diff --git a/.github/mcp-observatory/sequential-thinking.target.json b/.github/mcp-observatory/sequential-thinking.target.json
new file mode 100644
index 0000000000..c8d713de5a
--- /dev/null
+++ b/.github/mcp-observatory/sequential-thinking.target.json
@@ -0,0 +1,13 @@
+{
+  "targetId": "sequential-thinking",
+  "adapter": "local-process",
+  "command": "npx",
+  "args": [
+    "-y",
+    "@modelcontextprotocol/server-sequential-thinking@latest"
+  ],
+  "timeoutMs": 30000,
+  "metadata": {
+    "observatory": "certification-pr"
+  }
+}
diff --git a/.github/workflows/mcp-observatory.yml b/.github/workflows/mcp-observatory.yml
new file mode 100644
index 0000000000..7af1b0a17e
--- /dev/null
+++ b/.github/workflows/mcp-observatory.yml
@@ -0,0 +1,20 @@
+name: MCP Observatory
+
+on:
+  pull_request:
+  push:
+    branches: [main]
+
+jobs:
+  mcp-observatory:
+    runs-on: ubuntu-latest
+    timeout-minutes: 5
+    steps:
+      - uses: actions/checkout@v4
+      - uses: KryptosAI/mcp-observatory/action@main
+        with:
+          target: .github/mcp-observatory/sequential-thinking.target.json
+          deep: false
+          security: true
+          comment-on-pr: false
+          set-status: false