "link:x-pack/packages/ml/data_grid",
     "@kbn/ml-date-picker": "link:x-pack/packages/ml/date_picker",
diff --git a/tsconfig.base.json b/tsconfig.base.json
index c114d34233dc1b..d184f337e52480 100644
--- a/tsconfig.base.json
+++ b/tsconfig.base.json
@@ -962,6 +962,8 @@
       "@kbn/ml-agg-utils/*": ["x-pack/packages/ml/agg_utils/*"],
       "@kbn/ml-anomaly-utils": ["x-pack/packages/ml/anomaly_utils"],
       "@kbn/ml-anomaly-utils/*": ["x-pack/packages/ml/anomaly_utils/*"],
+      "@kbn/ml-category-validator": ["x-pack/packages/ml/category_validator"],
+      "@kbn/ml-category-validator/*": ["x-pack/packages/ml/category_validator/*"],
       "@kbn/ml-data-frame-analytics-utils": ["x-pack/packages/ml/data_frame_analytics_utils"],
       "@kbn/ml-data-frame-analytics-utils/*": ["x-pack/packages/ml/data_frame_analytics_utils/*"],
       "@kbn/ml-data-grid": ["x-pack/packages/ml/data_grid"],
diff --git a/x-pack/.i18nrc.json b/x-pack/.i18nrc.json
index 6fbc0f935b9400..31d72d2aaab3ea 100644
--- a/x-pack/.i18nrc.json
+++ b/x-pack/.i18nrc.json
@@ -54,6 +54,7 @@
       "packages/ml/data_grid",
       "packages/ml/date_picker",
       "packages/ml/trained_models_utils",
+      "packages/ml/category_validator",
       "plugins/ml"
     ],
     "xpack.monitoring": ["plugins/monitoring"],
diff --git a/x-pack/packages/ml/category_validator/README.md b/x-pack/packages/ml/category_validator/README.md
new file mode 100644
index 00000000000000..712f260721601a
--- /dev/null
+++ b/x-pack/packages/ml/category_validator/README.md
@@ -0,0 +1,3 @@
+# @kbn/ml-category-validator
+
+Provides functions for validating data to see whether it is suitable for categorization
diff --git a/x-pack/plugins/ml/common/constants/categorization_job.ts b/x-pack/packages/ml/category_validator/common/constants/categorization.ts
similarity index 55%
rename from x-pack/plugins/ml/common/constants/categorization_job.ts
rename to x-pack/packages/ml/category_validator/common/constants/categorization.ts
index 7436f884071a05..4bd5ab6710f9f5 100644
--- a/x-pack/plugins/ml/common/constants/categorization_job.ts
+++ b/x-pack/packages/ml/category_validator/common/constants/categorization.ts
@@ -6,76 +6,136 @@
  */
 
 import { i18n } from '@kbn/i18n';
-import { VALIDATION_RESULT } from '../types/categories';
 
-export const NUMBER_OF_CATEGORY_EXAMPLES = 5;
+/**
+ * The number of category examples to use for analysis.
+ */
 export const CATEGORY_EXAMPLES_SAMPLE_SIZE = 1000;
+
+/**
+ * The warning limit for category examples. If the category examples validation falls below this limit, a warning is triggered.
+ */
 export const CATEGORY_EXAMPLES_WARNING_LIMIT = 0.75;
+
+/**
+ * The error limit for category examples. If the category examples validation falls below this limit, an error is triggered.
+ */
 export const CATEGORY_EXAMPLES_ERROR_LIMIT = 0.02;
 
+/**
+ * The valid token count for category examples.
+ */
 export const VALID_TOKEN_COUNT = 3;
+
+/**
+ * The limit for the median line length of category examples.
+ */
 export const MEDIAN_LINE_LENGTH_LIMIT = 400;
+
+/**
+ * The limit for the percentage of null values in category examples.
+ */
 export const NULL_COUNT_PERCENT_LIMIT = 0.75;
 
+/**
+ * Enum representing the validation status of category examples.
+ */
 export enum CATEGORY_EXAMPLES_VALIDATION_STATUS {
   VALID = 'valid',
   PARTIALLY_VALID = 'partially_valid',
   INVALID = 'invalid',
 }
 
