diff --git a/.github/plugin/marketplace.json b/.github/plugin/marketplace.json
index 550344f8..1d997088 100644
--- a/.github/plugin/marketplace.json
+++ b/.github/plugin/marketplace.json
@@ -200,6 +200,35 @@
       "description": "A comprehensive collection of specialized agents for software analysis, impact assessment, structural quality advisories, and architectural review using CAST Imaging.",
       "version": "1.0.0"
     },
+    {
+      "name": "catalyst-by-zoho",
+      "description": "Official GitHub Copilot plugin for Catalyst by Zoho — a full-stack serverless cloud platform. Includes skills covering services, SDKs, CLI workflows, architecture patterns, pricing, migration guides, and Zoho MCP resource management.",
+      "version": "0.0.1",
+      "author": {
+        "name": "Catalyst By Zoho",
+        "url": "https://github.com/catalystbyzoho"
+      },
+      "repository": "https://github.com/catalystbyzoho/copilot-plugin",
+      "homepage": "https://catalyst.zoho.com",
+      "license": "Apache-2.0",
+      "keywords": [
+        "catalyst",
+        "zoho",
+        "mcp",
+        "serverless",
+        "cloud",
+        "datastore",
+        "zcql",
+        "appsail",
+        "stratus",
+        "functions"
+      ],
+      "source": {
+        "source": "github",
+        "repo": "catalystbyzoho/copilot-plugin",
+        "sha": "0c2716ca4f28df375529c67b4504b41f7bd29a66"
+      }
+    },
     {
       "name": "chrome-devtools-plugin",
       "description": "Reliable automation, in-depth debugging, and performance analysis in Chrome using Chrome DevTools and Puppeteer.",
diff --git a/plugins/external.json b/plugins/external.json
index a555ddb7..223f19fb 100644
--- a/plugins/external.json
+++ b/plugins/external.json
@@ -106,6 +106,35 @@
       "sha": "8a8a102ff3ab8736f015764207cdb7e68fcd5ecf"
     }
   },
+  {
+    "name": "catalyst-by-zoho",
+    "description": "Official GitHub Copilot plugin for Catalyst by Zoho — a full-stack serverless cloud platform. Includes skills covering services, SDKs, CLI workflows, architecture patterns, pricing, migration guides, and Zoho MCP resource management.",
+    "version": "0.0.1",
+    "author": {
+      "name": "Catalyst By Zoho",
+      "url": "https://github.com/catalystbyzoho"
+    },
+    "repository": "https://github.com/catalystbyzoho/copilot-plugin",
+    "homepage": "https://catalyst.zoho.com",
+    "license": "Apache-2.0",
+    "keywords": [
+      "catalyst",
+      "zoho",
+      "mcp",
+      "serverless",
+      "cloud",
+      "datastore",
+      "zcql",
+      "appsail",
+      "stratus",
+      "functions"
+    ],
+    "source": {
+      "source": "github",
+      "repo": "catalystbyzoho/copilot-plugin",
+      "sha": "0c2716ca4f28df375529c67b4504b41f7bd29a66"
+    }
+  },
   {
     "name": "chrome-devtools-plugin",
     "description": "Reliable automation, in-depth debugging, and performance analysis in Chrome using Chrome DevTools and Puppeteer.",