diff --git a/README.md b/README.md
index b5bf809..498309e 100644
--- a/README.md
+++ b/README.md
@@ -35,7 +35,7 @@ Install `bitcoinui` in your AI coding tool.
 ### [Claude](https://code.claude.com/docs/en/slash-commands)
 
 ```sh
-curl -L -o ~/.claude/commands/bitcoinui.md https://bitcoinui.ai/bitcoinui.md
+curl -fsSL https://bitcoinui.ai/install.sh | bash
 claude
 /bitcoinui
 ```
@@ -43,7 +43,7 @@ claude
 ### [Codex](https://github.com/openai/codex/blob/main/docs/skills.md)
 
 ```sh
-curl -fsSL https://bitcoinui.ai/install-codex.sh | bash
+curl -fsSL https://bitcoinui.ai/install.sh | bash
 codex
 $bitcoinui
 ```
@@ -51,7 +51,7 @@ $bitcoinui
 ### [Cursor](https://cursor.com/docs/agent/chat/commands)
 
 ```sh
-curl -L -o ~/.cursor/commands/bitcoinui.md https://bitcoinui.ai/bitcoinui.md
+curl -fsSL https://bitcoinui.ai/install.sh | bash
 cursor
 /bitcoinui
 ```
@@ -59,7 +59,7 @@ cursor
 ### [OpenCode](https://opencode.ai/docs/commands/)
 
 ```sh
-curl -L -o ~/.config/opencode/command/bitcoinui.md https://bitcoinui.ai/bitcoinui.md
+curl -fsSL https://bitcoinui.ai/install.sh | bash
 opencode
 /bitcoinui
 ```
diff --git a/site/index.html b/site/index.html
index 3725cc1..82bf253 100644
--- a/site/index.html
+++ b/site/index.html
@@ -34,28 +34,28 @@ <h1>Bitcoin UI iOS</h1>
                         <h2 class="section-title">Design Review</h2>
                         <section class="block" id="claude">
                             <h2><a href="https://code.claude.com/docs/en/slash-commands">Claude</a></h2>
-                            <pre><code><span class="prompt">$</span> curl -L -o ~/.claude/commands/bitcoinui.md https://bitcoinui.ai/bitcoinui.md
+                            <pre><code><span class="prompt">$</span> curl -fsSL https://bitcoinui.ai/install.sh | bash
 <span class="prompt">$</span> claude
 <span class="prompt">&gt;</span> /bitcoinui</code></pre>
                         </section>
 
                         <section class="block" id="codex">
                             <h2><a href="https://github.com/openai/codex/blob/main/docs/skills.md">Codex</a></h2>
-                            <pre><code><span class="prompt">$</span> curl -fsSL https://bitcoinui.ai/install-codex.sh | bash
+                            <pre><code><span class="prompt">$</span> curl -fsSL https://bitcoinui.ai/install.sh | bash
 <span class="prompt">$</span> codex
 <span class="prompt">&gt;</span> $bitcoinui</code></pre>
                         </section>
 
                         <section class="block" id="cursor">
                             <h2><a href="https://cursor.com/docs/agent/chat/commands">Cursor</a></h2>
-                            <pre><code><span class="prompt">$</span> curl -L -o ~/.cursor/commands/bitcoinui.md https://bitcoinui.ai/bitcoinui.md
+                            <pre><code><span class="prompt">$</span> curl -fsSL https://bitcoinui.ai/install.sh | bash
 <span class="prompt">$</span> cursor
 <span class="prompt">&gt;</span> /bitcoinui</code></pre>
                         </section>
 
                         <section class="block" id="opencode">
                             <h2><a href="https://opencode.ai/docs/commands/">OpenCode</a></h2>
-                            <pre><code><span class="prompt">$</span> curl -L -o ~/.config/opencode/command/bitcoinui.md https://bitcoinui.ai/bitcoinui.md
+                            <pre><code><span class="prompt">$</span> curl -fsSL https://bitcoinui.ai/install.sh | bash
 <span class="prompt">$</span> opencode
 <span class="prompt">&gt;</span> /bitcoinui</code></pre>
                         </section>
diff --git a/site/install-codex.sh b/site/install-codex.sh
index f6133dd..ba2daa2 100644
--- a/site/install-codex.sh
+++ b/site/install-codex.sh
@@ -1,15 +1,4 @@
 #!/usr/bin/env bash
 set -euo pipefail
 