+/**
+ * Enum representing the validation results for field examples.
+ */
+export enum VALIDATION_RESULT {
+  NO_EXAMPLES,
+  FAILED_TO_TOKENIZE,
+  TOO_MANY_TOKENS,
+  TOKEN_COUNT,
+  MEDIAN_LINE_LENGTH,
+  NULL_VALUES,
+  INSUFFICIENT_PRIVILEGES,
+}
+
+/**
+ * Description for each validation result.
+ */
 export const VALIDATION_CHECK_DESCRIPTION = {
+  /**
+   * Examples were successfully loaded.
+   */
   [VALIDATION_RESULT.NO_EXAMPLES]: i18n.translate(
     'xpack.ml.models.jobService.categorization.messages.validNoDataFound',
     {
-      defaultMessage: 'Examples  were successfully loaded.',
+      defaultMessage: 'Examples were successfully loaded.',
     }
-  ),
+  ) as string,
+  /**
+   * The loaded examples were tokenized successfully.
+   */
   [VALIDATION_RESULT.FAILED_TO_TOKENIZE]: i18n.translate(
     'xpack.ml.models.jobService.categorization.messages.validFailureToGetTokens',
     {
-      defaultMessage: 'The examples loaded were tokenized successfully.',
+      defaultMessage: 'The loaded examples were tokenized successfully.',
     }
-  ),
+  ) as string,
+  /**
+   * More than {tokenCount} tokens per example were found in over {percentage}% of the loaded examples.
+   */
   [VALIDATION_RESULT.TOKEN_COUNT]: i18n.translate(
     'xpack.ml.models.jobService.categorization.messages.validTokenLength',
     {
       defaultMessage:
-        'More than {tokenCount} tokens per example were found in over {percentage}% of the examples loaded.',
+        'More than {tokenCount} tokens per example were found in over {percentage}% of the loaded examples.',
       values: {
         percentage: Math.floor(CATEGORY_EXAMPLES_WARNING_LIMIT * 100),
         tokenCount: VALID_TOKEN_COUNT,
       },
     }
-  ),
+  ) as string,
+  /**
+   * The median line length of the loaded examples was less than {medianCharCount} characters.
+   */
   [VALIDATION_RESULT.MEDIAN_LINE_LENGTH]: i18n.translate(
     'xpack.ml.models.jobService.categorization.messages.validMedianLineLength',
     {
       defaultMessage:
-        'The median line length of the examples loaded was less than {medianCharCount} characters.',
+        'The median line length of the loaded examples was less than {medianCharCount} characters.',
       values: {
         medianCharCount: MEDIAN_LINE_LENGTH_LIMIT,
       },
     }
-  ),
+  ) as string,
+  /**
+   * Less than {percentage}% of the loaded examples were null.
+   */
   [VALIDATION_RESULT.NULL_VALUES]: i18n.translate(
     'xpack.ml.models.jobService.categorization.messages.validNullValues',
     {
-      defaultMessage: 'Less than {percentage}% of the examples loaded were null.',
+      defaultMessage: 'Less than {percentage}% of the loaded examples were null.',
       values: {
         percentage: Math.floor(100 - NULL_COUNT_PERCENT_LIMIT * 100),
       },
     }
-  ),
+  ) as string,
+  /**
+   * Less than 10000 tokens were found in total in the loaded examples.
+   */
   [VALIDATION_RESULT.TOO_MANY_TOKENS]: i18n.translate(
     'xpack.ml.models.jobService.categorization.messages.validTooManyTokens',
     {
-      defaultMessage: 'Less than 10000 tokens were found in total in the examples loaded.',
+      defaultMessage: 'Less than 10000 tokens were found in total in the loaded examples.',
     }
-  ),
+  ) as string,
+  /**
+   * The user has sufficient privileges to perform the checks.
+   */
   [VALIDATION_RESULT.INSUFFICIENT_PRIVILEGES]: i18n.translate(
     'xpack.ml.models.jobService.categorization.messages.validUserPrivileges',
     {
       defaultMessage: 'The user has sufficient privileges to perform the checks.',
     }
-  ),
+  ) as string,
 };
diff --git a/x-pack/packages/ml/category_validator/common/types/categories.ts b/x-pack/packages/ml/category_validator/common/types/categories.ts
new file mode 100644
index 00000000000000..b54f34a6b20860
--- /dev/null
+++ b/x-pack/packages/ml/category_validator/common/types/categories.ts
@@ -0,0 +1,81 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0; you may not use this file except in compliance with the Elastic License
+ * 2.0.
+ */
+
+import type * as estypes from '@elastic/elasticsearch/lib/api/typesWithBodyKey';
+
+import {
+  CATEGORY_EXAMPLES_VALIDATION_STATUS,
+  VALIDATION_RESULT,
+} from '../constants/categorization';
+
+/**
+ * Token
+ */
+export interface Token {
+  /**
+   * The token string.
+   */
+  token: string;
+  /**
+   * The starting offset of the token.
+   */
+  start_offset: number;
+  /**
+   * The ending offset of the token.
+   */
+  end_offset: number;
+  /**
+   * The type of the token.
+   */
+  type: string;
+  /**
+   * The position of the token.
+   */
+  position: number;
+}
+
+/**
+ * Categorization analyzer with additional properties.
+ */
+export type CategorizationAnalyzer = estypes.MlCategorizationAnalyzerDefinition & {
+  /**
+   * The analyzer used for categorization.
+   */
+  analyzer?: string;
+};
+
+/**
+ * Field example for a category.
+ */
+export interface CategoryFieldExample {
+  /**
+   * The text of the field example.
+   */
+  text: string;
+  /**
+   * The tokens extracted from the field example.
+   */
+  tokens: Token[];
+}
+
+/**
+ * Result of a field example check.
+ */
+export interface FieldExampleCheck {
+  /**
+   * The ID of the validation result.
+   */
+  id: VALIDATION_RESULT;
+  /**
+   * The validation status of the field example.
+   */
+  valid: CATEGORY_EXAMPLES_VALIDATION_STATUS;
+  /**
+   * The message associated with the validation result.
+   */
+  message: string;
+}
diff --git a/x-pack/packages/ml/category_validator/index.ts b/x-pack/packages/ml/category_validator/index.ts
new file mode 100644
index 00000000000000..e235ea204ed040
--- /dev/null
+++ b/x-pack/packages/ml/category_validator/index.ts
@@ -0,0 +1,25 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0; you may not use this file except in compliance with the Elastic License
+ * 2.0.
+ */
+
+export { categorizationExamplesProvider } from './src/examples';
+export type {
+  CategorizationAnalyzer,
+  CategoryFieldExample,
+  FieldExampleCheck,
+  Token,
+} from './common/types/categories';
+export {
+  CATEGORY_EXAMPLES_ERROR_LIMIT,
+  CATEGORY_EXAMPLES_SAMPLE_SIZE,
+  CATEGORY_EXAMPLES_VALIDATION_STATUS,
+  CATEGORY_EXAMPLES_WARNING_LIMIT,
+  MEDIAN_LINE_LENGTH_LIMIT,
+  NULL_COUNT_PERCENT_LIMIT,
+  VALID_TOKEN_COUNT,
+  VALIDATION_CHECK_DESCRIPTION,
+  VALIDATION_RESULT,
+} from './common/constants/categorization';
diff --git a/x-pack/packages/ml/category_validator/jest.config.js b/x-pack/packages/ml/category_validator/jest.config.js
new file mode 100644
index 00000000000000..16140d5a9b1f7c
--- /dev/null
+++ b/x-pack/packages/ml/category_validator/jest.config.js
@@ -0,0 +1,12 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0; you may not use this file except in compliance with the Elastic License
+ * 2.0.
+ */
+
+module.exports = {
+  preset: '@kbn/test/jest_node',
+  rootDir: '../../../..',
+  roots: ['<rootDir>/x-pack/packages/ml/category_validator'],
+};
diff --git a/x-pack/packages/ml/category_validator/kibana.jsonc b/x-pack/packages/ml/category_validator/kibana.jsonc
new file mode 100644
index 00000000000000..de1fea187f3c80
--- /dev/null
+++ b/x-pack/packages/ml/category_validator/kibana.jsonc
@@ -0,0 +1,5 @@
+{
+  "type": "shared-common",
+  "id": "@kbn/ml-category-validator",
+  "owner": "@elastic/ml-ui"
+}
diff --git a/x-pack/packages/ml/category_validator/package.json b/x-pack/packages/ml/category_validator/package.json
new file mode 100644
index 00000000000000..2466a5fdc6b7d8
--- /dev/null
+++ b/x-pack/packages/ml/category_validator/package.json
@@ -0,0 +1,6 @@
+{
+  "name": "@kbn/ml-category-validator",
+  "private": true,
+  "version": "1.0.0",
+  "license": "Elastic License 2.0"
+}
diff --git a/x-pack/plugins/ml/server/models/job_service/new_job/categorization/examples.ts b/x-pack/packages/ml/category_validator/src/examples.ts
similarity index 83%
rename from x-pack/plugins/ml/server/models/job_service/new_job/categorization/examples.ts
rename to x-pack/packages/ml/category_validator/src/examples.ts
index f529b94da5e84e..7971e825d3fa56 100644
--- a/x-pack/plugins/ml/server/models/job_service/new_job/categorization/examples.ts
+++ b/x-pack/packages/ml/category_validator/src/examples.ts
@@ -7,29 +7,53 @@
 
