diff --git a/content-schema/.gitignore b/content-schema/.gitignore
new file mode 100644
index 0000000..21f0050
--- /dev/null
+++ b/content-schema/.gitignore
@@ -0,0 +1,2 @@
+node_modules
+playgound
diff --git a/content-schema/README.md b/content-schema/README.md
new file mode 100644
index 0000000..acad907
--- /dev/null
+++ b/content-schema/README.md
@@ -0,0 +1 @@
+# Content schema
diff --git a/content-schema/example/courses/test-course-1/course.yaml b/content-schema/example/courses/test-course-1/course.yaml
new file mode 100644
index 0000000..8e7aa49
--- /dev/null
+++ b/content-schema/example/courses/test-course-1/course.yaml
@@ -0,0 +1,14 @@
+# yaml-language-server: $schema=https://raw.githubusercontent.com/ArturW1998/course-app/main/content-schema/schemas/course.schema.json
+
+id: "{cuid}"
+thumbnail: "https://upload.wikimedia.org/wikipedia/commons/thumb/a/a7/React-icon.svg/2300px-React-icon.svg.png"
+dependencies:
+  - "test-course-2"
+title: "Test course"
+description: |
+  ## Course the best
+  - 1
+  - 2 
+  - [3](https://google.com)
+lessons:
+  - "lesson-1"
diff --git a/content-schema/example/courses/test-course-1/lessons/lesson-1/lesson.yaml b/content-schema/example/courses/test-course-1/lessons/lesson-1/lesson.yaml
new file mode 100644
index 0000000..eb800ad
--- /dev/null
+++ b/content-schema/example/courses/test-course-1/lessons/lesson-1/lesson.yaml
@@ -0,0 +1,45 @@
+# yaml-language-server: $schema=https://raw.githubusercontent.com/ArturW1998/course-app/main/content-schema/schemas/lesson.schema.json
+id: "{cuid}"
+title: "Advanced Python Programming"
+blocks:
+  - type: "text"
+    id: "{cuid}"
+    text: |
+
+      <img width="50%" src="https://upload.wikimedia.org/wikipedia/commons/thumb/f/f8/Python_logo_and_wordmark.svg/1280px-Python_logo_and_wordmark.svg.png"/>
+
+      ## What we're going to study today
+
+      It's an open question.
+      Some text
+
+  - type: "video"
+    id: "{cuid}"
+    url: "https://example.com/video/python-advanced"
+
+  - type: "text"
+    id: "{cuid}"
+    text: |
+      ## Introduction to Advanced Python Programming
+
+      In this section, we'll dive into advanced Python programming topics, including:
+      - OOP (Object Oriented Programming)
+      - Working with databases
+      - Multithreading and asynchronous programming
+
+  - type: "question"
+    id: "{cuid}"
+    answerOptions:
+      - text: "What design patterns are most commonly used in Python?"
+        id: "{cuid}"
+        isRight: false
+      - text: "What is a list in Python and how is it used?"
+        id: "{cuid}"
+        isRight: true
+    explanation: |
+      ### Explanation
+
+      This quiz will help consolidate your knowledge of advanced Python topics.
+      Each question is designed to test understanding of key concepts.
