diff --git a/bindings.ts b/bindings.ts
new file mode 100644
index 0000000..7cf18cd
--- /dev/null
+++ b/bindings.ts
@@ -0,0 +1,35 @@
+// This file was generated by [tauri-specta](https://github.com/oscartbeaumont/tauri-specta). Do not edit this file manually.
+
+declare global {
+    interface Window {
+        __TAURI_INVOKE__<T>(cmd: string, args?: Record<string, unknown>): Promise<T>;
+    }
+}
+
+const invoke = window.__TAURI_INVOKE__;
+
+export function errorPopup(msg: string) {
+    return invoke<null>("error_popup", { msg })
+}
+
+export function hide() {
+    return invoke<null>("hide")
+}
+
+export function newGroup(group: Group) {
+    return invoke<Group[]>("new_group", { group })
+}
+
+export function getGroups() {
+    return invoke<Group[]>("get_groups")
+}
+
+export function updateGroup(group: Group) {
+    return invoke<Group[]>("update_group", { group })
+}
+
+export function deleteGroup(index: number) {
+    return invoke<Group[]>("delete_group", { index })
+}
+
+export type Group = { title: string; description: string; enabled: boolean; id: string; cron: string }
diff --git a/package-lock.json b/package-lock.json
index 40effcf..da21534 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -24,6 +24,7 @@
         "svelte": "^3.59.0",
         "svelte-check": "^3.3.1",
         "tailwindcss": "^3.3.2",
+        "tauri-specta": "^0.0.2",
         "typescript": "^5.0.4",
         "vite": "^4.3.5"
       }
@@ -3297,6 +3298,15 @@
         "node": ">=14.0.0"
       }
     },
+    "node_modules/tauri-specta": {
+      "version": "0.0.2",
+      "resolved": "https://registry.npmjs.org/tauri-specta/-/tauri-specta-0.0.2.tgz",
+      "integrity": "sha512-ZgbJ/dnqHPn7Jsux7dMx7L8zMsG05Mt6rxR+ZWuSvvfWs5t+dPdHKc/4QEO3gXdQ5h1cJDwGUaNsEFoECbYkTA==",
+      "dev": true,
+      "peerDependencies": {
+        "@tauri-apps/api": "^1.1.0"
+      }
+    },
     "node_modules/text-table": {
       "version": "0.2.0",
       "resolved": "https://registry.npmjs.org/text-table/-/text-table-0.2.0.tgz",
diff --git a/package.json b/package.json
index 176f928..641611a 100644
--- a/package.json
+++ b/package.json
@@ -30,6 +30,7 @@
     "svelte": "^3.59.0",
     "svelte-check": "^3.3.1",
     "tailwindcss": "^3.3.2",
+    "tauri-specta": "^0.0.2",
     "typescript": "^5.0.4",
     "vite": "^4.3.5"
   },
diff --git a/src-tauri/Cargo.lock b/src-tauri/Cargo.lock
index 55260ec..48d13fe 100644
--- a/src-tauri/Cargo.lock
+++ b/src-tauri/Cargo.lock
@@ -2,6 +2,12 @@
 # It is not intended for manual editing.
 version = 3
 
+[[package]]
+name = "Inflector"
+version = "0.11.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fe438c63458706e03479442743baae6c88256498e6431708f6dfc520a26515d3"
+
 [[package]]
 name = "adler"
 version = "1.0.2"
@@ -644,6 +650,15 @@ version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bd0c93bb4b0c6d9b77f4435b0ae98c24d17f1c45b2ff844c6151a07256ca923b"
 
+[[package]]
+name = "document-features"
+version = "0.2.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e493c573fce17f00dcab13b6ac057994f3ce17d1af4dc39bfd482b83c6eb6157"
+dependencies = [
+ "litrs",
+]
+
 [[package]]
 name = "dtoa"
 version = "0.4.8"
@@ -665,6 +680,12 @@ version = "1.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "56ce8c6da7551ec6c462cbaf3bfbc75131ebbfa1c944aeaa9dab51ca1c5f0c3b"
 