 import type * as estypes from '@elastic/elasticsearch/lib/api/typesWithBodyKey';
 
-import { IScopedClusterClient } from '@kbn/core/server';
 import { chunk } from 'lodash';
+import type { IScopedClusterClient } from '@kbn/core/server';
 import type { RuntimeMappings } from '@kbn/ml-runtime-field-utils';
-import { CATEGORY_EXAMPLES_SAMPLE_SIZE } from '../../../../../common/constants/categorization_job';
-import {
+import { CATEGORY_EXAMPLES_SAMPLE_SIZE } from '../common/constants/categorization';
+import type {
   Token,
   CategorizationAnalyzer,
   CategoryFieldExample,
-} from '../../../../../common/types/categories';
-import { IndicesOptions } from '../../../../../common/types/anomaly_detection_jobs';
+} from '../common/types/categories';
 import { ValidationResults } from './validation_results';
 
+/**
+ * The size of each chunk for processing examples.
+ *
+ */
 const CHUNK_SIZE = 100;
 
-export function categorizationExamplesProvider({
-  asCurrentUser,
-  asInternalUser,
-}: IScopedClusterClient) {
+/**
+ * Provides methods for checking whether categories can be
+ * produced from a field.
+ *
+ * @export
+ * @param client - IScopedClusterClient
+ */
+export function categorizationExamplesProvider(client: IScopedClusterClient) {
+  const { asCurrentUser, asInternalUser } = client;
   const validationResults = new ValidationResults();
 
+  /**
+   * Retrieves the tokens for the provided examples and analyzer.
+   *
+   * @async
+   * @param {string} indexPatternTitle
+   * @param {estypes.QueryDslQueryContainer} query
+   * @param {number} size
+   * @param {string} categorizationFieldName
+   * @param {(string | undefined)} timeField
+   * @param {number} start
+   * @param {number} end
+   * @param {CategorizationAnalyzer} analyzer
+   * @param {(RuntimeMappings | undefined)} runtimeMappings
+   * @param {(estypes.IndicesOptions | undefined)} indicesOptions
+   * @returns {Promise<{ examples: CategoryFieldExample[]; error?: Error }>}
+   */
   async function categorizationExamples(
     indexPatternTitle: string,
-    query: any,
+    query: estypes.QueryDslQueryContainer,
     size: number,
     categorizationFieldName: string,
     timeField: string | undefined,
@@ -37,8 +61,8 @@ export function categorizationExamplesProvider({
     end: number,
     analyzer: CategorizationAnalyzer,
     runtimeMappings: RuntimeMappings | undefined,
-    indicesOptions: IndicesOptions | undefined
-  ): Promise<{ examples: CategoryFieldExample[]; error?: any }> {
+    indicesOptions: estypes.IndicesOptions | undefined
+  ): Promise<{ examples: CategoryFieldExample[]; error?: Error }> {
     if (timeField !== undefined) {
       const range = {
         range: {
@@ -178,7 +202,7 @@ export function categorizationExamplesProvider({
 