+    successMessage: |
+      🎉 **Great! You have successfully completed the Advanced Python Topics quiz.**
diff --git a/content-schema/example/manifeset.yaml b/content-schema/example/manifeset.yaml
new file mode 100644
index 0000000..1ff7d53
--- /dev/null
+++ b/content-schema/example/manifeset.yaml
@@ -0,0 +1,3 @@
+# yaml-language-server: $schema=../schemas/manifest.schema.json
+courses:
+  - "test-course-1"
diff --git a/content-schema/package.json b/content-schema/package.json
new file mode 100644
index 0000000..73ceeb8
--- /dev/null
+++ b/content-schema/package.json
@@ -0,0 +1,31 @@
+{
+  "name": "@core/content-schema",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "directories": {
+    "example": "example"
+  },
+  "scripts": {
+    "gen:types": "ts-node ./scripts/generate-schema-types.ts ./schemas",
+    "replace-cuid:playgound": "ts-node ./scripts/replace-cuid.ts ./playgound",
+    "replace-cuid": "ts-node ./scripts/replace-cuid.ts",
+    "validate": "ts-node ./scripts/validate.ts",
+    "dev": "concurrently -P --kill-others \"npm:replace-cuid -- {@}\" \"npm:validate -- {@}\" --",
+    "dev:staging": "npm run dev -- ../staging-content/",
+    "dev:prod": "npm run dev -- ../prod-content/"
+  },
+  "license": "MIT",
+  "devDependencies": {
+    "concurrently": "^8.2.2",
+    "ts-node": "^10.9.2",
+    "typescript": "^5.3.3"
+  },
+  "dependencies": {
+    "ajv": "^8.12.0",
+    "chokidar": "^3.5.3",
+    "cuid": "^3.0.0",
+    "json-schema-to-typescript": "^13.1.2",
+    "yaml": "^2.3.4"
+  }
+}
diff --git a/content-schema/schemas/course.schema.d.ts b/content-schema/schemas/course.schema.d.ts
new file mode 100644
index 0000000..edd6514
--- /dev/null
+++ b/content-schema/schemas/course.schema.d.ts
@@ -0,0 +1,28 @@
+/* eslint-disable */
+/**
+ * This file was automatically generated by json-schema-to-typescript.
+ * DO NOT MODIFY IT BY HAND. Instead, modify the source JSONSchema file,
+ * and run json-schema-to-typescript to regenerate this file.
+ */
+
+export type Cuid = string;
+export type Product =
+  | {
+      access: "free";
+    }
+  | {
+      access: "paid";
+      price: number;
+    };
+
+export interface Course {
+  id: Cuid;
+  title: string;
+  description: string;
+  shortDescription?: string;
+  thumbnail: string;
+  image: string;
+  dependencies?: Cuid[];
+  lessons: Cuid[];
+  product: Product;
+}
diff --git a/content-schema/schemas/course.schema.json b/content-schema/schemas/course.schema.json
new file mode 100644
index 0000000..3da662e
--- /dev/null
+++ b/content-schema/schemas/course.schema.json
@@ -0,0 +1,85 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "type": "object",
+  "required": [
+    "id",
+    "title",
+    "description",
+    "lessons",
+    "thumbnail",
+    "image",
+    "product"
+  ],
+  "additionalProperties": false,
+  "properties": {
+    "id": {
+      "$ref": "#/definitions/cuid"
+    },
+    "title": {
+      "type": "string",
+      "maxLength": 100
+    },
+    "description": {
+      "type": "string"
+    },
+    "shortDescription": {
+      "type": "string"
+    },
+    "thumbnail": {
+      "type": "string",
+      "$comment": "url to image sizes 600x300"
+    },
+    "image": {
+      "type": "string",
+      "$comment": "url to image sizes 1920x600"
+    },
+    "dependencies": {
+      "type": "array",
+      "items": {
+        "$ref": "#/definitions/cuid"
+      }
+    },
+    "lessons": {
+      "type": "array",
+      "items": {
+        "$ref": "#/definitions/cuid"
+      }
+    },
+    "product": {
+      "$ref": "#/definitions/product"
+    }
+  },
+  "definitions": {
+    "cuid": {
+      "type": "string",
+      "title": "cuid"
+    },
+    "product": {
+      "oneOf": [
+        {
+          "type": "object",
+          "additionalProperties": false,
+          "required": ["access"],
+          "properties": {
+            "access": {
+              "const": "free"
+            }
+          }
+        },
+        {
+          "type": "object",
+          "additionalProperties": false,
+          "required": ["access", "price"],
+          "properties": {
+            "access": {
+              "const": "paid"
+            },
+            "price": {
+              "type": "number"
+            }
+          }
+        }
+      ]
+    }
+  }
+}
diff --git a/content-schema/schemas/lesson.schema.d.ts b/content-schema/schemas/lesson.schema.d.ts
new file mode 100644
index 0000000..0c0d9a5
--- /dev/null
+++ b/content-schema/schemas/lesson.schema.d.ts
@@ -0,0 +1,38 @@
+/* eslint-disable */
+/**
+ * This file was automatically generated by json-schema-to-typescript.
