diff --git a/package-lock.json b/package-lock.json
index 833b2c8..e729ce9 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -8,7 +8,8 @@
       "name": "wplace-bluemarble",
       "version": "0.81.0",
       "dependencies": {
-        "@types/greasemonkey": "^4.0.7"
+        "@types/greasemonkey": "^4.0.7",
+        "zod": "^4.0.17"
       },
       "devDependencies": {
         "@eslint/js": "^9.33.0",
@@ -2788,6 +2789,15 @@
       "funding": {
         "url": "https://github.com/sponsors/sindresorhus"
       }
+    },
+    "node_modules/zod": {
+      "version": "4.0.17",
+      "resolved": "https://registry.npmjs.org/zod/-/zod-4.0.17.tgz",
+      "integrity": "sha512-1PHjlYRevNxxdy2JZ8JcNAw7rX8V9P1AKkP+x/xZfxB0K5FYfuV+Ug6P/6NVSR2jHQ+FzDDoDHS04nYUsOIyLQ==",
+      "license": "MIT",
+      "funding": {
+        "url": "https://github.com/sponsors/colinhacks"
+      }
     }
   }
 }
diff --git a/package.json b/package.json
index ade9506..fcc2574 100644
--- a/package.json
+++ b/package.json
@@ -20,6 +20,7 @@
     "typescript-eslint": "^8.39.1"
   },
   "dependencies": {
-    "@types/greasemonkey": "^4.0.7"
+    "@types/greasemonkey": "^4.0.7",
+    "zod": "^4.0.17"
   }
 }
diff --git a/types/schemas.ts b/types/schemas.ts
new file mode 100644
index 0000000..0a363a8
--- /dev/null
+++ b/types/schemas.ts
@@ -0,0 +1,57 @@
+import z from "zod/v3";
+
+export const CharityJSON = z.object({
+  meta: z.object({
+    whoami: z.string(),
+    schemaVersion: z.string().refine((version) => version.match("^0|([1-9]\d*)([.](0|([1-9]\d*))){2}$")),
+    scriptVersion: z
+      .string()
+      .refine((version) => version.match("^0|([1-9]\d*)([.](0|([1-9]\d*))){2}$"))
+      .optional(),
+  }),
+  alliance: z.object({
+    name: z.string(),
+    contact: z.string(),
+  }).optional(),
+  templates: z.array(
+    z.object({
+      name: z.string().optional(),
+      enabled: z.boolean(),
+      coords: z.object({
+        tx: z.number(),
+        ty: z.number(),
+        px: z.number(),
+        py: z.number(),
+      }),
+      sources: z.array(z.string()),
+      author: z.number().optional(),
+      animation: z
+        .object({
+          frameWidth: z.number().optional(),
+          frameHeight: z.number().optional(),
+          frameCount: z.number().optional(),
+          secondsPerFrame: z.number().optional(),
+          frameRate: z.number().optional(),
+          frameSpeed: z.number().optional(),
+          startTimestamp: z.number().optional(),
+          startTime: z.number().optional(),
+          looping: z.boolean().optional(),
+        })
+        .optional(),
+      uuid: z.string(),
+    })
+  ),
+  whitelist: z.array(
+    z.object({
+      name: z.string().optional(),
+      url: z.string(),
+    })
+  ),
+  blacklist: z.array(
+    z.object({
+      name: z.string().optional(),
+      url: z.string(),
+    })
+  ),
+});
+
diff --git a/src/types.ts b/types/types.ts
similarity index 100%
rename from src/types.ts
rename to types/types.ts