   async function validateCategoryExamples(
     indexPatternTitle: string,
-    query: any,
+    query: estypes.QueryDslQueryContainer,
     size: number,
     categorizationFieldName: string,
     timeField: string | undefined,
@@ -186,7 +210,7 @@ export function categorizationExamplesProvider({
     end: number,
     analyzer: CategorizationAnalyzer,
     runtimeMappings: RuntimeMappings | undefined,
-    indicesOptions: IndicesOptions | undefined
+    indicesOptions: estypes.IndicesOptions | undefined
   ) {
     const resp = await categorizationExamples(
       indexPatternTitle,
diff --git a/x-pack/packages/ml/category_validator/src/util.ts b/x-pack/packages/ml/category_validator/src/util.ts
new file mode 100644
index 00000000000000..8bcbc38e065abe
--- /dev/null
+++ b/x-pack/packages/ml/category_validator/src/util.ts
@@ -0,0 +1,11 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0; you may not use this file except in compliance with the Elastic License
+ * 2.0.
+ */
+
+export function getMedianStringLength(strings: string[]) {
+  const sortedStringLengths = strings.map((s) => s.length).sort((a, b) => a - b);
+  return sortedStringLengths[Math.floor(sortedStringLengths.length / 2)] || 0;
+}
diff --git a/x-pack/plugins/ml/server/models/job_service/new_job/categorization/validation_results.ts b/x-pack/packages/ml/category_validator/src/validation_results.ts
similarity index 96%
rename from x-pack/plugins/ml/server/models/job_service/new_job/categorization/validation_results.ts
rename to x-pack/packages/ml/category_validator/src/validation_results.ts
index a5617f1fc7b659..3d6ab9623a869a 100644
--- a/x-pack/plugins/ml/server/models/job_service/new_job/categorization/validation_results.ts
+++ b/x-pack/packages/ml/category_validator/src/validation_results.ts
@@ -13,13 +13,10 @@ import {
   CATEGORY_EXAMPLES_VALIDATION_STATUS,
   CATEGORY_EXAMPLES_ERROR_LIMIT,
   CATEGORY_EXAMPLES_WARNING_LIMIT,
-} from '../../../../../common/constants/categorization_job';
-import {
-  FieldExampleCheck,
-  CategoryFieldExample,
   VALIDATION_RESULT,
-} from '../../../../../common/types/categories';
-import { getMedianStringLength } from '../../../../../common/util/string_utils';
+} from '../common/constants/categorization';
+import type { FieldExampleCheck, CategoryFieldExample } from '../common/types/categories';
+import { getMedianStringLength } from './util';
 
 export class ValidationResults {
   private _results: FieldExampleCheck[] = [];
diff --git a/x-pack/packages/ml/category_validator/tsconfig.json b/x-pack/packages/ml/category_validator/tsconfig.json
new file mode 100644
index 00000000000000..51c0faec5b5c05
--- /dev/null
+++ b/x-pack/packages/ml/category_validator/tsconfig.json
@@ -0,0 +1,21 @@
+{
+  "extends": "../../../../tsconfig.base.json",
+  "compilerOptions": {
+    "outDir": "target/types",
+    "types": [
+      "jest",
+      "node"
+    ]
+  },
+  "include": [
+    "**/*.ts",
+  ],
+  "exclude": [
+    "target/**/*"
+  ],
+  "kbn_references": [
+    "@kbn/i18n",
+    "@kbn/core",
+    "@kbn/ml-runtime-field-utils",
+  ]
+}
diff --git a/x-pack/plugins/ml/common/constants/new_job.ts b/x-pack/plugins/ml/common/constants/new_job.ts
index 35f9dea4135e02..12aa5393ad6e15 100644
--- a/x-pack/plugins/ml/common/constants/new_job.ts
+++ b/x-pack/plugins/ml/common/constants/new_job.ts
@@ -33,3 +33,5 @@ export const DEFAULT_RARE_BUCKET_SPAN = '1h';
 export const DEFAULT_QUERY_DELAY = '60s';
 
 export const SHARED_RESULTS_INDEX_NAME = 'shared';
+
+export const NUMBER_OF_CATEGORY_EXAMPLES = 5;
diff --git a/x-pack/plugins/ml/common/types/categories.ts b/x-pack/plugins/ml/common/types/categories.ts
index c40b3035a5f817..3b396524207e84 100644
--- a/x-pack/plugins/ml/common/types/categories.ts
+++ b/x-pack/plugins/ml/common/types/categories.ts
@@ -5,8 +5,6 @@
  * 2.0.
  */
 
-import { CATEGORY_EXAMPLES_VALIDATION_STATUS } from '../constants/categorization_job';
-
 export type CategoryId = number;
 
 export interface Category {
@@ -20,39 +18,3 @@ export interface Category {
   partition_field_name?: string; // TODO: make non-optional once fields have been added to the results
   partition_field_value?: string; // TODO: make non-optional once fields have been added to the results
 }
-
-export interface Token {
-  token: string;
-  start_offset: number;
-  end_offset: number;
-  type: string;
-  position: number;
-}
-
-export interface CategorizationAnalyzer {
-  char_filter?: any[];
-  tokenizer?: string;
-  filter?: any[];
-  analyzer?: string;
-}
-
-export interface CategoryFieldExample {
-  text: string;
-  tokens: Token[];
-}
-
-export enum VALIDATION_RESULT {
-  NO_EXAMPLES,
-  FAILED_TO_TOKENIZE,
-  TOO_MANY_TOKENS,
-  TOKEN_COUNT,
-  MEDIAN_LINE_LENGTH,
-  NULL_VALUES,
-  INSUFFICIENT_PRIVILEGES,
-}
-
-export interface FieldExampleCheck {
-  id: VALIDATION_RESULT;
-  valid: CATEGORY_EXAMPLES_VALIDATION_STATUS;
-  message: string;
-}
diff --git a/x-pack/plugins/ml/common/types/ml_server_info.ts b/x-pack/plugins/ml/common/types/ml_server_info.ts
index 2886257e35e678..e5141d6f2e78fb 100644
--- a/x-pack/plugins/ml/common/types/ml_server_info.ts
+++ b/x-pack/plugins/ml/common/types/ml_server_info.ts
@@ -5,14 +5,14 @@
  * 2.0.
  */
 
