diff --git a/README.md b/README.md
index d86f7ef..f625c6d 100644
--- a/README.md
+++ b/README.md
@@ -35,3 +35,19 @@ Windows x86_64.
 Homepage: https://wai.transaction.science/quantum-studio/
 Source: https://git.transaction.science/Transaction-Science/open-standards/src/branch/main/wai/wai-quantum-cli
 Releases: https://git.transaction.science/Transaction-Science/open-standards/releases (tags `wai-quantum-cli-v…`)
+
+## wai
+
+The WAI command line, and what `wai dev` runs on your own machine: a relay, a room service, the
+room client a browser loads, a remote desktop host and the packager.
+
+```powershell
+scoop bucket add transaction-science https://git.transaction.science/Transaction-Science/scoop-bucket
+scoop install wai
+wai hello
+```
+
+Windows x86_64.
+
+Homepage: https://wai.transaction.science/docs/quickstart/
+Source and releases: https://git.transaction.science/Transaction-Science/open-standards
diff --git a/bucket/wai.json b/bucket/wai.json
new file mode 100644
index 0000000..b9682e8
--- /dev/null
+++ b/bucket/wai.json
@@ -0,0 +1,20 @@
+{
+  "version": "0.4.0",
+  "description": "WAI, an open media standard: its command line, and a local relay and room service",
+  "homepage": "https://wai.transaction.science/docs/quickstart/",
+  "license": "Apache-2.0",
+  "architecture": {
+    "64bit": {
+      "url": "https://git.transaction.science/Transaction-Science/open-standards/releases/download/wai-v0.4.0/wai-0.4.0-x86_64-pc-windows-msvc.zip",
+      "hash": "392be411ecb6eaf748b95e7194b286ede77c94cb22760bcda716cf6983c6d633",
+      "extract_dir": "wai-0.4.0-x86_64-pc-windows-msvc"
+    }
+  },
+  "bin": [
+    "bin\\wai.exe",
+    "bin\\wai-relay.exe",
+    "bin\\wai-room.exe",
+    "bin\\wai-remote-host.exe",
+    "bin\\wai-pack.exe"
+  ]
+}