diff --git a/schema.json b/schema.json
new file mode 100644
index 0000000..595f7b8
--- /dev/null
+++ b/schema.json
@@ -0,0 +1,126 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "type": "object",
+  "properties": {
+    "macros": {
+      "type": "object",
+      "properties": {
+        "word": {
+          "type": "object",
+          "additionalProperties": {
+            "type": "string"
+          }
+        },
+        "action": {
+          "type": "object",
+          "properties": {
+            "#ite": {
+              "type": "string"
+            },
+            "#cb": {
+              "type": "string"
+            }
+          },
+          "additionalProperties": {
+            "type": "string"
+          },
+          "required": [
+            "#ite",
+            "#cb"
+          ]
+        }
+      },
+      "required": [
+        "word",
+        "action"
+      ]
+    },
+    "macro_settings": {
+      "type": "object",
+      "properties": {
+        "shuffle": {
+          "type": "object",
+          "properties": {
+            "enabled": {
+              "type": "string",
+              "enum": [
+                "true",
+                "false"
+              ]
+            },
+            "shuffle_macros": {
+              "type": "array",
+              "items": {
+                "type": "string",
+                "pattern": "^![a-zA-Z0-9]+$"
+              }
+            }
+          },
+          "required": [
+            "enabled",
+            "shuffle_macros"
+          ]
+        }
+      },
+      "required": [
+        "shuffle"
+      ]
+    },
+    "extension_settings": {
+      "type": "object",
+      "properties": {
+        "enabled": {
+          "type": "string",
+          "enum": [
+            "true",
+            "false"
+          ]
+        },
+        "extensions": {
+          "type": "array",
+          "items": {
+            "type": "object",
+            "properties": {
+              "type": {
+                "type": "string",
+                "enum": [
+                  "print",
+                  "action"
+                ]
+              },
+              "cmd": {
+                "type": "string"
+              },
+              "args": {
+                "type": "array",
+                "items": {
+                  "type": "string"
+                }
+              }
+            },
+            "patternProperties": {
+              "^@": {
+                "type": "string"
+              }
+            },
+            "required": [
+              "type",
+              "cmd",
+              "args"
+            ]
+          }
+        }
+      },
+      "required": [
+        "enabled",
+        "extensions"
+      ]
+    }
+  },
+  "required": [
+    "macros",
+    "macro_settings",
+    "extension_settings"
+  ],
+  "additionalProperties": false
+}