diff --git a/.gitea/actions/core-smoke-tests/action.yml b/.gitea/actions/core-smoke-tests/action.yml
new file mode 100644
index 0000000..879a288
--- /dev/null
+++ b/.gitea/actions/core-smoke-tests/action.yml
@@ -0,0 +1,41 @@
+name: "Mintel Core Smoke Tests"
+description: "Executes standard fast HTTP, API, and Locale validation checks."
+
+inputs:
+  TARGET_URL:
+    description: 'The deployed URL to test against'
+    required: true
+  GATEKEEPER_PASSWORD:
+    description: 'Gatekeeper bypass password'
+    required: true
+  UMAMI_API_ENDPOINT:
+    description: 'Umami Analytics Endpoint'
+    required: false
+    default: 'https://analytics.infra.mintel.me'
+  SENTRY_DSN:
+    description: 'Sentry / Glitchtip DSN'
+    required: false
+
+runs:
+  using: "composite"
+  steps:
+    - name: 🌐 Full Sitemap HTTP Validation
+      shell: bash
+      env:
+        NEXT_PUBLIC_BASE_URL: ${{ inputs.TARGET_URL }}
+        GATEKEEPER_PASSWORD: ${{ inputs.GATEKEEPER_PASSWORD }}
+      run: pnpm run check:http
+
+    - name: 🌐 Locale & Language Switcher Validation
+      shell: bash
+      env:
+        NEXT_PUBLIC_BASE_URL: ${{ inputs.TARGET_URL }}
+        GATEKEEPER_PASSWORD: ${{ inputs.GATEKEEPER_PASSWORD }}
+      run: pnpm run check:locale
+
+    - name: 🌐 External API Smoke Test (Umami & Sentry)
+      shell: bash
+      env:
+        UMAMI_API_ENDPOINT:  ${{ inputs.UMAMI_API_ENDPOINT }}
+        SENTRY_DSN:          ${{ inputs.SENTRY_DSN }}
+      run: pnpm run check:apis