diff --git a/src/api/json/catalog.json b/src/api/json/catalog.json
index 7cb29719a78..1d7fbd7111c 100644
--- a/src/api/json/catalog.json
+++ b/src/api/json/catalog.json
@@ -1623,6 +1623,18 @@
       ],
       "url": "https://raw.githubusercontent.com/usecannon/cannon/main/packages/lsp/src/schema.json"
     },
+    {
+      "name": "CanvasXpress cxplot",
+      "description": "CanvasXpress materialized grammar-of-graphics figure (layers, scales, coordinates, facets).",
+      "fileMatch": ["*.cxplot.json"],
+      "url": "https://www.canvasxpress.org/schema/cxplot-1.0.schema.json"
+    },
+    {
+      "name": "CanvasXpress figure",
+      "description": "Portable, self-describing CanvasXpress figure ({data, config}): a reproducible chart interchange format.",
+      "fileMatch": ["*.cxfigure.json", "*.cx.json"],
+      "url": "https://www.canvasxpress.org/schema/cxfigure-1.0.schema.json"
+    },
     {
       "name": "Carafe",
       "description": "Carafe compatible JavaScript Bundles",