diff --git a/.changeset/violet-goats-wave.md b/.changeset/violet-goats-wave.md
new file mode 100644
index 000000000000..351cb2d9bf12
--- /dev/null
+++ b/.changeset/violet-goats-wave.md
@@ -0,0 +1,10 @@
+---
+'@sveltejs/adapter-begin': patch
+'@sveltejs/adapter-cloudflare-workers': patch
+'@sveltejs/adapter-netlify': patch
+'@sveltejs/adapter-node': patch
+'@sveltejs/adapter-static': patch
+'@sveltejs/adapter-vercel': patch
+---
+
+Add type declarations
diff --git a/packages/adapter-begin/index.d.ts b/packages/adapter-begin/index.d.ts
new file mode 100644
index 000000000000..63aa0248bdbe
--- /dev/null
+++ b/packages/adapter-begin/index.d.ts
@@ -0,0 +1 @@
+export default function (): import('@sveltejs/kit').Adapter;
diff --git a/packages/adapter-begin/package.json b/packages/adapter-begin/package.json
index 6bad196169ac..f2df0149a2e5 100644
--- a/packages/adapter-begin/package.json
+++ b/packages/adapter-begin/package.json
@@ -2,6 +2,7 @@
 	"name": "@sveltejs/adapter-begin",
 	"version": "1.0.0-next.5",
 	"main": "index.cjs",
+	"types": "index.d.ts",
 	"scripts": {
 		"lint": "eslint --ignore-path .gitignore \"**/*.{ts,js,svelte}\" && npm run check-format",
 		"dev": "rollup -cw",
@@ -11,7 +12,8 @@
 		"prepublishOnly": "npm run build"
 	},
 	"files": [
-		"files"
+		"files",
+		"index.d.ts"
 	],
 	"dependencies": {
 		"@architect/parser": "^3.0.1"
diff --git a/packages/adapter-cloudflare-workers/index.d.ts b/packages/adapter-cloudflare-workers/index.d.ts
new file mode 100644
index 000000000000..d0cbee7a88b7
--- /dev/null
+++ b/packages/adapter-cloudflare-workers/index.d.ts
@@ -0,0 +1,3 @@
+declare function plugin(): import('@sveltejs/kit').Adapter;
+
+export = plugin;
diff --git a/packages/adapter-cloudflare-workers/package.json b/packages/adapter-cloudflare-workers/package.json
index 1dc971a98c0f..c5e258a423ad 100644
--- a/packages/adapter-cloudflare-workers/package.json
+++ b/packages/adapter-cloudflare-workers/package.json
@@ -2,8 +2,10 @@
 	"name": "@sveltejs/adapter-cloudflare-workers",
 	"version": "0.0.2-next.3",
 	"main": "index.js",
+	"types": "index.d.ts",
 	"files": [
-		"files"
+		"files",
+		"index.d.ts"
 	],
 	"scripts": {
 		"lint": "eslint --ignore-path .gitignore \"**/*.{ts,js,svelte}\" && npm run check-format",
diff --git a/packages/adapter-netlify/index.d.ts b/packages/adapter-netlify/index.d.ts
new file mode 100644
index 000000000000..d0cbee7a88b7
--- /dev/null
+++ b/packages/adapter-netlify/index.d.ts
@@ -0,0 +1,3 @@
+declare function plugin(): import('@sveltejs/kit').Adapter;
+
+export = plugin;
diff --git a/packages/adapter-netlify/package.json b/packages/adapter-netlify/package.json
index f4ca148665ed..995ee7511650 100644
--- a/packages/adapter-netlify/package.json
+++ b/packages/adapter-netlify/package.json
@@ -2,8 +2,10 @@
 	"name": "@sveltejs/adapter-netlify",
 	"version": "1.0.0-next.9",
 	"main": "index.js",
+	"types": "index.d.ts",
 	"files": [
-		"files"
+		"files",
+		"index.d.ts"
 	],
 	"scripts": {
 		"lint": "eslint --ignore-path .gitignore \"**/*.{ts,js,svelte}\" && npm run check-format",
diff --git a/packages/adapter-node/index.d.ts b/packages/adapter-node/index.d.ts
new file mode 100644
index 000000000000..4316b65ad712
--- /dev/null
+++ b/packages/adapter-node/index.d.ts
@@ -0,0 +1,3 @@
+declare function plugin(options: { out?: string }): import('@sveltejs/kit').Adapter;
+
+export = plugin;
diff --git a/packages/adapter-node/package.json b/packages/adapter-node/package.json
index 98fcccaf6078..ded6dbaccac7 100644
--- a/packages/adapter-node/package.json
+++ b/packages/adapter-node/package.json
@@ -3,8 +3,10 @@
 	"version": "1.0.0-next.16",
 	"main": "index.cjs",
 	"type": "module",
+	"types": "index.d.ts",
 	"files": [
-		"files"
+		"files",
+		"index.d.ts"
 	],
 	"scripts": {
 		"dev": "rollup -cw",
diff --git a/packages/adapter-static/index.d.ts b/packages/adapter-static/index.d.ts
new file mode 100644
index 000000000000..00ab5e9a3e02
--- /dev/null
+++ b/packages/adapter-static/index.d.ts
@@ -0,0 +1,7 @@
+declare function plugin(options: {
+	pages?: string;
+	assets?: string;
+	fallback?: string;
+}): import('@sveltejs/kit').Adapter;
+
+export = plugin;
diff --git a/packages/adapter-static/package.json b/packages/adapter-static/package.json
index b9024260ac42..5115a9356b54 100644
--- a/packages/adapter-static/package.json
+++ b/packages/adapter-static/package.json
@@ -1,6 +1,7 @@
 {
 	"name": "@sveltejs/adapter-static",
 	"version": "1.0.0-next.6",
+	"types": "index.d.ts",
 	"scripts": {
 		"lint": "eslint --ignore-path .gitignore \"**/*.{ts,js,svelte}\" && npm run check-format",
 		"check": "tsc",
diff --git a/packages/adapter-vercel/index.d.ts b/packages/adapter-vercel/index.d.ts
new file mode 100644
index 000000000000..d0cbee7a88b7
--- /dev/null
+++ b/packages/adapter-vercel/index.d.ts
@@ -0,0 +1,3 @@
+declare function plugin(): import('@sveltejs/kit').Adapter;
+
+export = plugin;
diff --git a/packages/adapter-vercel/package.json b/packages/adapter-vercel/package.json
index 5985cf2a301e..cc9dd978d7fe 100644
--- a/packages/adapter-vercel/package.json
+++ b/packages/adapter-vercel/package.json
@@ -2,8 +2,10 @@
 	"name": "@sveltejs/adapter-vercel",
 	"version": "1.0.0-next.14",
 	"main": "index.js",
+	"types": "index.d.ts",
 	"files": [
-		"files"
+		"files",
+		"index.d.ts"
 	],
 	"scripts": {
 		"lint": "eslint --ignore-path .gitignore \"**/*.{ts,js,svelte}\" && npm run check-format",