-import { CategorizationAnalyzer } from './categories';
+import * as estypes from '@elastic/elasticsearch/lib/api/typesWithBodyKey';
 
 export interface MlServerDefaults {
   anomaly_detectors: {
     categorization_examples_limit?: number;
     model_memory_limit?: string;
     model_snapshot_retention_days?: number;
-    categorization_analyzer?: CategorizationAnalyzer;
+    categorization_analyzer?: estypes.MlCategorizationAnalyzerDefinition;
   };
   datafeeds: { scroll_size?: number };
 }
diff --git a/x-pack/plugins/ml/public/application/jobs/new_job/common/job_creator/categorization_job_creator.ts b/x-pack/plugins/ml/public/application/jobs/new_job/common/job_creator/categorization_job_creator.ts
index 72ff937a8239f7..0ed702f80d472f 100644
--- a/x-pack/plugins/ml/public/application/jobs/new_job/common/job_creator/categorization_job_creator.ts
+++ b/x-pack/plugins/ml/public/application/jobs/new_job/common/job_creator/categorization_job_creator.ts
@@ -14,8 +14,19 @@ import {
   ML_JOB_AGGREGATION,
 } from '@kbn/ml-anomaly-utils';
 import type { SavedSearch } from '@kbn/saved-search-plugin/public';
+import {
+  type CategorizationAnalyzer,
+  type CategoryFieldExample,
+  type FieldExampleCheck,
+  VALIDATION_RESULT,
+  CATEGORY_EXAMPLES_VALIDATION_STATUS,
+} from '@kbn/ml-category-validator';
 import { JobCreator } from './job_creator';
-import { Job, Datafeed, Detector } from '../../../../../../common/types/anomaly_detection_jobs';
+import type {
+  Job,
+  Datafeed,
+  Detector,
+} from '../../../../../../common/types/anomaly_detection_jobs';
 import { createBasicDetector } from './util/default_configs';
 import {
   JOB_TYPE,
@@ -23,13 +34,7 @@ import {
   DEFAULT_BUCKET_SPAN,
   DEFAULT_RARE_BUCKET_SPAN,
 } from '../../../../../../common/constants/new_job';
-import { CATEGORY_EXAMPLES_VALIDATION_STATUS } from '../../../../../../common/constants/categorization_job';
-import {
-  CategorizationAnalyzer,
-  CategoryFieldExample,
-  FieldExampleCheck,
-  VALIDATION_RESULT,
-} from '../../../../../../common/types/categories';
+
 import { getRichDetectors } from './util/general';
 import { CategorizationExamplesLoader } from '../results_loader';
 import { getNewJobDefaults } from '../../../../services/ml_server_info';
diff --git a/x-pack/plugins/ml/public/application/jobs/new_job/common/job_validator/job_validator.ts b/x-pack/plugins/ml/public/application/jobs/new_job/common/job_validator/job_validator.ts
index 812bdb0b935b57..da3ad4b1216a53 100644
--- a/x-pack/plugins/ml/public/application/jobs/new_job/common/job_validator/job_validator.ts
+++ b/x-pack/plugins/ml/public/application/jobs/new_job/common/job_validator/job_validator.ts
@@ -8,6 +8,7 @@
 import { ReactElement } from 'react';
 import { combineLatest, Observable, ReplaySubject, Subject } from 'rxjs';
 import { map, startWith, tap } from 'rxjs/operators';
+import { CATEGORY_EXAMPLES_VALIDATION_STATUS } from '@kbn/ml-category-validator';
 import {
   basicJobValidation,
   basicDatafeedValidation,
@@ -24,7 +25,7 @@ import {
   JobExistsResult,
   GroupsExistResult,
 } from './validators';
-import { CATEGORY_EXAMPLES_VALIDATION_STATUS } from '../../../../../../common/constants/categorization_job';
+
 import { JOB_TYPE } from '../../../../../../common/constants/new_job';
 
 // delay start of validation to allow the user to make changes
diff --git a/x-pack/plugins/ml/public/application/jobs/new_job/common/results_loader/categorization_examples_loader.ts b/x-pack/plugins/ml/public/application/jobs/new_job/common/results_loader/categorization_examples_loader.ts
index 7ea7d60706f847..bc7a6edb17a380 100644
--- a/x-pack/plugins/ml/public/application/jobs/new_job/common/results_loader/categorization_examples_loader.ts
+++ b/x-pack/plugins/ml/public/application/jobs/new_job/common/results_loader/categorization_examples_loader.ts
@@ -6,13 +6,11 @@
  */
 
 import type { DataView } from '@kbn/data-views-plugin/public';
-import { IndexPatternTitle } from '../../../../../../common/types/kibana';
+import { CATEGORY_EXAMPLES_VALIDATION_STATUS } from '@kbn/ml-category-validator';
+import { NUMBER_OF_CATEGORY_EXAMPLES } from '../../../../../../common/constants/new_job';
+import type { IndexPatternTitle } from '../../../../../../common/types/kibana';
 import { CategorizationJobCreator } from '../job_creator';
 import { ml } from '../../../../services/ml_api_service';
-import {
-  NUMBER_OF_CATEGORY_EXAMPLES,
-  CATEGORY_EXAMPLES_VALIDATION_STATUS,
-} from '../../../../../../common/constants/categorization_job';
 
