diff --git a/.github/plugin/marketplace.json b/.github/plugin/marketplace.json
index 0f1852131..f03178ba4 100644
--- a/.github/plugin/marketplace.json
+++ b/.github/plugin/marketplace.json
@@ -239,6 +239,32 @@
       "description": "Comprehensive resources for building Model Context Protocol servers using the official PHP SDK with attribute-based discovery, including best practices, project generation, and expert assistance",
       "version": "1.0.0"
     },
+    {
+      "name": "planetscale",
+      "description": "PlanetScale database tools — MCP server for querying schemas, running SQL, and getting performance insights, plus expert skills for MySQL, PostgreSQL, Vitess, and Postgres sharding.",
+      "version": "1.0.0",
+      "author": {
+        "name": "PlanetScale",
+        "url": "https://planetscale.com"
+      },
+      "homepage": "https://github.com/planetscale/vscode-agent-plugin",
+      "keywords": [
+        "database",
+        "mysql",
+        "postgresql",
+        "vitess",
+        "schema",
+        "sql",
+        "performance",
+        "planetscale"
+      ],
+      "license": "MIT",
+      "repository": "https://github.com/planetscale/vscode-agent-plugin",
+      "source": {
+        "source": "github",
+        "repo": "planetscale/vscode-agent-plugin"
+      }
+    },
     {
       "name": "polyglot-test-agent",
       "source": "polyglot-test-agent",
diff --git a/plugins/external.json b/plugins/external.json
index ec8c8073a..705d64df6 100644
--- a/plugins/external.json
+++ b/plugins/external.json
@@ -16,5 +16,22 @@
       "repo": "microsoft/azure-skills",
       "path": ".github/plugins/azure-skills"
     }
+  },
+  {
+    "name": "planetscale",
+    "description": "PlanetScale database tools — MCP server for querying schemas, running SQL, and getting performance insights, plus expert skills for MySQL, PostgreSQL, Vitess, and Postgres sharding.",
+    "version": "1.0.0",
+    "author": {
+      "name": "PlanetScale",
+      "url": "https://planetscale.com"
+    },
+    "homepage": "https://github.com/planetscale/vscode-agent-plugin",
+    "keywords": ["database", "mysql", "postgresql", "vitess", "schema", "sql", "performance", "planetscale"],
+    "license": "MIT",
+    "repository": "https://github.com/planetscale/vscode-agent-plugin",
+    "source": {
+      "source": "github",
+      "repo": "planetscale/vscode-agent-plugin"
+    }
   }
 ]