diff --git a/.vscode/tasks.json b/.vscode/tasks.json
new file mode 100644
index 0000000..f5f63a2
--- /dev/null
+++ b/.vscode/tasks.json
@@ -0,0 +1,12 @@
+{
+  // See https://go.microsoft.com/fwlink/?LinkId=733558
+  // for the documentation about the tasks.json format
+  "version": "2.0.0",
+  "tasks": [
+    {
+      "label": "build and run",
+      "type": "shell",
+      "command": "swift build && .build/debug/carton dev"
+    }
+  ]
+}
diff --git a/Package.resolved b/Package.resolved
index de3356e..32756b4 100644
--- a/Package.resolved
+++ b/Package.resolved
@@ -2,12 +2,21 @@
   "object": {
     "pins": [
       {
-        "package": "SKQueue",
-        "repositoryURL": "https://github.com/daniel-pedersen/SKQueue.git",
+        "package": "async-http-client",
+        "repositoryURL": "https://github.com/swift-server/async-http-client.git",
         "state": {
           "branch": null,
-          "revision": "a52c15ea2a8f28fde607155cf75c1abe9ea000a7",
-          "version": "1.2.0"
+          "revision": "037b70291941fe43de668066eb6fb802c5e181d2",
+          "version": "1.1.1"
+        }
+      },
+      {
+        "package": "SKQueue",
+        "repositoryURL": "https://github.com/MaxDesiatov/SKQueue.git",
+        "state": {
+          "branch": "master",
+          "revision": "448a61e772c5beb60ab035b2af140e3165f71b23",
+          "version": null
         }
       },
       {
@@ -27,6 +36,33 @@
           "revision": "e876fb37410e0036b98b5361bb18e6854739572b",
           "version": "2.16.0"
         }
+      },
+      {
+        "package": "swift-nio-extras",
+        "repositoryURL": "https://github.com/apple/swift-nio-extras.git",
+        "state": {
+          "branch": null,
+          "revision": "e0e76733600a2806b3dc4feae8cfebace858c1a2",
+          "version": "1.4.1"
+        }
+      },
+      {
+        "package": "swift-nio-http2",
+        "repositoryURL": "https://github.com/apple/swift-nio-http2.git",
+        "state": {
+          "branch": null,
+          "revision": "82eb3fa0974b838358ee46bc6c5381e5ae5de6b9",
+          "version": "1.11.0"
+        }
+      },
+      {
+        "package": "swift-nio-ssl",
+        "repositoryURL": "https://github.com/apple/swift-nio-ssl.git",
+        "state": {
+          "branch": null,
+          "revision": "ae213938e151964aa691f0e902462fbe06baeeb6",
+          "version": "2.7.1"
+        }
       }
     ]
   },
diff --git a/Package.swift b/Package.swift
index 057e50c..3252f47 100644
--- a/Package.swift
+++ b/Package.swift
@@ -7,15 +7,21 @@ let package = Package(
   name: "carton",
   dependencies: [
     .package(url: "https://github.com/apple/swift-argument-parser", .upToNextMinor(from: "0.0.5")),
-    .package(url: "https://github.com/apple/swift-nio.git", from: "2.16.0"),
-    .package(url: "https://github.com/daniel-pedersen/SKQueue.git", from: "1.2.0"),
+    .package(url: "https://github.com/apple/swift-nio-http2.git", from: "1.11.0"),
+    .package(url: "https://github.com/MaxDesiatov/SKQueue.git", .branch("master")),
+    .package(url: "https://github.com/swift-server/async-http-client.git", from: "1.1.1"),
   ],
   targets: [
     // Targets are the basic building blocks of a package. A target can define a module or a test suite.
     // Targets can depend on other targets in this package, and on products in packages which this package depends on.
     .target(
       name: "carton",
-      dependencies: []
+      dependencies: [
+        .product(name: "ArgumentParser", package: "swift-argument-parser"),
+        .product(name: "NIOHTTP2Server", package: "swift-nio-http2"),
+        .product(name: "AsyncHTTPClient", package: "async-http-client"),
+        .product(name: "SKQueue", package: "SKQueue"),
+      ]
     ),
     .testTarget(
       name: "CartonTests",
diff --git a/Sources/carton/Carton.swift b/Sources/carton/Carton.swift
new file mode 100644
index 0000000..8898db1
--- /dev/null
+++ b/Sources/carton/Carton.swift
@@ -0,0 +1,9 @@
+import ArgumentParser
+
+struct Carton: ParsableCommand {
+  static var configuration = CommandConfiguration(
+    abstract: "📦 Watcher, bundler, and test runner for your SwiftWasm apps.",
+    subcommands: [Dev.self, Test.self, Prod.self],
+    defaultSubcommand: Dev.self
+  )
+}
diff --git a/Sources/carton/Dev.swift b/Sources/carton/Dev.swift
new file mode 100644
index 0000000..82629c7
--- /dev/null
+++ b/Sources/carton/Dev.swift
@@ -0,0 +1,7 @@
+import ArgumentParser
+
+struct Dev: ParsableCommand {
+  static var configuration = CommandConfiguration(
+    abstract: "Watch the current directory, host the app, rebuild on change."
+  )
+}
diff --git a/Sources/carton/Prod.swift b/Sources/carton/Prod.swift
new file mode 100644
index 0000000..8e923eb
--- /dev/null
+++ b/Sources/carton/Prod.swift
@@ -0,0 +1,7 @@
+import ArgumentParser
+
+struct Prod: ParsableCommand {
+  static var configuration = CommandConfiguration(
+    abstract: "Produce a production app bundle ready for deployment."
+  )
+}
diff --git a/Sources/carton/Test.swift b/Sources/carton/Test.swift
new file mode 100644
index 0000000..d1f4d01
--- /dev/null
+++ b/Sources/carton/Test.swift
@@ -0,0 +1,5 @@
+import ArgumentParser
+
+struct Test: ParsableCommand {
+  static var configuration = CommandConfiguration(abstract: "Run the tests in a WASI environment.")
+}
diff --git a/Sources/carton/main.swift b/Sources/carton/main.swift
index f7cf60e..2bdc8ad 100644
--- a/Sources/carton/main.swift
+++ b/Sources/carton/main.swift
@@ -1 +1 @@
-print("Hello, world!")
+Carton.main()