+ * DO NOT MODIFY IT BY HAND. Instead, modify the source JSONSchema file,
+ * and run json-schema-to-typescript to regenerate this file.
+ */
+
+export type Cuid = string;
+
+export interface Lesson {
+  id: Cuid;
+  title: string;
+  shortDescription?: string;
+  blocks: (TextBlock | VideoBlock | QuestionBlock)[];
+}
+export interface TextBlock {
+  id: Cuid;
+  type: "text";
+  text: string;
+}
+export interface VideoBlock {
+  id: Cuid;
+  type: "video";
+  url: string;
+}
+export interface QuestionBlock {
+  id: Cuid;
+  type: "question";
+  answerOptions: AnswerOption[];
+  explanation?: string;
+  successMessage?: string;
+  text?: string;
+}
+export interface AnswerOption {
+  id: Cuid;
+  text: string;
+  isRight: boolean;
+}
diff --git a/content-schema/schemas/lesson.schema.json b/content-schema/schemas/lesson.schema.json
new file mode 100644
index 0000000..e3a6e09
--- /dev/null
+++ b/content-schema/schemas/lesson.schema.json
@@ -0,0 +1,106 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "type": "object",
+  "required": ["id", "title", "blocks"],
+  "properties": {
+    "id": {
+      "$ref": "#/definitions/cuid"
+    },
+    "title": {
+      "type": "string"
+    },
+    "shortDescription": {
+      "type": "string"
+    },
+    "blocks": {
+      "type": "array",
+      "items": {
+        "oneOf": [
+          { "$ref": "#/block/textBlock" },
+          { "$ref": "#/block/videoBlock" },
+          { "$ref": "#/block/questionBlock" }
+        ]
+      }
+    }
+  },
+  "additionalProperties": false,
+  "block": {
+    "textBlock": {
+      "required": ["id", "type", "text"],
+      "properties": {
+        "id": {
+          "$ref": "#/definitions/cuid"
+        },
+        "type": {
+          "const": "text"
+        },
+        "text": {
+          "type": "string"
+        }
+      },
+      "additionalProperties": false
+    },
+    "videoBlock": {
+      "required": ["id", "type", "url"],
+      "properties": {
+        "id": {
+          "$ref": "#/definitions/cuid"
+        },
+        "type": {
+          "const": "video"
+        },
+        "url": {
+          "type": "string"
+        }
+      },
+      "additionalProperties": false
+    },
+    "questionBlock": {
+      "required": ["id", "type", "answerOptions"],
+      "properties": {
+        "id": {
+          "$ref": "#/definitions/cuid"
+        },
+        "type": {
+          "const": "question"
+        },
+        "answerOptions": {
+          "type": "array",
+          "items": { "$ref": "#/definitions/answerOption" }
+        },
+        "explanation": {
+          "type": "string"
+        },
+        "successMessage": {
+          "type": "string"
+        },
+        "text": {
+          "type": "string"
+        }
+      },
+      "additionalProperties": false
+    }
+  },
+  "definitions": {
+    "cuid": {
+      "type": "string",
+      "title": "cuid"
+    },
+    "answerOption": {
+      "type": "object",
+      "required": ["id", "text", "isRight"],
+      "properties": {
+        "id": {
+          "$ref": "#/definitions/cuid"
+        },
+        "text": {
+          "type": "string"
+        },
+        "isRight": {
+          "type": "boolean"
+        }
+      },
+      "additionalProperties": false
+    }
+  }
+}
diff --git a/content-schema/schemas/manifest.schema.d.ts b/content-schema/schemas/manifest.schema.d.ts
new file mode 100644
index 0000000..acd2a1c
--- /dev/null
+++ b/content-schema/schemas/manifest.schema.d.ts
@@ -0,0 +1,10 @@
+/* eslint-disable */
+/**
+ * This file was automatically generated by json-schema-to-typescript.
