Add railway to marketplace

.claude-plugin/marketplace.json

@@ -686,16 +686,17 @@
       "homepage": "https://github.com/semgrep/mcp-marketplace.git"
     },
     {
-      "name": "amazon-location-service",
-      "description": "Guide developers through adding maps, places search, geocoding, routing, and other geospatial features with Amazon Location Service, including authentication setup, SDK integration, and best practices.",
-      "category": "location",
+      "name": "railway",
+      "description": "Deploy and manage apps, databases, and infrastructure on Railway. Covers project setup, deploys, environment configuration, networking, troubleshooting, and monitoring.",
+      "category": "deployment",
       "source": {
         "source": "git-subdir",
-        "url": "https://github.com/awslabs/agent-plugins.git",
-        "path": "plugins/amazon-location-service",
-        "ref": "main"
+        "url": "railwayapp/railway-skills",
+        "path": "plugins/railway",
+        "ref": "main",
+        "sha": "d52f3741a6a33a3191d6138eb3d6c3355cb970d1"
       },
-      "homepage": "https://github.com/awslabs/agent-plugins"
+      "homepage": "https://docs.railway.com/ai/claude-code-plugin"
     }
   ]
 }