diff --git a/.gitignore b/.gitignore
index 46fdbd6..8b8cadf 100644
--- a/.gitignore
+++ b/.gitignore
@@ -52,4 +52,7 @@ coverage/
 # Misc
 *.png
 !landing-page/assets/onui-mark-128.png
+!packages/extension/public/icons/icon16.png
+!packages/extension/public/icons/icon48.png
+!packages/extension/public/icons/icon128.png
 *.mov
diff --git a/package.json b/package.json
index 8f222ee..060b72c 100644
--- a/package.json
+++ b/package.json
@@ -12,11 +12,11 @@
     "build": "pnpm --filter @onui/extension build",
     "build:all": "pnpm --filter @onui/core build && pnpm --filter @onui/mcp-server build && pnpm --filter @onui/extension build",
     "test": "pnpm test:all",
-    "test:all": "pnpm --filter @onui/mcp-server test && pnpm --filter @onui/extension test",
+    "test:all": "pnpm --filter @onui/core build && pnpm --filter @onui/mcp-server run test && pnpm --filter @onui/extension test",
     "test:extension": "pnpm --filter @onui/extension test",
-    "test:mcp": "pnpm --filter @onui/mcp-server test",
-    "test:coverage": "pnpm --filter @onui/mcp-server test:coverage && pnpm --filter @onui/extension test:coverage",
-    "typecheck": "pnpm --filter @onui/core typecheck && pnpm --filter @onui/mcp-server typecheck && pnpm --filter @onui/extension typecheck",
+    "test:mcp": "pnpm --filter @onui/core build && pnpm --filter @onui/mcp-server run test",
+    "test:coverage": "pnpm --filter @onui/core build && pnpm --filter @onui/mcp-server run test:coverage && pnpm --filter @onui/extension test:coverage",
+    "typecheck": "pnpm --filter @onui/core build && pnpm --filter @onui/core typecheck && pnpm --filter @onui/mcp-server run typecheck && pnpm --filter @onui/extension typecheck",
     "check": "pnpm typecheck && pnpm test:all && pnpm build:all",
     "build:mcp": "pnpm --filter @onui/mcp-server build",
     "setup:mcp": "pnpm --filter @onui/mcp-server run setup",
diff --git a/packages/extension/public/icons/icon128.png b/packages/extension/public/icons/icon128.png
new file mode 100644
index 0000000..fde4ed0
Binary files /dev/null and b/packages/extension/public/icons/icon128.png differ
diff --git a/packages/extension/public/icons/icon16.png b/packages/extension/public/icons/icon16.png
new file mode 100644
index 0000000..a892acf
Binary files /dev/null and b/packages/extension/public/icons/icon16.png differ
diff --git a/packages/extension/public/icons/icon48.png b/packages/extension/public/icons/icon48.png
new file mode 100644
index 0000000..0bb623c
Binary files /dev/null and b/packages/extension/public/icons/icon48.png differ