diff --git a/packages/core/package.json b/packages/core/package.json
index 5e492b6..b020c0c 100644
--- a/packages/core/package.json
+++ b/packages/core/package.json
@@ -19,6 +19,7 @@
   "devDependencies": {
     "@repo/eslint-config": "workspace:*",
     "@repo/typescript-config": "workspace:*",
+    "@types/node": "^25.5.2",
     "vitest": "^3.1.0"
   }
 }
diff --git a/packages/core/src/index.ts b/packages/core/src/index.ts
index b2cb5e7..195f5b8 100644
--- a/packages/core/src/index.ts
+++ b/packages/core/src/index.ts
@@ -1,3 +1,22 @@
 // @repo/core — Clean Architecture core package
-// Layers: entities, application, infrastructure, interface-adapters, di
-export {};
+export * from "./entities/index.js";
+export * from "./application/repositories/index.js";
+export * from "./application/services/index.js";
+export { signInUseCase } from "./application/use-cases/auth/sign-in.use-case.js";
+export { signUpUseCase } from "./application/use-cases/auth/sign-up.use-case.js";
+export { signOutUseCase } from "./application/use-cases/auth/sign-out.use-case.js";
+export { createArticleUseCase } from "./application/use-cases/content/create-article.use-case.js";
+export { getArticlesUseCase } from "./application/use-cases/content/get-articles.use-case.js";
+export { signInController } from "./interface-adapters/controllers/auth/sign-in.controller.js";
+export { signUpController } from "./interface-adapters/controllers/auth/sign-up.controller.js";
+export { signOutController } from "./interface-adapters/controllers/auth/sign-out.controller.js";
+export {
+  createArticleController,
+  getArticlesController,
+} from "./interface-adapters/controllers/content/articles.controller.js";
+export {
+  getInjection,
+  initializeContainer,
+  destroyContainer,
+} from "./di/container.js";
+export { DI_SYMBOLS } from "./di/types.js";
diff --git a/packages/core/tsconfig.json b/packages/core/tsconfig.json
index fd3ed84..498e915 100644
--- a/packages/core/tsconfig.json
+++ b/packages/core/tsconfig.json
@@ -5,7 +5,7 @@
     "paths": {
       "@/*": ["./src/*"]
     },
-    "types": ["reflect-metadata"]
+    "types": ["reflect-metadata", "node"]
   },
   "include": ["src/**/*.ts"],
   "exclude": ["node_modules", "dist"]
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 2a6b75d..17aac34 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -130,9 +130,12 @@ importers:
       '@repo/typescript-config':
         specifier: workspace:*
         version: link:../typescript-config
+      '@types/node':
+        specifier: ^25.5.2
+        version: 25.5.2
       vitest:
         specifier: ^3.1.0
-        version: 3.2.4
+        version: 3.2.4(@types/node@25.5.2)
 
   packages/eslint-config:
     devDependencies:
@@ -562,6 +565,9 @@ packages:
   '@types/json-schema@7.0.15':
     resolution: {integrity: sha512-5+fP8P8MFNC+AyZCDxrB2pkZFPGzqQWUzpSeuuVLvm8VMcorNYavBqoFcxK8bQz4Qsbn4oUEEem4wDLfcysGHA==}
 
+  '@types/node@25.5.2':
+    resolution: {integrity: sha512-tO4ZIRKNC+MDWV4qKVZe3Ql/woTnmHDr5JD8UI5hn2pwBrHEwOEMZK7WlNb5RKB6EoJ02gwmQS9OrjuFnZYdpg==}
+
   '@typescript-eslint/eslint-plugin@8.58.0':
     resolution: {integrity: sha512-RLkVSiNuUP1C2ROIWfqX+YcUfLaSnxGE/8M+Y57lopVwg9VTYYfhuz15Yf1IzCKgZj6/rIbYTmJCUSqr76r0Wg==}
     engines: {node: ^18.18.0 || ^20.9.0 || >=21.1.0}
@@ -1107,6 +1113,9 @@ packages:
     engines: {node: '>=14.17'}
     hasBin: true
 