 export class CategorizationExamplesLoader {
   private _jobCreator: CategorizationJobCreator;
diff --git a/x-pack/plugins/ml/public/application/jobs/new_job/pages/components/pick_fields_step/components/categorization_view/examples_valid_callout.tsx b/x-pack/plugins/ml/public/application/jobs/new_job/pages/components/pick_fields_step/components/categorization_view/examples_valid_callout.tsx
index 4d22d8c4a5f507..1d30605b4098c7 100644
--- a/x-pack/plugins/ml/public/application/jobs/new_job/pages/components/pick_fields_step/components/categorization_view/examples_valid_callout.tsx
+++ b/x-pack/plugins/ml/public/application/jobs/new_job/pages/components/pick_fields_step/components/categorization_view/examples_valid_callout.tsx
@@ -18,15 +18,14 @@ import { i18n } from '@kbn/i18n';
 import { FormattedMessage } from '@kbn/i18n-react';
 
 import {
-  CategorizationAnalyzer,
-  FieldExampleCheck,
-} from '../../../../../../../../../common/types/categories';
-import { EditCategorizationAnalyzerFlyout } from '../../../common/edit_categorization_analyzer_flyout';
-import {
+  type CategorizationAnalyzer,
+  type FieldExampleCheck,
+  VALIDATION_RESULT,
   CATEGORY_EXAMPLES_VALIDATION_STATUS,
   VALIDATION_CHECK_DESCRIPTION,
-} from '../../../../../../../../../common/constants/categorization_job';
-import { VALIDATION_RESULT } from '../../../../../../../../../common/types/categories';
+} from '@kbn/ml-category-validator';
+
+import { EditCategorizationAnalyzerFlyout } from '../../../common/edit_categorization_analyzer_flyout';
 
 interface Props {
   validationChecks: FieldExampleCheck[];
@@ -96,9 +95,12 @@ export const ExamplesValidCallout: FC<Props> = ({
 const AnalyzerUsed: FC<{ categorizationAnalyzer: CategorizationAnalyzer }> = ({
   categorizationAnalyzer,
 }) => {
-  let analyzer = '';
+  let analyzer: string | null = null;
 
-  if (categorizationAnalyzer?.tokenizer !== undefined) {
+  if (
+    categorizationAnalyzer?.tokenizer !== undefined &&
+    typeof categorizationAnalyzer.tokenizer === 'string'
+  ) {
     analyzer = categorizationAnalyzer.tokenizer;
   } else if (categorizationAnalyzer?.analyzer !== undefined) {
     analyzer = categorizationAnalyzer.analyzer;
@@ -106,13 +108,15 @@ const AnalyzerUsed: FC<{ categorizationAnalyzer: CategorizationAnalyzer }> = ({
 
   return (
     <>
-      <div>
-        <FormattedMessage
-          id="xpack.ml.newJob.wizard.pickFieldsStep.categorizationFieldAnalyzer"
-          defaultMessage="Analyzer used: {analyzer}"
-          values={{ analyzer }}
-        />
-      </div>
+      {analyzer !== null ? (
+        <div>
+          <FormattedMessage
+            id="xpack.ml.newJob.wizard.pickFieldsStep.categorizationFieldAnalyzer"
+            defaultMessage="Analyzer used: {analyzer}"
+            values={{ analyzer }}
+          />
+        </div>
+      ) : null}
       <div>
         <EditCategorizationAnalyzerFlyout />
       </div>
diff --git a/x-pack/plugins/ml/public/application/jobs/new_job/pages/components/pick_fields_step/components/categorization_view/field_examples.tsx b/x-pack/plugins/ml/public/application/jobs/new_job/pages/components/pick_fields_step/components/categorization_view/field_examples.tsx
index 01eee1c9cc37ba..5b00a812301513 100644
--- a/x-pack/plugins/ml/public/application/jobs/new_job/pages/components/pick_fields_step/components/categorization_view/field_examples.tsx
+++ b/x-pack/plugins/ml/public/application/jobs/new_job/pages/components/pick_fields_step/components/categorization_view/field_examples.tsx
@@ -8,7 +8,7 @@
 import React, { FC } from 'react';
 import { i18n } from '@kbn/i18n';
 import { EuiBasicTable, EuiCodeBlock } from '@elastic/eui';
-import { CategoryFieldExample } from '../../../../../../../../../common/types/categories';
+import { CategoryFieldExample } from '@kbn/ml-category-validator';
 
 interface Props {
   fieldExamples: CategoryFieldExample[] | null;
diff --git a/x-pack/plugins/ml/public/application/jobs/new_job/pages/components/pick_fields_step/components/categorization_view/metric_selection.tsx b/x-pack/plugins/ml/public/application/jobs/new_job/pages/components/pick_fields_step/components/categorization_view/metric_selection.tsx
index 1b89262c9e59f0..7b0f48087940b2 100644
--- a/x-pack/plugins/ml/public/application/jobs/new_job/pages/components/pick_fields_step/components/categorization_view/metric_selection.tsx
+++ b/x-pack/plugins/ml/public/application/jobs/new_job/pages/components/pick_fields_step/components/categorization_view/metric_selection.tsx
@@ -7,6 +7,11 @@
 
 import React, { FC, useContext, useEffect, useState } from 'react';
 import { EuiHorizontalRule } from '@elastic/eui';
+import {
+  CATEGORY_EXAMPLES_VALIDATION_STATUS,
+  type CategoryFieldExample,
+  type FieldExampleCheck,
+} from '@kbn/ml-category-validator';
 import { getToastNotificationService } from '../../../../../../../services/toast_notification_service';
 
 import { JobCreatorContext } from '../../../job_creator_context';
@@ -18,11 +23,6 @@ import { CategorizationPerPartitionField } from '../categorization_partition_fie
 import { FieldExamples } from './field_examples';
 import { ExamplesValidCallout } from './examples_valid_callout';
 import { InvalidCssVersionCallout } from './invalid_ccs_version_valid_callout';
-import {
-  CategoryFieldExample,
-  FieldExampleCheck,
-} from '../../../../../../../../../common/types/categories';
-import { CATEGORY_EXAMPLES_VALIDATION_STATUS } from '../../../../../../../../../common/constants/categorization_job';
 import { LoadingWrapper } from '../../../charts/loading_wrapper';
 
