diff --git a/.claude-plugin/marketplace.json b/.claude-plugin/marketplace.json
index a730dfe..2ffcfdb 100644
--- a/.claude-plugin/marketplace.json
+++ b/.claude-plugin/marketplace.json
@@ -253,6 +253,22 @@
       },
       "homepage": "https://github.com/awslabs/agent-plugins"
     },
+    {
+      "name": "aws-dev-toolkit",
+      "description": "AWS development toolkit — 34 skills, 11 agents, and 3 MCP servers for building, migrating, and performing architecture reviews on AWS.",
+      "author": {
+        "name": "aws-samples"
+      },
+      "category": "development",
+      "source": {
+        "source": "git-subdir",
+        "url": "https://github.com/aws-samples/sample-claude-code-plugins-for-startups.git",
+        "path": "plugins/aws-dev-toolkit",
+        "ref": "main",
+        "sha": "ddea7fdd605b42ed3900374815f358a2d4600db5"
+      },
+      "homepage": "https://github.com/aws-samples/sample-claude-code-plugins-for-startups"
+    },
     {
       "name": "aws-serverless",
       "description": "Design, build, deploy, test, and debug serverless applications with AWS Serverless services.",