diff --git a/.claude-plugin/marketplace.json b/.claude-plugin/marketplace.json
index b0f0e1c..d850164 100644
--- a/.claude-plugin/marketplace.json
+++ b/.claude-plugin/marketplace.json
@@ -34,7 +34,7 @@
     {
       "name": "use-family",
       "description": "The whole *-use family in one install: every *-use plugin below as a dependency, a routing skill that tells the agent which one to use and how they combine, and a session-start check for missing CLIs, and CLIs kept at their plugin's version.",
-      "version": "0.9.0",
+      "version": "0.9.1",
       "category": "productivity",
       "source": "./plugins/use-family",
       "homepage": "https://github.com/leeguooooo/plugins/tree/main/plugins/use-family"
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 36785a2..222c7ba 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -11,6 +11,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - run: sh tests/install-use-family.test.sh
+      - run: sh tests/doctor.test.sh
       - run: sh tests/readme-codex-list.test.sh
       - name: install-use-family.ps1 parses
         shell: pwsh
diff --git a/install-use-family.sh b/install-use-family.sh
index 840446c..3ebd5fc 100644
--- a/install-use-family.sh
+++ b/install-use-family.sh
@@ -23,7 +23,9 @@ CLIS="chrome-use cookie-use mail-use discord-use bitwarden-use chatgpt-use memor
 repo_of() {  # repo_of <name>: the GitHub repo a use lives in
   case "$1" in ocs) echo open-cross-session ;; *) echo "$1" ;; esac
 }
-[ "$(uname -s)" = Darwin ] && CLIS="$CLIS wechat-use message-use paste-use"
+[ "$(uname -s)" = Darwin ] && CLIS="$CLIS message-use paste-use"
+# wechat-use's macOS installer stops with "Apple Silicon only" on Intel, so don't suggest it there.
+[ "$(uname -s)-$(uname -m)" = Darwin-arm64 ] && CLIS="$CLIS wechat-use"
 
 fetch() {  # fetch <repo> <dir>
   if [ -d "$2/.git" ]; then
@@ -68,6 +70,12 @@ if [ -n "$missing" ]; then
     case "$name" in
       # image-use has no install.sh: the CLI is the single file at the root of the checkout above.
       image-use) echo "  sudo install \"$BASE/image-use/image-use\" /usr/local/bin/image-use" ;;
+      # No prebuilt binary for Intel Macs; the installer only says to build from source.
+      discord-use) if [ "$(uname -s)-$(uname -m)" = Darwin-x86_64 ]; then
+                     echo "  cargo install --git https://github.com/leeguooooo/discord-use --root ~/.local   # Intel Mac: builds from source, needs Rust (rustup.rs)"
+                   else
+                     echo "  curl -fsSL https://raw.githubusercontent.com/leeguooooo/discord-use/main/install.sh | sh"
+                   fi ;;
       *) echo "  curl -fsSL https://raw.githubusercontent.com/leeguooooo/$(repo_of "$name")/main/install.sh | sh" ;;
     esac
   done
diff --git a/plugins/use-family/.claude-plugin/plugin.json b/plugins/use-family/.claude-plugin/plugin.json
index dfdcd53..9272fc7 100644
--- a/plugins/use-family/.claude-plugin/plugin.json
+++ b/plugins/use-family/.claude-plugin/plugin.json
@@ -1,6 +1,6 @@
 {
   "name": "use-family",
-  "version": "0.9.0",
+  "version": "0.9.1",
   "description": "The whole *-use family in one install: browser, email, texts (iMessage/SMS), chat, phone, identity, passwords, sessions, notes, clipboard history, promo and explainer videos, and the other agents on your machines. Adds a routing skill that tells the agent which use to reach for and how they combine, plus a session-start check for missing CLIs and one that upgrades a CLI older than its plugin.",
   "author": {
     "name": "leeguooooo"
diff --git a/plugins/use-family/scripts/doctor.sh b/plugins/use-family/scripts/doctor.sh
index c670814..bd41ecb 100755
--- a/plugins/use-family/scripts/doctor.sh
+++ b/plugins/use-family/scripts/doctor.sh
@@ -6,9 +6,12 @@ PATH="$PATH:$HOME/.local/bin:/opt/homebrew/bin:/usr/local/bin"
 
 # iphone-use runs as a daemon and profile-use ships its script inside the skill,
 # so neither has a CLI on PATH to look for.
-names="chrome-use cookie-use mail-use discord-use bitwarden-use chatgpt-use memory-use ocs"
-case "$(uname -s)" in MINGW*|MSYS*|CYGWIN*) ;; *) names="$names motion-use" ;; esac  # motion-use: macOS and Linux only
-[ "$(uname -s)" = Darwin ] && names="$names wechat-use message-use paste-use"
+os=$(uname -s); arch=$(uname -m)
+names="chrome-use cookie-use mail-use discord-use bitwarden-use chatgpt-use memory-use ocs image-use"
+case "$os" in MINGW*|MSYS*|CYGWIN*) ;; *) names="$names motion-use" ;; esac  # motion-use: macOS and Linux only
+[ "$os" = Darwin ] && names="$names message-use paste-use"
+# wechat-use's macOS installer stops with "Apple Silicon only" on Intel, so don't suggest it there.
+[ "$os-$arch" = Darwin-arm64 ] && names="$names wechat-use"
 