 interface Props {
diff --git a/x-pack/plugins/ml/public/application/jobs/new_job/pages/components/pick_fields_step/components/categorization_view/top_categories.tsx b/x-pack/plugins/ml/public/application/jobs/new_job/pages/components/pick_fields_step/components/categorization_view/top_categories.tsx
index b12b4261a0628b..6ce1569794c3d6 100644
--- a/x-pack/plugins/ml/public/application/jobs/new_job/pages/components/pick_fields_step/components/categorization_view/top_categories.tsx
+++ b/x-pack/plugins/ml/public/application/jobs/new_job/pages/components/pick_fields_step/components/categorization_view/top_categories.tsx
@@ -9,12 +9,12 @@ import React, { FC, useContext, useEffect, useState } from 'react';
 import { EuiBasicTable, EuiText } from '@elastic/eui';
 import { FormattedMessage } from '@kbn/i18n-react';
 import { extractErrorProperties } from '@kbn/ml-error-utils';
+import { NUMBER_OF_CATEGORY_EXAMPLES } from '../../../../../../../../../common/constants/new_job';
 import { JobCreatorContext } from '../../../job_creator_context';
 import { CategorizationJobCreator } from '../../../../../common/job_creator';
 import { Results } from '../../../../../common/results_loader';
 import { ml } from '../../../../../../../services/ml_api_service';
 import { useToastNotificationService } from '../../../../../../../services/toast_notification_service';
-import { NUMBER_OF_CATEGORY_EXAMPLES } from '../../../../../../../../../common/constants/categorization_job';
 
 export const TopCategories: FC = () => {
   const { displayErrorToast } = useToastNotificationService();
diff --git a/x-pack/plugins/ml/public/application/services/ml_api_service/jobs.ts b/x-pack/plugins/ml/public/application/services/ml_api_service/jobs.ts
index 98a1246b165868..f84d030654ab2b 100644
--- a/x-pack/plugins/ml/public/application/services/ml_api_service/jobs.ts
+++ b/x-pack/plugins/ml/public/application/services/ml_api_service/jobs.ts
@@ -9,6 +9,12 @@ import { Observable } from 'rxjs';
 import { useMemo } from 'react';
 import type { AggFieldNamePair } from '@kbn/ml-anomaly-utils';
 import type { RuntimeMappings } from '@kbn/ml-runtime-field-utils';
+import {
+  type CategorizationAnalyzer,
+  type CategoryFieldExample,
+  type FieldExampleCheck,
+  CATEGORY_EXAMPLES_VALIDATION_STATUS,
+} from '@kbn/ml-category-validator';
 import { HttpService } from '../http_service';
 import { useMlKibana } from '../../contexts/kibana';
 
@@ -25,12 +31,7 @@ import type { JobMessage } from '../../../../common/types/audit_message';
 import type { JobAction } from '../../../../common/constants/job_actions';
 import type { Group } from '../../../../common/types/groups';
 import type { ExistingJobsAndGroups } from '../job_service';
-import type {
-  CategorizationAnalyzer,
-  CategoryFieldExample,
-  FieldExampleCheck,
-} from '../../../../common/types/categories';
-import { CATEGORY_EXAMPLES_VALIDATION_STATUS } from '../../../../common/constants/categorization_job';
+
 import type { Category } from '../../../../common/types/categories';
 import type {
   JobsExistResponse,
diff --git a/x-pack/plugins/ml/server/models/job_service/new_job/categorization/index.ts b/x-pack/plugins/ml/server/models/job_service/new_job/categorization/index.ts
index c44a66a9ada20a..38c35b0e76a2ce 100644
--- a/x-pack/plugins/ml/server/models/job_service/new_job/categorization/index.ts
+++ b/x-pack/plugins/ml/server/models/job_service/new_job/categorization/index.ts
@@ -5,5 +5,4 @@
  * 2.0.
  */
 
-export { categorizationExamplesProvider } from './examples';
 export { topCategoriesProvider } from './top_categories';
diff --git a/x-pack/plugins/ml/server/models/job_service/new_job/categorization/top_categories.ts b/x-pack/plugins/ml/server/models/job_service/new_job/categorization/top_categories.ts
index 8d019137f2ff36..339ba87fc423b6 100644
--- a/x-pack/plugins/ml/server/models/job_service/new_job/categorization/top_categories.ts
+++ b/x-pack/plugins/ml/server/models/job_service/new_job/categorization/top_categories.ts
@@ -7,7 +7,7 @@
 
 import type * as estypes from '@elastic/elasticsearch/lib/api/typesWithBodyKey';
 
-import { CategoryId, Category } from '../../../../../common/types/categories';
+import type { CategoryId, Category } from '../../../../../common/types/categories';
 import type { MlClient } from '../../../../lib/ml_client';
 
 export function topCategoriesProvider(mlClient: MlClient) {
diff --git a/x-pack/plugins/ml/server/models/job_service/new_job/index.ts b/x-pack/plugins/ml/server/models/job_service/new_job/index.ts
index 9f51d48cbd2f62..2550510aa66105 100644
--- a/x-pack/plugins/ml/server/models/job_service/new_job/index.ts
+++ b/x-pack/plugins/ml/server/models/job_service/new_job/index.ts
@@ -6,4 +6,4 @@
  */
 