+ * DO NOT MODIFY IT BY HAND. Instead, modify the source JSONSchema file,
+ * and run json-schema-to-typescript to regenerate this file.
+ */
+
+export interface Manifest {
+  courses: string[];
+}
diff --git a/content-schema/schemas/manifest.schema.json b/content-schema/schemas/manifest.schema.json
new file mode 100644
index 0000000..50fd38f
--- /dev/null
+++ b/content-schema/schemas/manifest.schema.json
@@ -0,0 +1,14 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "type": "object",
+  "properties": {
+    "courses": {
+      "type": "array",
+      "items": {
+        "type": "string"
+      }
+    }
+  },
+  "additionalProperties": false,
+  "required": ["courses"]
+}
diff --git a/content-schema/scripts/generate-schema-types.ts b/content-schema/scripts/generate-schema-types.ts
new file mode 100644
index 0000000..5717995
--- /dev/null
+++ b/content-schema/scripts/generate-schema-types.ts
@@ -0,0 +1,41 @@
+import fs from "fs";
+import path from "path";
+import { compileFromFile } from "json-schema-to-typescript";
+import chokidar from "chokidar";
+
+async function convertSchemaToType(file: string): Promise<void> {
+  try {
+    const ts: string = await compileFromFile(file);
+    fs.writeFileSync(
+      path.join(path.dirname(file), path.basename(file, ".json") + ".d.ts"),
+      ts
+    );
+    console.log(`Converted: ${file}`);
+  } catch (error) {
+    console.error(`Error during file conversion ${file}:`, error);
+  }
+}
+
+function watchSchemas(relativePath: string): void {
+  const directory: string = path.join(process.cwd(), relativePath);
+
+  const watcher = chokidar.watch(path.join(directory, "*.json"), {
+    ignored: /^\./,
+    persistent: true,
+    ignoreInitial: false,
+  });
+
+  watcher
+    .on("add", async (file) => {
+      console.log(`New file found: ${file}`);
+      await convertSchemaToType(file);
+    })
+    .on("change", async (file) => {
+      console.log(`Changes detected in the file: ${file}`);
+      await convertSchemaToType(file);
+    });
+}
+
+// Using a command line argument to specify a relative path
+const relativePath: string = process.argv[2];
+watchSchemas(relativePath);
diff --git a/content-schema/scripts/replace-cuid.ts b/content-schema/scripts/replace-cuid.ts
new file mode 100644
index 0000000..30bcd1e
--- /dev/null
+++ b/content-schema/scripts/replace-cuid.ts
@@ -0,0 +1,40 @@
+import fs from "fs";
+import path from "path";
+import chokidar from "chokidar";
+import cuid from "cuid";
+
+function replaceCuidInFile(file: string) {
+  try {
+    let content = fs.readFileSync(file, "utf8");
+    const updatedContent = content.replace(/{cuid}/g, () => cuid());
+
+    if (content !== updatedContent) {
+      fs.writeFileSync(file, updatedContent, "utf8");
+      console.log(`Updated: ${file}`);
+    }
+  } catch (error) {
+    console.error(`Error when updating a file ${file}:`, error);
+  }
+}
+
+function watchYAMLFiles(relativePath: string) {
+  const directory = path.join(process.cwd(), relativePath);
+  const watcher = chokidar.watch(path.join(directory, "**/*.yaml"), {
+    ignored: /^\./,
+    persistent: true,
+    ignoreInitial: false,
+  });
+
+  watcher.on("add", (file) => {
+    replaceCuidInFile(file);
+  });
+