+[[package]]
+name = "either"
+version = "1.8.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7fcaabb2fef8c910e7f4c7ce9f67a1283a1715879a7c230ca9d6d1ae31f16d91"
+
 [[package]]
 name = "embed-resource"
 version = "2.1.1"
@@ -1359,6 +1380,18 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "indoc"
+version = "1.0.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bfa799dd5ed20a7e349f3b4639aa80d74549c81716d9ec4f994c9b5815598306"
+
+[[package]]
+name = "indoc"
+version = "2.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9f2cb48b81b1dc9f39676bf99f5499babfec7cd8fe14307f7b3d747208fb5690"
+
 [[package]]
 name = "infer"
 version = "0.12.0"
@@ -1388,6 +1421,15 @@ dependencies = [
  "windows-sys 0.48.0",
 ]
 
+[[package]]
+name = "itertools"
+version = "0.10.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b0fd2260e829bddf4cb6ea802289de2f86d6a7a690192fbe91b3f46e0f2c8473"
+dependencies = [
+ "either",
+]
+
 [[package]]
 name = "itoa"
 version = "0.4.8"
@@ -1555,6 +1597,12 @@ version = "0.3.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ece97ea872ece730aed82664c424eb4c8291e1ff2480247ccf7409044bc6479f"
 
+[[package]]
+name = "litrs"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f9275e0933cf8bb20f008924c0cb07a0692fe54d8064996520bf998de9eb79aa"
+
 [[package]]
 name = "lock_api"
 version = "0.4.9"
@@ -2401,9 +2449,11 @@ dependencies = [
  "rust-macios",
  "serde",
  "serde_json",
+ "specta",
  "tauri",
  "tauri-build",
  "tauri-plugin-window-state",
+ "tauri-specta",
  "tokio",
 ]
 
@@ -2762,6 +2812,37 @@ dependencies = [
  "system-deps 5.0.0",
 ]
 
+[[package]]
+name = "specta"
+version = "1.0.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "95aa33f3135e656964f468db8369ac8e0b77ac957fe8cf335960202d68966d3b"
+dependencies = [
+ "document-features",
+ "indoc 1.0.9",
+ "once_cell",
+ "paste",
+ "serde",
+ "serde_json",
+ "specta-macros",
+ "tauri",
+ "thiserror",
+]
+
+[[package]]
+name = "specta-macros"
+version = "1.0.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f66517b551b511fa78fa94bc553c7baf4a8d81c68a90e7458ea74f3de70acf6c"
+dependencies = [
+ "Inflector",
+ "itertools",
+ "proc-macro2",
+ "quote",
+ "syn 1.0.109",
+ "termcolor",
+]
+
 [[package]]
 name = "spin"
 version = "0.9.8"
@@ -3113,6 +3194,21 @@ dependencies = [
  "wry",
 ]
 
+[[package]]
+name = "tauri-specta"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "23419889204476d5a70a04077d4628061a5bb667b18804a4572df2fe6ccb8ba5"
+dependencies = [
+ "heck 0.4.1",
+ "indoc 2.0.1",
+ "serde",
+ "serde_json",
+ "specta",
+ "tauri",
+ "thiserror",
+]
+
 [[package]]
 name = "tauri-utils"
 version = "1.3.0"
diff --git a/src-tauri/Cargo.toml b/src-tauri/Cargo.toml
index e096245..58319e0 100644
--- a/src-tauri/Cargo.toml
+++ b/src-tauri/Cargo.toml
@@ -21,6 +21,8 @@ async-cron-scheduler = "1.0"
 tauri-plugin-window-state = "0.1"
 nanoid = "0.4"
 atomicwrites = "0.4"
+tauri-specta = { version = "1.0", features = ["javascript", "typescript"] }
+specta = "1.0"
 