 missing=""
 for name in $names; do
@@ -25,5 +28,11 @@ echo "use-family: these CLIs are not installed:$missing"
 echo "Install one when a task needs it, after asking the user:"
 for name in $missing; do
   repo=$name; [ "$name" = ocs ] && repo=open-cross-session
-  echo "  curl -fsSL https://raw.githubusercontent.com/leeguooooo/$repo/main/install.sh | sh"
+  case "$name-$os-$arch" in
+    # image-use has no install.sh: the CLI is the single file at the root of its repo.
+    image-use-*) echo "  git clone -q --depth 1 https://github.com/leeguooooo/image-use ~/.agents/use-family/image-use && ln -sf ~/.agents/use-family/image-use/image-use ~/.local/bin/image-use" ;;
+    # No prebuilt binary for Intel Macs; the installer only says to build from source.
+    discord-use-Darwin-x86_64) echo "  cargo install --git https://github.com/leeguooooo/discord-use --root ~/.local   # Intel Mac: builds from source, needs Rust (rustup.rs)" ;;
+    *) echo "  curl -fsSL https://raw.githubusercontent.com/leeguooooo/$repo/main/install.sh | sh" ;;
+  esac
 done
diff --git a/tests/doctor.test.sh b/tests/doctor.test.sh
new file mode 100644
index 0000000..766862e
--- /dev/null
+++ b/tests/doctor.test.sh
@@ -0,0 +1,34 @@
+#!/bin/sh
+# Runs use-family's doctor.sh with no *-use CLI installed, as an Intel and an Apple Silicon Mac
+# (fake uname), and checks which CLIs it names and with what install hint.
+#   sh tests/doctor.test.sh
+set -eu
+ROOT=$(cd "$(dirname "$0")/.." && pwd)
+TMP=$(mktemp -d); trap 'rm -rf "$TMP"' EXIT
+mkdir -p "$TMP/bin" "$TMP/home"
+cat > "$TMP/bin/uname" <<'UNAME'
+#!/bin/sh
+case "$1" in -m) echo "$FAKE_ARCH" ;; *) echo Darwin ;; esac
+UNAME
+chmod +x "$TMP/bin/uname"
+# Only the shell itself: no *-use CLI and no system tool that doctor.sh might find.
+ln -s "$(command -v sh)" "$TMP/bin/sh"
+
+run() {  # run <arch>: doctor.sh's stdout on a Mac with that arch
+  FAKE_ARCH=$1 HOME="$TMP/home" PATH="$TMP/bin" sh "$ROOT/plugins/use-family/scripts/doctor.sh"
+}
+fail() { echo "FAIL: $1"; echo "$out"; exit 1; }
+
+out=$(run x86_64)
+echo "$out" | grep -q 'not installed:.* wechat-use' && fail "Intel: suggests wechat-use, whose installer is Apple Silicon only"
+echo "$out" | grep -qF 'cargo install --git https://github.com/leeguooooo/discord-use' || fail "Intel: no build-from-source hint for discord-use"
+echo "$out" | grep -q 'discord-use/main/install.sh' && fail "Intel: points at discord-use's install.sh, which has no Intel binary"
+echo "$out" | grep -q 'not installed:.* image-use' || fail "image-use not checked"
+echo "$out" | grep -q 'image-use/main/install.sh' && fail "points at an install.sh image-use does not have"
+echo "$out" | grep -qF 'ln -sf ~/.agents/use-family/image-use/image-use ~/.local/bin/image-use' || fail "no single-file install hint for image-use"
+
+out=$(run arm64)
+echo "$out" | grep -q 'not installed:.* wechat-use' || fail "Apple Silicon: wechat-use not checked"
+echo "$out" | grep -qF 'leeguooooo/discord-use/main/install.sh | sh' || fail "Apple Silicon: lost discord-use's install.sh hint"
+
+echo "ok doctor.sh"
diff --git a/tests/install-use-family.test.sh b/tests/install-use-family.test.sh
index 703f013..aae6586 100644
--- a/tests/install-use-family.test.sh
+++ b/tests/install-use-family.test.sh
@@ -18,7 +18,13 @@ case "$*" in
 esac
 GIT
 chmod +x "$TMP/bin/git"
-for tool in sh mkdir ln readlink uname touch chmod rm cat dirname basename; do
+# Fake uname: a Mac whose arch is $FAKE_ARCH (arm64 unless a check sets it).
+cat > "$TMP/bin/uname" <<'UNAME'
+#!/bin/sh
+case "$1" in -m) echo "${FAKE_ARCH:-arm64}" ;; *) echo Darwin ;; esac
+UNAME
+chmod +x "$TMP/bin/uname"
+for tool in sh mkdir ln readlink touch chmod rm cat dirname basename; do
   ln -s "$(command -v "$tool")" "$TMP/bin/$tool"
 done
 
@@ -34,6 +40,13 @@ echo "$out" | grep -qF "sudo install \"$TMP/home/.agents/use-family/image-use/im
 echo "$out" | grep -q 'leeguooooo/image-use/main/install.sh' && fail "points at an install.sh image-use does not have"
 echo "$out" | grep -qF 'leeguooooo/mail-use/main/install.sh | sh' || fail "generic install.sh hint lost"
 
+echo "$out" | grep -q '^CLIs not installed yet:.* wechat-use' || fail "Apple Silicon: wechat-use missing from the not-installed list"
+echo "$out" | grep -qF 'leeguooooo/discord-use/main/install.sh | sh' || fail "Apple Silicon: lost discord-use's install.sh hint"
+
+out=$(FAKE_ARCH=x86_64 run)
+echo "$out" | grep -q '^CLIs not installed yet:.* wechat-use' && fail "Intel: suggests wechat-use, whose installer is Apple Silicon only"
+echo "$out" | grep -qF 'cargo install --git https://github.com/leeguooooo/discord-use' || fail "Intel: no build-from-source hint for discord-use"
+
 printf '#!/bin/sh\n' > "$TMP/bin/image-use"; chmod +x "$TMP/bin/image-use"
 out=$(run)
 echo "$out" | grep -q 'image-use/image-use\|not installed yet:.* image-use' && fail "image-use reported although it is on PATH"