+  // Processing when a file is changed
+  watcher.on("change", (file) => {
+    replaceCuidInFile(file);
+  });
+}
+
+// Using a command line argument to specify a relative path
+const relativePath: string = process.argv[2]; // The default is './test-structure'
+watchYAMLFiles(relativePath);
diff --git a/content-schema/scripts/validate.ts b/content-schema/scripts/validate.ts
new file mode 100644
index 0000000..d2d5c87
--- /dev/null
+++ b/content-schema/scripts/validate.ts
@@ -0,0 +1,136 @@
+import fs from "fs";
+import path from "path";
+import chokidar from "chokidar";
+import * as Yaml from "yaml";
+import Ajv from "ajv";
+import { Lesson } from "../schemas/lesson.schema";
+import { Course } from "../schemas/course.schema";
+import { Manifest } from "../schemas/manifest.schema";
+
+export class ContentParser {
+  private ajv = new Ajv({
+    strict: false,
+  });
+
+  async parse<T>(text: string, schema: object) {
+    const resultObject: unknown = await Yaml.parse(text);
+
+    if (this.ajv.validate(schema, resultObject)) {
+      return resultObject as T;
+    } else {
+      console.log(this.ajv.errors);
+      throw this.ajv.errors;
+    }
+  }
+}
+
+const contentParser = new ContentParser();
+
+// CHECK IDS
+let ids = new Set<string>();
+
+const checkIds = (obj: any, context: string, path = "") => {
+  if (obj && typeof obj === "object") {
+    if (obj.id) {
+      if (ids.has(obj.id)) {
+        console.error(
+          `Duplicate ID found: ${obj.id} in ${context} path: ${path}`
+        );
+      } else {
+        ids.add(obj.id);
+      }
+    }
+    Object.entries(obj).forEach(([key, value]) =>
+      checkIds(value, `${path}.${key}`, context)
+    );
+  }
+};
+
+// VALIDATE SCHEMA
+
+const lessonSchema = JSON.parse(
+  fs.readFileSync(path.resolve(__dirname, "../schemas/lesson.schema.json"), {
+    encoding: "utf8",
+  })
+);
+const courseSchema = JSON.parse(
+  fs.readFileSync(path.resolve(__dirname, "../schemas/course.schema.json"), {
+    encoding: "utf8",
+  })
+);
+const manifestSchema = JSON.parse(
+  fs.readFileSync(path.resolve(__dirname, "../schemas/manifest.schema.json"), {
+    encoding: "utf8",
+  })
+);
+
+async function validateLesson(file: string) {
+  const lesson = await contentParser.parse<Lesson>(
+    fs.readFileSync(file, "utf8"),
+    lessonSchema
+  );
+
+  checkIds(lesson, file);
+  return lesson;
+}
+
+async function validateCourse(file: string) {
+  const course = await contentParser.parse<Course>(
+    fs.readFileSync(file, "utf8"),
+    courseSchema
+  );
+  checkIds(course, file);
+  return course;
+}
+
+async function validateManifest(file: string) {
+  const manifest = await contentParser.parse<Manifest>(
+    fs.readFileSync(file, "utf8"),
+    manifestSchema
+  );
+  return manifest;
+}
+
+async function scanDirectory(directoryPath: string) {
+  ids = new Set();
+
+  const manifest = await validateManifest(`${directoryPath}/manifest.yaml`);
+
+  for (const coursePath of manifest.courses) {
+    const course = await validateCourse(
+      `${directoryPath}/courses/${coursePath}/course.yaml`
+    );
+
+    for (const lessonPath of course.lessons) {
+      await validateLesson(
+        `${directoryPath}/courses/${coursePath}/lessons/${lessonPath}/lesson.yaml`