 [target.'cfg(target_os = "macos")'.dependencies]
 macos-app-nap = "0.0"
diff --git a/src-tauri/src/data.rs b/src-tauri/src/data.rs
index ab9d1d4..0cf40fc 100644
--- a/src-tauri/src/data.rs
+++ b/src-tauri/src/data.rs
@@ -1,7 +1,6 @@
 use crate::notifications::Group;
 use atomicwrites::{AtomicFile, OverwriteBehavior};
 use serde::{Deserialize, Serialize};
-use serde_json::Value;
 use std::env;
 use std::io::Write;
 use std::path::PathBuf;
@@ -25,13 +24,6 @@ impl AppPaths {
   }
 }
 
-pub fn to_json<T: Serialize>(data: &T) -> Result<Value, String> {
-  match serde_json::to_value(data) {
-    Ok(v) => Ok(v),
-    Err(e) => throw!("Error serializing {}", e),
-  }
-}
-
 pub fn ensure_parent_exists(file_path: &PathBuf) -> Result<(), String> {
   if let Some(parent) = file_path.parent() {
     if let Err(e) = std::fs::create_dir_all(parent) {
diff --git a/src-tauri/src/main.rs b/src-tauri/src/main.rs
index 1da4c9f..5392b00 100644
--- a/src-tauri/src/main.rs
+++ b/src-tauri/src/main.rs
@@ -22,6 +22,7 @@ macro_rules! throw {
 }
 
 #[command]
+#[specta::specta]
 fn error_popup(msg: String, win: Window) {
   eprintln!("Error: {}", msg);
   thread::spawn(move || {
@@ -78,6 +79,23 @@ fn main() {
     &ctx.config().tauri.bundle.identifier,
   );
 
+  #[cfg(debug_assertions)]
+  {
+    tauri_specta::ts::export(
+      specta::collect_types![
+        error_popup,
+        hide,
+        notifications::new_group,
+        notifications::get_groups,
+        notifications::update_group,
+        notifications::delete_group,
+      ],
+      "../bindings.ts",
+    )
+    .unwrap();
+    println!("Generated TS types");
+  }
+
   let app = tauri::Builder::default()
     .invoke_handler(tauri::generate_handler![
       error_popup,
@@ -219,6 +237,7 @@ fn show(app: &AppHandle) {
   window.set_focus().unwrap();
 }
 #[command]
+#[specta::specta]
 fn hide(app: AppHandle) {
   let window = app.get_window("main").unwrap();
   window.unminimize().unwrap();
diff --git a/src-tauri/src/notifications.rs b/src-tauri/src/notifications.rs
index 8ed4b95..d747546 100644
--- a/src-tauri/src/notifications.rs
+++ b/src-tauri/src/notifications.rs
@@ -1,10 +1,10 @@
-use crate::data::{to_json, AppPaths, RemindersFile};
+use crate::data::{AppPaths, RemindersFile};
 use async_cron_scheduler::cron;
 use async_cron_scheduler::{Job, JobId, Scheduler};
 use chrono::offset::Local;
 use nanoid::nanoid;
 use serde::{Deserialize, Serialize};
-use serde_json::Value;
+use specta::Type;
 use std::str::FromStr;
 use std::sync::Mutex;
 use tauri::api::dialog;
@@ -28,13 +28,14 @@ pub fn parse_cron(s: &str) -> Result<cron::Schedule, String> {
 #[cfg(not(target_os = "macos"))]
 static mut APP_IDENTIFIER: Option<String> = Option::None;
 
-#[derive(Serialize, Deserialize, Clone)]
+#[derive(Serialize, Deserialize, Clone, Type)]
 pub struct Group {
   pub title: String,
   pub description: String,
   pub enabled: bool,
   pub id: String,
   #[serde(skip)]
+  #[specta(type = null)]
   pub job_id: Option<JobId>,
   pub cron: String,
 }
@@ -180,22 +181,27 @@ impl Instance {
 pub struct Data(pub Mutex<Instance>);
 
