Add langfuse plugin

.claude-plugin/marketplace.json

@@ -1458,6 +1458,20 @@
         }
       }
     },
+    {
+      "name": "langfuse",
+      "description": "Skills for working with Langfuse, the open-source LLM engineering platform for tracing, prompt management, and evaluation.",
+      "author": {
+        "name": "Langfuse"
+      },
+      "category": "monitoring",
+      "source": {
+        "source": "url",
+        "url": "https://github.com/langfuse/skills.git",
+        "sha": "84657a123c12e87d7fa32cbc20197144674e110a"
+      },
+      "homepage": "https://langfuse.com"
+    },
     {
       "name": "laravel-boost",
       "description": "Laravel development toolkit MCP server. Provides intelligent assistance for Laravel applications including Artisan commands, Eloquent queries, routing, migrations, and framework-specific code generation.",