+      );
+    }
+  }
+
+  console.log("All files are valid");
+}
+
+function watchYAMLFiles(relativePath: string) {
+  const directory = path.join(process.cwd(), relativePath);
+  const watcher = chokidar.watch(path.join(directory, "**/*.yaml"), {
+    ignored: /^\./,
+    persistent: true,
+    ignoreInitial: false,
+  });
+
+  scanDirectory(directory).catch((e) => {
+    console.error(e);
+  });
+  // Обработка при изменении файла
+  watcher.on("change", async () => {
+    try {
+      await scanDirectory(directory);
+    } catch (error) {
+      console.error(error);
+    }
+  });
+}
+
+const relativePath: string = process.argv[2];
+watchYAMLFiles(relativePath);
diff --git a/content-schema/tsconfig.json b/content-schema/tsconfig.json
new file mode 100644
index 0000000..cd6f29b
--- /dev/null
+++ b/content-schema/tsconfig.json
@@ -0,0 +1,21 @@
+{
+  "compilerOptions": {
+    /* Visit https://aka.ms/tsconfig to read more about this file */
+
+    /* Language and Environment */
+    "target": "es2016",                                  /* Set the JavaScript language version for emitted JavaScript and include compatible library declarations. */
+
+    /* Modules */
+    "module": "commonjs",                                /* Specify what module code is generated. */
+
+    /* Interop Constraints */
+    "esModuleInterop": true,                             /* Emit additional JavaScript to ease support for importing CommonJS modules. This enables 'allowSyntheticDefaultImports' for type compatibility. */
+    "forceConsistentCasingInFileNames": true,            /* Ensure that casing is correct in imports. */
+
+    /* Type Checking */
+    "strict": true,                                      /* Enable all strict type-checking options. */
+
+    /* Completeness */
+    "skipLibCheck": true                                 /* Skip type checking all .d.ts files. */
+  }
+}
diff --git a/package-lock.json b/package-lock.json
index e5594eb..628872b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -8,6 +8,9 @@
       "name": "core",
       "version": "1.0.0",
       "hasInstallScript": true,
+      "workspaces": [
+        "content-schema"
+      ],
       "dependencies": {
         "@auth/prisma-adapter": "^1.0.14",
         "@aws-sdk/client-s3": "^3.490.0",
@@ -76,6 +79,23 @@
         "node": ">=18.11.0"
       }
     },
+    "content-schema": {
+      "name": "@core/content-schema",
+      "version": "1.0.0",
+      "license": "MIT",
+      "dependencies": {
+        "ajv": "^8.12.0",
+        "chokidar": "^3.5.3",
+        "cuid": "^3.0.0",
+        "json-schema-to-typescript": "^13.1.2",
+        "yaml": "^2.3.4"
+      },
+      "devDependencies": {
+        "concurrently": "^8.2.2",
+        "ts-node": "^10.9.2",
+        "typescript": "^5.3.3"
+      }
+    },
     "node_modules/@aashutoshrathi/word-wrap": {
       "version": "1.2.6",
       "resolved": "https://registry.npmjs.org/@aashutoshrathi/word-wrap/-/word-wrap-1.2.6.tgz",
@@ -1626,6 +1646,10 @@
       "integrity": "sha512-0hYQ8SB4Db5zvZB4axdMHGwEaQjkZzFjQiN9LVYvIFB2nSUHW9tYpxWriPrWDASIxiaXax83REcLxuSdnGPZtw==",
       "dev": true
     },
+    "node_modules/@core/content-schema": {
+      "resolved": "content-schema",
+      "link": true