 export { newJobChartsProvider } from './charts';
-export { categorizationExamplesProvider, topCategoriesProvider } from './categorization';
+export { topCategoriesProvider } from './categorization';
diff --git a/x-pack/plugins/ml/server/routes/job_service.ts b/x-pack/plugins/ml/server/routes/job_service.ts
index cb8bbebd95d31b..c7cdd2276116df 100644
--- a/x-pack/plugins/ml/server/routes/job_service.ts
+++ b/x-pack/plugins/ml/server/routes/job_service.ts
@@ -7,6 +7,7 @@
 
 import type * as estypes from '@elastic/elasticsearch/lib/api/typesWithBodyKey';
 import { schema } from '@kbn/config-schema';
+import { categorizationExamplesProvider } from '@kbn/ml-category-validator';
 import { ML_INTERNAL_BASE_PATH } from '../../common/constants/app';
 import { wrapError } from '../client/error_wrapper';
 import type { RouteInitialization } from '../types';
@@ -32,7 +33,6 @@ import {
 import { jobIdSchema } from './schemas/anomaly_detectors_schema';
 
 import { jobServiceProvider } from '../models/job_service';
-import { categorizationExamplesProvider } from '../models/job_service/new_job';
 import { getAuthorizationHeader } from '../lib/request_authorization';
 import type { Datafeed, Job } from '../../common/types/anomaly_detection_jobs';
 
diff --git a/x-pack/plugins/ml/tsconfig.json b/x-pack/plugins/ml/tsconfig.json
index 98100a0b9bf0e9..441d3814496bae 100644
--- a/x-pack/plugins/ml/tsconfig.json
+++ b/x-pack/plugins/ml/tsconfig.json
@@ -95,6 +95,7 @@
     "@kbn/ml-kibana-theme",
     "@kbn/ml-runtime-field-utils",
     "@kbn/ml-date-utils",
+    "@kbn/ml-category-validator",
     "@kbn/deeplinks-ml",
     "@kbn/core-notifications-browser-mocks",
     "@kbn/unified-field-list",
diff --git a/x-pack/test/functional/apps/ml/anomaly_detection_jobs/categorization_job.ts b/x-pack/test/functional/apps/ml/anomaly_detection_jobs/categorization_job.ts
index 2bf433a7d77c38..b1939d75d05c31 100644
--- a/x-pack/test/functional/apps/ml/anomaly_detection_jobs/categorization_job.ts
+++ b/x-pack/test/functional/apps/ml/anomaly_detection_jobs/categorization_job.ts
@@ -5,7 +5,7 @@
  * 2.0.
  */
 
-import { CATEGORY_EXAMPLES_VALIDATION_STATUS } from '@kbn/ml-plugin/common/constants/categorization_job';
+import { CATEGORY_EXAMPLES_VALIDATION_STATUS } from '@kbn/ml-category-validator';
 import type { FtrProviderContext } from '../../../ftr_provider_context';
 import type { FieldStatsType } from '../common/types';
 
diff --git a/x-pack/test/functional/apps/ml/anomaly_detection_jobs/convert_jobs_to_advanced_job.ts b/x-pack/test/functional/apps/ml/anomaly_detection_jobs/convert_jobs_to_advanced_job.ts
index 230f2d79f24486..49383315df1f9a 100644
--- a/x-pack/test/functional/apps/ml/anomaly_detection_jobs/convert_jobs_to_advanced_job.ts
+++ b/x-pack/test/functional/apps/ml/anomaly_detection_jobs/convert_jobs_to_advanced_job.ts
@@ -5,7 +5,7 @@
  * 2.0.
  */
 
-import { CATEGORY_EXAMPLES_VALIDATION_STATUS } from '@kbn/ml-plugin/common/constants/categorization_job';
+import { CATEGORY_EXAMPLES_VALIDATION_STATUS } from '@kbn/ml-category-validator';
 import type { PickFieldsConfig, DatafeedConfig, Detector } from './types';
 import type { FtrProviderContext } from '../../../ftr_provider_context';
 
diff --git a/x-pack/test/functional/services/ml/job_wizard_categorization.ts b/x-pack/test/functional/services/ml/job_wizard_categorization.ts
index a646106c422535..49d37a0db42147 100644
--- a/x-pack/test/functional/services/ml/job_wizard_categorization.ts
+++ b/x-pack/test/functional/services/ml/job_wizard_categorization.ts
@@ -7,7 +7,7 @@
 
 import expect from '@kbn/expect';
 
-import { CATEGORY_EXAMPLES_VALIDATION_STATUS } from '@kbn/ml-plugin/common/constants/categorization_job';
+import { CATEGORY_EXAMPLES_VALIDATION_STATUS } from '@kbn/ml-category-validator';
 import type { FtrProviderContext } from '../../ftr_provider_context';
 import type { MlCommonFieldStatsFlyout } from './field_stats_flyout';
 
diff --git a/x-pack/test/tsconfig.json b/x-pack/test/tsconfig.json
index 5cda7fbbdf8fdd..8d7ef58f2775ea 100644
--- a/x-pack/test/tsconfig.json
+++ b/x-pack/test/tsconfig.json
@@ -135,6 +135,7 @@
     "@kbn/profiling-plugin",
     "@kbn/observability-onboarding-plugin",
     "@kbn/bfetch-plugin",
-    "@kbn/uptime-plugin"
+    "@kbn/uptime-plugin",
+    "@kbn/ml-category-validator"
   ]
 }
diff --git a/yarn.lock b/yarn.lock
index 5a26fe36af99c5..91a7de87818a18 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4658,6 +4658,10 @@
   version "0.0.0"
   uid ""
 
+"@kbn/ml-category-validator@link:x-pack/packages/ml/category_validator":
+  version "0.0.0"
+  uid ""
+
 "@kbn/ml-data-frame-analytics-utils@link:x-pack/packages/ml/data_frame_analytics_utils":
   version "0.0.0"
   uid ""