-CODEX_HOME="${CODEX_HOME:-$HOME/.codex}"
-SKILL_DIR="$CODEX_HOME/skills/bitcoinui"
-REF_DIR="$SKILL_DIR/references"
-BASE_URL="https://bitcoinui.ai/skills/bitcoinui"
-
-mkdir -p "$REF_DIR"
-
-curl -fsSL -o "$SKILL_DIR/SKILL.md" "$BASE_URL/SKILL.md"
-curl -fsSL -o "$REF_DIR/bitcoinui-rubric.md" "$BASE_URL/references/bitcoinui-rubric.md"
-
-echo "Installed to $SKILL_DIR"
-echo "Restart Codex to pick up new skills."
+curl -fsSL https://bitcoinui.ai/install.sh | bash
diff --git a/site/install.sh b/site/install.sh
new file mode 100644
index 0000000..b9001f5
--- /dev/null
+++ b/site/install.sh
@@ -0,0 +1,60 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+BITCOINUI_URL="https://bitcoinui.ai/bitcoinui.md"
+SKILL_BASE_URL="https://bitcoinui.ai/skills/bitcoinui"
+CODEX_HOME="${CODEX_HOME:-$HOME/.codex}"
+INSTALLED=0
+
+echo "Installing bitcoinui..."
+echo ""
+
+# Claude Code
+if command -v claude >/dev/null 2>&1 || [ -d "$HOME/.claude" ]; then
+  mkdir -p "$HOME/.claude/commands"
+  curl -fsSL -o "$HOME/.claude/commands/bitcoinui.md" "$BITCOINUI_URL"
+  echo "Installed for Claude Code"
+  INSTALLED=$((INSTALLED + 1))
+fi
+
+# Cursor
+if command -v cursor >/dev/null 2>&1 || [ -d "$HOME/.cursor" ]; then
+  mkdir -p "$HOME/.cursor/commands"
+  curl -fsSL -o "$HOME/.cursor/commands/bitcoinui.md" "$BITCOINUI_URL"
+  echo "Installed for Cursor"
+  INSTALLED=$((INSTALLED + 1))
+fi
+
+# OpenCode
+if command -v opencode >/dev/null 2>&1 || [ -d "$HOME/.config/opencode" ]; then
+  mkdir -p "$HOME/.config/opencode/command"
+  curl -fsSL -o "$HOME/.config/opencode/command/bitcoinui.md" "$BITCOINUI_URL"
+  echo "Installed for OpenCode"
+  INSTALLED=$((INSTALLED + 1))
+fi
+
+# Codex
+if command -v codex >/dev/null 2>&1 || [ -d "$CODEX_HOME" ]; then
+  SKILL_DIR="$CODEX_HOME/skills/bitcoinui"
+  REF_DIR="$SKILL_DIR/references"
+  mkdir -p "$REF_DIR"
+  curl -fsSL -o "$SKILL_DIR/SKILL.md" "$SKILL_BASE_URL/SKILL.md"
+  curl -fsSL -o "$REF_DIR/bitcoinui-rubric.md" "$SKILL_BASE_URL/references/bitcoinui-rubric.md"
+  echo "Installed for Codex"
+  INSTALLED=$((INSTALLED + 1))
+fi
+
+echo ""
+
+if [ "$INSTALLED" -eq 0 ]; then
+  echo "No supported tools detected."
+  echo ""
+  echo "Install one of these first:"
+  echo "  - Claude Code: https://claude.ai/code"
+  echo "  - Cursor: https://cursor.com"
+  echo "  - OpenCode: https://opencode.ai"
+  echo "  - Codex: https://github.com/openai/codex"
+  exit 1
+fi
+
+echo "Done! Run /bitcoinui (or \$bitcoinui in Codex)."