diff --git a/integrations/catalog-index.js b/integrations/catalog-index.js
index 0f56160c..06976ec6 100644
--- a/integrations/catalog-index.js
+++ b/integrations/catalog-index.js
@@ -77,6 +77,7 @@ import entry71 from "./catalog/resend.json" with { type: "json" };
 import entry72 from "./catalog/sequential-thinking.json" with { type: "json" };
 import entry73 from "./catalog/superhuman-mail.json" with { type: "json" };
 import entry74 from "./catalog/time.json" with { type: "json" };
+import entry75 from "./catalog/xquik.json" with { type: "json" };
 
 export const INTEGRATION_CATALOG_ENTRIES = [
   entry0,
@@ -154,4 +155,5 @@ export const INTEGRATION_CATALOG_ENTRIES = [
   entry72,
   entry73,
   entry74,
+  entry75,
 ];
diff --git a/integrations/catalog/xquik.json b/integrations/catalog/xquik.json
new file mode 100644
index 00000000..f634bbc4
--- /dev/null
+++ b/integrations/catalog/xquik.json
@@ -0,0 +1,67 @@
+{
+  "id": "xquik",
+  "name": "Xquik",
+  "description": "Search X data, monitor activity, and manage X workflows from your agent.",
+  "categories": [
+    "Social media",
+    "Automation"
+  ],
+  "appUrl": "https://xquik.com",
+  "docsUrl": "https://docs.xquik.com/mcp/overview",
+  "notes": "OAuth 2.1 is preferred. API keys are a client-specific fallback. Xquik is an independent third-party service. Not affiliated with X Corp. \"Twitter\" and \"X\" are trademarks of X Corp.",
+  "iconBg": "#5C3327",
+  "logoUrl": "https://xquik.com/icons/mcp/xquik.png",
+  "keywords": [
+    "x",
+    "twitter",
+    "social",
+    "tweets",
+    "monitoring"
+  ],
+  "installHint": "Prefer OAuth 2.1. Use an Xquik API key only when your client provides secure bearer-token storage.",
+  "connectionOptions": [
+    {
+      "id": "oauth",
+      "provider": "mcp",
+      "transport": {
+        "kind": "shttp",
+        "url": "https://xquik.com/mcp"
+      },
+      "auth": {
+        "strategy": "oauth2",
+        "oauth": {
+          "authorizationUrl": "https://xquik.com/api/oauth/authorize",
+          "tokenUrl": "https://xquik.com/api/oauth/token",
+          "registrationUrl": "https://xquik.com/api/oauth/register",
+          "scopes": [
+            "mcp:tools"
+          ],
+          "pkce": true,
+          "clientAuthentication": "none",
+          "additionalAuthorizationParams": {
+            "resource": "https://xquik.com/mcp"
+          },
+          "additionalTokenParams": {
+            "resource": "https://xquik.com/mcp"
+          }
+        }
+      }
+    },
+    {
+      "id": "api-key",
+      "provider": "mcp",
+      "transport": {
+        "kind": "shttp",
+        "url": "https://xquik.com/mcp"
+      },
+      "auth": {
+        "strategy": "bearer",
+        "credentialLabel": "Xquik API key",
+        "credentialPlaceholder": "Paste your Xquik API key",
+        "credentialHelp": "Create an API key at https://dashboard.xquik.com/en/account?tab=api-keys. It is sent as Authorization: Bearer <token>.",
+        "credentialSecretName": "XQUIK_API_KEY",
+        "saveCredentialAsSecretByDefault": true
+      }
+    }
+  ]
+}
diff --git a/scripts/build-integration-catalog.mjs b/scripts/build-integration-catalog.mjs
index 6dd42789..f40f7b34 100644
--- a/scripts/build-integration-catalog.mjs
+++ b/scripts/build-integration-catalog.mjs
@@ -16,6 +16,17 @@ const integrations = await Promise.all(
   })),
 );
 
+const fileByIntegrationId = new Map();
+for (const { entry, file } of integrations) {
+  const existingFile = fileByIntegrationId.get(entry.id);
+  if (existingFile !== undefined) {
+    throw new Error(
+      `Duplicate integration id "${entry.id}" in ${existingFile} and ${file}.`,
+    );
+  }
+  fileByIntegrationId.set(entry.id, file);
+}
+
 integrations.sort((left, right) => {
   const rank = (right.entry.popularityRank ?? -1) - (left.entry.popularityRank ?? -1);
   return rank || left.entry.id.localeCompare(right.entry.id);
diff --git a/tests/test_integration_catalog_in_sync.py b/tests/test_integration_catalog_in_sync.py
index ce22f04f..3b586156 100644
--- a/tests/test_integration_catalog_in_sync.py
+++ b/tests/test_integration_catalog_in_sync.py
@@ -78,6 +78,34 @@ def test_generated_js_index_references_catalog_directory() -> None:
     assert "integration-catalog.json" not in body
 
 
+def test_build_rejects_duplicate_integration_ids(tmp_path: Path) -> None:
+    catalog_dir = tmp_path / "integrations" / "catalog"
+    catalog_dir.mkdir(parents=True)
+    duplicate_entry = {"id": "duplicate"}
+    for file_name in ("first.json", "second.json"):
+        (catalog_dir / file_name).write_text(json.dumps(duplicate_entry))
+
+    script_uri = (ROOT / "scripts" / "build-integration-catalog.mjs").as_uri()
+    result = subprocess.run(
+        [
+            "node",
+            "--input-type=module",
+            "-e",
+            f"process.chdir({json.dumps(str(tmp_path))}); await import({json.dumps(script_uri)});",
+        ],
+        capture_output=True,
+        text=True,
+        check=False,
+    )
+
+    assert result.returncode != 0
+    assert (
+        'Duplicate integration id "duplicate" in first.json and second.json.'
+        in result.stderr
+    )
+    assert not (tmp_path / "integrations" / "catalog-index.js").exists()
+
+
 def test_python_snapshot_is_built_from_catalog_directory() -> None:
     assert openhands_extensions.INTEGRATION_CATALOG_SNAPSHOT == {
         "integrations": _catalog_entries()