+  undici-types@7.18.2:
+    resolution: {integrity: sha512-AsuCzffGHJybSaRrmr5eHr81mwJU3kjw6M+uprWvCXiNeN9SOGwQ3Jn8jb8m3Z6izVgknn1R0FTCEAP2QrLY/w==}
+
   uri-js@4.4.1:
     resolution: {integrity: sha512-7rKUyy33Q1yc98pQ1DAmLtwX109F7TIfWlW1Ydo8Wl1ii1SeHieeh0HHfPeL2fMXK6z0s8ecKs9frCuLJvndBg==}
 
@@ -1460,6 +1469,10 @@ snapshots:
 
   '@types/json-schema@7.0.15': {}
 
+  '@types/node@25.5.2':
+    dependencies:
+      undici-types: 7.18.2
+
   '@typescript-eslint/eslint-plugin@8.58.0(@typescript-eslint/parser@8.58.0(eslint@9.39.4)(typescript@5.9.3))(eslint@9.39.4)(typescript@5.9.3)':
     dependencies:
       '@eslint-community/regexpp': 4.12.2
@@ -1559,13 +1572,13 @@ snapshots:
       chai: 5.3.3
       tinyrainbow: 2.0.0
 
-  '@vitest/mocker@3.2.4(vite@7.3.2)':
+  '@vitest/mocker@3.2.4(vite@7.3.2(@types/node@25.5.2))':
     dependencies:
       '@vitest/spy': 3.2.4
       estree-walker: 3.0.3
       magic-string: 0.30.21
     optionalDependencies:
-      vite: 7.3.2
+      vite: 7.3.2(@types/node@25.5.2)
 
   '@vitest/pretty-format@3.2.4':
     dependencies:
@@ -2047,17 +2060,19 @@ snapshots:
 
   typescript@5.9.3: {}
 
+  undici-types@7.18.2: {}
+
   uri-js@4.4.1:
     dependencies:
       punycode: 2.3.1
 
-  vite-node@3.2.4:
+  vite-node@3.2.4(@types/node@25.5.2):
     dependencies:
       cac: 6.7.14
       debug: 4.4.3
       es-module-lexer: 1.7.0
       pathe: 2.0.3
-      vite: 7.3.2
+      vite: 7.3.2(@types/node@25.5.2)
     transitivePeerDependencies:
       - '@types/node'
       - jiti
@@ -2072,7 +2087,7 @@ snapshots:
       - tsx
       - yaml
 
-  vite@7.3.2:
+  vite@7.3.2(@types/node@25.5.2):
     dependencies:
       esbuild: 0.27.7
       fdir: 6.5.0(picomatch@4.0.4)
@@ -2081,13 +2096,14 @@ snapshots:
       rollup: 4.60.1
       tinyglobby: 0.2.15
     optionalDependencies:
+      '@types/node': 25.5.2
       fsevents: 2.3.3
 
-  vitest@3.2.4:
+  vitest@3.2.4(@types/node@25.5.2):
     dependencies:
       '@types/chai': 5.2.3
       '@vitest/expect': 3.2.4
-      '@vitest/mocker': 3.2.4(vite@7.3.2)
+      '@vitest/mocker': 3.2.4(vite@7.3.2(@types/node@25.5.2))
       '@vitest/pretty-format': 3.2.4
       '@vitest/runner': 3.2.4
       '@vitest/snapshot': 3.2.4
@@ -2105,9 +2121,11 @@ snapshots:
       tinyglobby: 0.2.15
       tinypool: 1.1.1
       tinyrainbow: 2.0.0
-      vite: 7.3.2
-      vite-node: 3.2.4
+      vite: 7.3.2(@types/node@25.5.2)
+      vite-node: 3.2.4(@types/node@25.5.2)
       why-is-node-running: 2.3.0
+    optionalDependencies:
+      '@types/node': 25.5.2
     transitivePeerDependencies:
       - jiti
       - less