diff --git a/apps/server/package.json b/apps/server/package.json
index eda6b13..da08937 100644
--- a/apps/server/package.json
+++ b/apps/server/package.json
@@ -4,6 +4,10 @@
   "private": true,
   "type": "module",
   "description": "EPPP public server application. Bootstrap placeholder — the Fastify 5 application shell lands in a later story.",
+  "scripts": {
+    "build": "tsc -p tsconfig.json",
+    "typecheck": "tsc -p tsconfig.json --noEmit"
+  },
   "main": "./dist/index.js",
   "types": "./dist/index.d.ts",
   "exports": {
diff --git a/extensions/example/package.json b/extensions/example/package.json
index b81568b..5e6c9c4 100644
--- a/extensions/example/package.json
+++ b/extensions/example/package.json
@@ -4,6 +4,10 @@
   "private": true,
   "type": "module",
   "description": "Placeholder extension that exercises the extensions/ workspace group. Real extensions (e.g. theme-amber) replace it in later stories.",
+  "scripts": {
+    "build": "tsc -p tsconfig.json",
+    "typecheck": "tsc -p tsconfig.json --noEmit"
+  },
   "main": "./dist/index.js",
   "types": "./dist/index.d.ts",
   "exports": {
diff --git a/package.json b/package.json
index 55bf2f8..65f155f 100644
--- a/package.json
+++ b/package.json
@@ -4,5 +4,13 @@
   "private": true,
   "type": "module",
   "description": "EPPP — a modular personal blogging platform. Workspace bootstrap (E00-S01).",
+  "scripts": {
+    "build": "pnpm -r run build",
+    "test": "node --test \"tests/**/*.test.mjs\"",
+    "typecheck": "pnpm -r run typecheck"
+  },
+  "devDependencies": {
+    "typescript": "6.0.3"
+  },
   "packageManager": "pnpm@11.23.0"
 }
diff --git a/packages/core/package.json b/packages/core/package.json
index 14ad9df..8a63217 100644
--- a/packages/core/package.json
+++ b/packages/core/package.json
@@ -4,6 +4,10 @@
   "private": true,
   "type": "module",
   "description": "EPPP application core. Bootstrap placeholder — owns application lifecycle, site identity and content primitives in later stories.",
+  "scripts": {
+    "build": "tsc -p tsconfig.json",
+    "typecheck": "tsc -p tsconfig.json --noEmit"
+  },
   "main": "./dist/index.js",
   "types": "./dist/index.d.ts",
   "exports": {
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 708f202..7b797de 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -6,10 +6,25 @@ settings:
 
 importers:
 
-  .: {}
+  .:
+    devDependencies:
+      typescript:
+        specifier: 6.0.3
+        version: 6.0.3
 
   apps/server: {}
 
   extensions/example: {}
 
   packages/core: {}
+
+packages:
+
+  typescript@6.0.3:
+    resolution: {integrity: sha512-y2TvuxSZPDyQakkFRPZHKFm+KKVqIisdg9/CZwm9ftvKXLP8NRWj38/ODjNbr43SsoXqNuAisEf1GdCxqWcdBw==}
+    engines: {node: '>=14.17'}
+    hasBin: true
+
+snapshots:
+
+  typescript@6.0.3: {}