diff --git a/.github/workflows/spell-check.yml b/.github/workflows/spell-check.yml
new file mode 100644
index 0000000..1e35175
--- /dev/null
+++ b/.github/workflows/spell-check.yml
@@ -0,0 +1,32 @@
+# Copyright 2025 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+name: markdown
+
+on:
+  pull_request:
+    branches: [ main ]
+    paths:
+      - 'ALLOYDB.md'
+
+jobs:
+  spell-check:
+    name: Run spell checker
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out code
+        uses: actions/checkout@v4
+
+      - name: Markdown
+        uses: rojopolis/spellcheck-github-actions@v0
diff --git a/.spellcheck.yml b/.spellcheck.yml
new file mode 100644
index 0000000..aa8f9cf
--- /dev/null
+++ b/.spellcheck.yml
@@ -0,0 +1,14 @@
+# This is the configuration file for pyspelling
+# The rojopolis/spellcheck-github-actions action will read this file
+
+matrix:
+  - name: markdown
+    aspell:
+      lang: en
+      ignore-case: true
+    sources:
+      - 'ALLOYDB.md'
+    dictionary:
+      wordlists:
+        - dictionary.txt
+      encoding: utf-8
diff --git a/dictionary.txt b/dictionary.txt
new file mode 100644
index 0000000..bdfee01
--- /dev/null
+++ b/dictionary.txt
@@ -0,0 +1,13 @@
+AlloyDB
+PostgreSQL
+POSTGRES
+stdio
+prebuilt
+mcpServers
+CLI
+GCP
+IAM
+MCP
+AI
+embeddings
+https
\ No newline at end of file