diff --git a/package.json b/package.json
index 69f5361e..4dba5a7f 100644
--- a/package.json
+++ b/package.json
@@ -35,5 +35,49 @@
   "volta": {
     "node": "22.12.0",
     "pnpm": "9.15.9"
+  },
+  "effectionx": {
+    "categories": [
+      {
+        "keyword": "testing",
+        "label": "Testing",
+        "description": "Test frameworks, adapters, and assertion helpers"
+      },
+      {
+        "keyword": "io",
+        "label": "I/O & Network",
+        "description": "HTTP, WebSocket, file system, and Node.js adapters"
+      },
+      {
+        "keyword": "process",
+        "label": "Processes",
+        "description": "Child process management and file watching"
+      },
+      {
+        "keyword": "streams",
+        "label": "Streams",
+        "description": "Stream transformation, parsing, and storage"
+      },
+      {
+        "keyword": "concurrency",
+        "label": "Concurrency",
+        "description": "Rate limiting, timeouts, and flow control"
+      },
+      {
+        "keyword": "reactivity",
+        "label": "Reactivity",
+        "description": "Reactive state and async workflows"
+      },
+      {
+        "keyword": "interop",
+        "label": "Interop",
+        "description": "Integration with other ecosystems and patterns"
+      },
+      {
+        "keyword": "platform",
+        "label": "Platform",
+        "description": "Browser and runtime-specific APIs"
+      }
+    ]
   }
 }