+    },
     "node_modules/@cspotcode/source-map-support": {
       "version": "0.8.1",
       "resolved": "https://registry.npmjs.org/@cspotcode/source-map-support/-/source-map-support-0.8.1.tgz",
@@ -6169,6 +6193,48 @@
       "resolved": "https://registry.npmjs.org/concat-map/-/concat-map-0.0.1.tgz",
       "integrity": "sha512-/Srv4dswyQNBfohGpz9o6Yb3Gz3SrUDqBH5rTuhGR7ahtlbYKnVxw2bCFMRljaA7EXHaXZ8wsHdodFvbkhKmqg=="
     },
+    "node_modules/concurrently": {
+      "version": "8.2.2",
+      "resolved": "https://registry.npmjs.org/concurrently/-/concurrently-8.2.2.tgz",
+      "integrity": "sha512-1dP4gpXFhei8IOtlXRE/T/4H88ElHgTiUzh71YUmtjTEHMSRS2Z/fgOxHSxxusGHogsRfxNq1vyAwxSC+EVyDg==",
+      "dev": true,
+      "dependencies": {
+        "chalk": "^4.1.2",
+        "date-fns": "^2.30.0",
+        "lodash": "^4.17.21",
+        "rxjs": "^7.8.1",
+        "shell-quote": "^1.8.1",
+        "spawn-command": "0.0.2",
+        "supports-color": "^8.1.1",
+        "tree-kill": "^1.2.2",
+        "yargs": "^17.7.2"
+      },
+      "bin": {
+        "conc": "dist/bin/concurrently.js",
+        "concurrently": "dist/bin/concurrently.js"
+      },
+      "engines": {
+        "node": "^14.13.0 || >=16.0.0"
+      },
+      "funding": {
+        "url": "https://github.com/open-cli-tools/concurrently?sponsor=1"
+      }
+    },
+    "node_modules/concurrently/node_modules/supports-color": {
+      "version": "8.1.1",
+      "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-8.1.1.tgz",
+      "integrity": "sha512-MpUEN2OodtUzxvKQl72cUF7RQ5EiHsGvSsVG0ia9c5RbWGL2CI4C7EpPS8UTBIplnlzZiNuV56w+FuNxy3ty2Q==",
+      "dev": true,
+      "dependencies": {
+        "has-flag": "^4.0.0"
+      },
+      "engines": {
+        "node": ">=10"
+      },
+      "funding": {
+        "url": "https://github.com/chalk/supports-color?sponsor=1"
+      }
+    },
     "node_modules/convert-source-map": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/convert-source-map/-/convert-source-map-2.0.0.tgz",
@@ -6305,6 +6371,22 @@
         "node": ">=12"
       }
     },
+    "node_modules/date-fns": {
+      "version": "2.30.0",
+      "resolved": "https://registry.npmjs.org/date-fns/-/date-fns-2.30.0.tgz",
+      "integrity": "sha512-fnULvOpxnC5/Vg3NCiWelDsLiUc9bRwAPs/+LfTLNvetFCtCTN+yQz15C/fs4AwX1R9K5GLtLfn8QW+dWisaAw==",
+      "dev": true,
+      "dependencies": {
+        "@babel/runtime": "^7.21.0"
+      },
+      "engines": {
+        "node": ">=0.11"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/date-fns"
+      }
+    },
     "node_modules/dateformat": {
       "version": "4.6.3",
       "resolved": "https://registry.npmjs.org/dateformat/-/dateformat-4.6.3.tgz",
@@ -13096,6 +13178,15 @@
         "queue-microtask": "^1.2.2"
       }
     },
+    "node_modules/rxjs": {
+      "version": "7.8.1",
+      "resolved": "https://registry.npmjs.org/rxjs/-/rxjs-7.8.1.tgz",
+      "integrity": "sha512-AA3TVj+0A2iuIoQkWEK/tqFjBq2j+6PO6Y0zJcvzLAFhEFIO3HL0vls9hWLncZbAAbK0mar7oZ4V079I/qPMxg==",
+      "dev": true,
+      "dependencies": {
+        "tslib": "^2.1.0"
+      }
+    },
     "node_modules/safe-array-concat": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/safe-array-concat/-/safe-array-concat-1.0.1.tgz",