 #[command]
-pub async fn new_group(mut group: Group, data: State<'_, Data>) -> Result<Value, String> {
+#[specta::specta]
+pub async fn new_group(group: Group, data: State<'_, Data>) -> Result<Vec<Group>, String> {
   let mut data = data.0.lock().unwrap();
+  let mut group = group;
   group.id = data.generate_id();
   data.add_group(group)?;
   data.save()?;
-  to_json(&data.file.groups)
+  Ok(data.file.groups.clone())
 }
 
 #[command]
-pub async fn get_groups(data: State<'_, Data>) -> Result<Value, String> {
+#[specta::specta]
+pub async fn get_groups(data: State<'_, Data>) -> Result<Vec<Group>, String> {
   let data = data.0.lock().unwrap();
-  to_json(&data.file.groups)
+  Ok(data.file.groups.clone())
 }
 
 #[command]
-pub async fn update_group(mut group: Group, data: State<'_, Data>) -> Result<Value, String> {
+#[specta::specta]
+pub async fn update_group(group: Group, data: State<'_, Data>) -> Result<Vec<Group>, String> {
+  let mut group = group;
   let mut data = data.0.lock().unwrap();
   let i = match data.file.groups.iter().position(|g| g.id == group.id) {
     Some(i) => i,
@@ -207,13 +213,14 @@ pub async fn update_group(mut group: Group, data: State<'_, Data>) -> Result<Val
   }
   data.file.groups[i] = group;
   data.save()?;
-  to_json(&data.file.groups)
+  Ok(data.file.groups.clone())
 }
 
 #[command]
-pub async fn delete_group(index: usize, data: State<'_, Data>) -> Result<Value, String> {
+#[specta::specta]
+pub async fn delete_group(index: u32, data: State<'_, Data>) -> Result<Vec<Group>, String> {
   let mut data = data.0.lock().unwrap();
-  data.delete_group(index);
+  data.delete_group(index.try_into().unwrap());
   data.save()?;
-  to_json(&data.file.groups)
+  Ok(data.file.groups.clone())
 }
diff --git a/src/App.svelte b/src/App.svelte
index fe17868..32c48ef 100755
--- a/src/App.svelte
+++ b/src/App.svelte
@@ -5,17 +5,17 @@
   import './app.css'
   import Item from './lib/Item.svelte'
   import New from './lib/New.svelte'
-  import { checkShortcut, runCmd } from './lib/helpers'
-  import type { Group } from './lib/types'
+  import { checkShortcut } from './lib/helpers'
+  import type { Group } from '../../bindings'
   import { onDestroy } from 'svelte'
   import { event, os } from '@tauri-apps/api'
-  import { invoke } from '@tauri-apps/api/tauri'
+  import commands from './lib/commands'
 
   let groupElements: Item[] = []
   let focusedGroup: number | null = null
 
   let groups: Group[] = []
-  runCmd<Group[]>('get_groups').then((g) => {
+  commands.getGroups().then((g) => {
     groups = g
     console.log(groups)
   })
@@ -58,7 +58,7 @@
 <svelte:body
   on:keydown={async (e) => {
     if (checkShortcut(e, 'Escape')) {
-      invoke('hide')
+      commands.hide()
       e.preventDefault()
     }
   }}
@@ -100,10 +100,10 @@
           bind:this={groupElements[i]}
           bind:group
           onUpdate={async () => {
-            groups = await runCmd('update_group', { group })
+            groups = await commands.updateGroup(group)
           }}
           onDelete={async () => {
-            groups = await runCmd('delete_group', { index: i })
+            groups = await commands.deleteGroup(i)
           }}
         />
       </div>
diff --git a/src/global.d.ts b/src/global.d.ts
deleted file mode 100644
index f413f49..0000000
--- a/src/global.d.ts
+++ /dev/null
@@ -1,8 +0,0 @@
-declare type DndEvent = import('svelte-dnd-action').DndEvent
-declare namespace svelte.JSX {
-  // eslint-disable-next-line @typescript-eslint/no-unused-vars
-  interface HTMLAttributes<T> {
-    onconsider?: (event: CustomEvent<DndEvent> & { target: EventTarget & T }) => void
-    onfinalize?: (event: CustomEvent<DndEvent> & { target: EventTarget & T }) => void
-  }
-}
diff --git a/src/lib/Edit.svelte b/src/lib/Edit.svelte
index 8f518c2..c5ccf1b 100644
--- a/src/lib/Edit.svelte
+++ b/src/lib/Edit.svelte
@@ -1,7 +1,7 @@
 <script lang="ts">
   import { slide, fly } from 'svelte/transition'
   import { getCronText, invisibleCursorFix } from './helpers'
-  import type { Group } from './types'
+  import type { Group } from '../../bindings'
 