@@ -13259,6 +13350,15 @@
         "node": ">=8"
       }
     },
+    "node_modules/shell-quote": {
+      "version": "1.8.1",
+      "resolved": "https://registry.npmjs.org/shell-quote/-/shell-quote-1.8.1.tgz",
+      "integrity": "sha512-6j1W9l1iAs/4xYBI1SYOVZyFcCis9b4KCLQ8fgAGG07QvzaRLVVRQvAy85yNmmZSjYjg4MWh4gNvlPujU/5LpA==",
+      "dev": true,
+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
+      }
+    },
     "node_modules/side-channel": {
       "version": "1.0.4",
       "resolved": "https://registry.npmjs.org/side-channel/-/side-channel-1.0.4.tgz",
@@ -13338,6 +13438,12 @@
         "url": "https://github.com/sponsors/wooorm"
       }
     },
+    "node_modules/spawn-command": {
+      "version": "0.0.2",
+      "resolved": "https://registry.npmjs.org/spawn-command/-/spawn-command-0.0.2.tgz",
+      "integrity": "sha512-zC8zGoGkmc8J9ndvml8Xksr1Amk9qBujgbF0JAIWO7kXr43w0h/0GJNM/Vustixu+YE8N/MTrQ7N31FvHUACxQ==",
+      "dev": true
+    },
     "node_modules/split2": {
       "version": "4.2.0",
       "resolved": "https://registry.npmjs.org/split2/-/split2-4.2.0.tgz",
@@ -13893,6 +13999,15 @@
         "node": ">=12"
       }
     },
+    "node_modules/tree-kill": {
+      "version": "1.2.2",
+      "resolved": "https://registry.npmjs.org/tree-kill/-/tree-kill-1.2.2.tgz",
+      "integrity": "sha512-L0Orpi8qGpRG//Nd+H90vFB+3iHnue1zSSGmNOOCh1GLJ7rUKVwV2HvijphGQS2UmhUZewS9VgvxYIdgr+fG1A==",
+      "dev": true,
+      "bin": {
+        "tree-kill": "cli.js"
+      }
+    },
     "node_modules/trim-lines": {
       "version": "3.0.1",
       "resolved": "https://registry.npmjs.org/trim-lines/-/trim-lines-3.0.1.tgz",
@@ -14098,9 +14213,9 @@
       }
     },
     "node_modules/typescript": {
-      "version": "5.3.2",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.3.2.tgz",
-      "integrity": "sha512-6l+RyNy7oAHDfxC4FzSJcz9vnjTKxrLpDG5M2Vu4SHRVNg6xzqZp6LYSR9zjqQTu8DU/f5xwxUdADOkbrIX2gQ==",
+      "version": "5.4.2",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.4.2.tgz",
+      "integrity": "sha512-+2/g0Fds1ERlP6JsakQQDXjZdZMM+rqpamFZJEKh4kwTIn3iDkgKtby0CeNd5ATNZ4Ry1ax15TMx0W2V+miizQ==",
       "devOptional": true,
       "bin": {
         "tsc": "bin/tsc",
diff --git a/package.json b/package.json
index e44d17c..babb954 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,7 @@
 {
   "name": "core",
   "version": "1.0.0",
+  "workspaces": ["content-schema"],
   "private": true,
   "scripts": {
     "postinstall": "patch-package",
@@ -12,7 +13,8 @@
     "test": "jest",
     "prettier": "prettier -w .",
     "test:e2e": "npx prisma migrate reset --force && playwright test",
-    "upload-content-schema": "ts-node --project tsconfig.script.json ./scripts/upload-content-schema https://raw.githubusercontent.com/micro-course/content-schema/main/schemas/ ./src/shared/api/content/schemas"
+    "upload-content-schema": "ts-node --project tsconfig.script.json ./scripts/upload-content-schema https://raw.githubusercontent.com/ArturW1998/course-app/main/content-schema/schemas/ ./src/shared/api/content/schemas",
+    "dev:content-schema": "npm run dev --workspace=@core/content-schema"
   },
   "prisma": {
     "seed": "ts-node --project tsconfig.script.json prisma/seed.ts"