   export let group: Group
 
diff --git a/src/lib/Item.svelte b/src/lib/Item.svelte
index 2c8f9cf..931f05d 100644
--- a/src/lib/Item.svelte
+++ b/src/lib/Item.svelte
@@ -1,6 +1,6 @@
 <script lang="ts">
   import { onMount, tick } from 'svelte'
-  import type { Group } from './types'
+  import type { Group } from '../../bindings'
   import Switch from './Switch.svelte'
   import { checkShortcut, getCronText, invisibleCursorFix } from './helpers'
   import Edit from './Edit.svelte'
diff --git a/src/lib/New.svelte b/src/lib/New.svelte
index 91eb749..30fea15 100644
--- a/src/lib/New.svelte
+++ b/src/lib/New.svelte
@@ -3,8 +3,9 @@
   import { cubicOut } from 'svelte/easing'
   import { slide } from 'svelte/transition'
   import Edit from './Edit.svelte'
-  import type { Group } from './types'
-  import { checkShortcut, invisibleCursorFix, runCmd } from './helpers'
+  import { checkShortcut, invisibleCursorFix } from './helpers'
+  import commands from './commands'
+  import type { Group } from '../../bindings'
 
   export let onCreate: (newGroups: Group[]) => void
   let editMode = false
@@ -22,7 +23,7 @@
   }
 
   async function create(newGroup: Group) {
-    const newGroups: Group[] = await runCmd('new_group', { group: newGroup })
+    const newGroups: Group[] = await commands.newGroup(newGroup)
     editMode = false
     onCreate(newGroups)
     group = newBlank()
diff --git a/src/lib/commands.ts b/src/lib/commands.ts
new file mode 100644
index 0000000..80a1298
--- /dev/null
+++ b/src/lib/commands.ts
@@ -0,0 +1,14 @@
+import * as c from '../../bindings'
+export default new Proxy({} as typeof c, {
+  get:
+    (_, property: string) =>
+    async (...args: unknown[]) => {
+      try {
+        // eslint-disable-next-line @typescript-eslint/no-explicit-any
+        return await (c as any)[property](...args)
+      } catch (e) {
+        c.errorPopup(String(e))
+        throw e
+      }
+    },
+})
diff --git a/src/lib/helpers.ts b/src/lib/helpers.ts
index 8ee5fea..7fa7c77 100644
--- a/src/lib/helpers.ts
+++ b/src/lib/helpers.ts
@@ -1,18 +1,5 @@
-import { invoke } from '@tauri-apps/api/tauri'
 import crontrue from 'cronstrue'
 
-export function popup(msg: string) {
-  invoke('error_popup', { msg })
-}
-
-// eslint-disable-next-line @typescript-eslint/no-explicit-any
-export async function runCmd<T = any>(cmd: string, options: { [key: string]: any } = {}) {
-  return (await invoke(cmd, options).catch((msg) => {
-    popup(msg)
-    throw msg
-  })) as T
-}
-
 type ShortcutOptions = {
   shift?: boolean
   alt?: boolean
diff --git a/src/lib/types.ts b/src/lib/types.ts
deleted file mode 100644
index 2988a98..0000000
--- a/src/lib/types.ts
+++ /dev/null
@@ -1,7 +0,0 @@
-export type Group = {
-  title: string
-  description: string
-  enabled: boolean
-  id: string
-  cron: string
-}