diff --git a/tools/shell-lg.sh b/tools/shell-lg.sh
new file mode 100755
index 000000000..4c804431b
--- /dev/null
+++ b/tools/shell-lg.sh
@@ -0,0 +1,283 @@
+#!/bin/bash
+
+PROMPT_LINES=2
+
+input_buffer=""
+
+init_terminal() {
+    # Hide cursor to avoid flickering
+    tput civis
+
+    # Scroll enough for the prompt in case we're at the
+    # bottom of the screen
+    for i in $(seq 1 $PROMPT_LINES); do
+        echo
+    done
+
+    # Move cursor to the top of the room we just made
+    tput cuu $((PROMPT_LINES + 1))
+
+    # Save cursor position
+    tput sc
+
+    # Exclude prompt from scrollable area
+    tput csr 0 "$(($(tput lines) - PROMPT_LINES - 1))"
+
+    # Changing scrollable area moves cursor, so put it back
+    tput rc
+}
+
+restore_terminal() {
+    clear_status
+    clear_prompt
+
+    tput csr 0 "$(tput lines)"
+    tput rc
+    tput cnorm
+}
+
+eval_javascript_in_gnome_shell() {
+    json=$(mktemp)
+    busctl call --user --json=short               \
+                org.gnome.Shell                   \
+                /org/gnome/Shell                  \
+                org.gnome.Shell                   \
+                Eval "s" "$1" > "$json"
+    result=$(jq '.data[0]' < "$json")
+    output=$(jq '.data[1] | select(. != null and . != "") | try fromjson catch .' < "$json")
+    rm -f "$json"
+
+    if [ "$result" = "false" ]; then
+        echo -e "\e[31m${output:1:-1}\e[0m" > /dev/stderr
+        return 1
+    fi
+
+    echo "$output"
+    return 0
+}
+
+eval_javascript_in_looking_glass() {
+    # encode the text so we can side-step complicated escaping rules
+    ENCODED_TEXT=$(echo -n "$1" | hexdump -v -e '/1 "%02x"')
+
+    eval_javascript_in_gnome_shell "
+        const GLib = imports.gi.GLib;
+        Main.createLookingGlass();
+        const results = Main.lookingGlass._resultsArea;
+        Main.lookingGlass._entry.text = '${ENCODED_TEXT}'.replace(/([0-9a-fA-F]{2})/g, (_, h) => String.fromCharCode(parseInt(h, 16)));
+        Main.lookingGlass._entry.clutter_text.activate();
+        GLib.timeout_add(GLib.PRIORITY_DEFAULT, 125, () => {
+            const index = results.get_n_children() - 1;
+            if (index < 0)
+                return;
+            const resultsActor = results.get_children()[index];
+            const output = \`\${resultsActor.get_children()[1].get_children()[0].text}\${resultsActor.get_children()[1].get_children()[1].get_children()[0].text}\`;
+            Main.lookingGlass._lastEncodedResult = output.split('').map(char => char.charCodeAt(0).toString(16).padStart(2, '0')).join('');
+        });
+    " > /dev/null
+
+    if [ $? -ne 0 ]; then
+        return
+    fi
+
+    sleep .250
+
+    OUTPUT=$(echo -e $(eval_javascript_in_gnome_shell 'Main.lookingGlass._lastEncodedResult;' | sed 's/\([[:xdigit:]][[:xdigit:]]\)/\\x\1/g'))
+
+    if [ -z "$OUTPUT" ]; then
+        echo -e "\e[31mCould not fetch result from call\e[0m" > /dev/stderr
+        return
+    fi
+
+    eval_javascript_in_gnome_shell "delete Main.lookingGlass._lastEncodedResult;" > /dev/null
+
+    echo ">>> $1"
+    echo "${OUTPUT}"
+}
+
+jump_to_prompt() {
+    # Move to the bottom of the terminal
+    tput cup $(($(tput lines) - PROMPT_LINES)) 0
+}
+
+clear_prompt() {
+    jump_to_prompt
+    tput el
+}
+
+jump_to_status() {
+    # Move to just below the prompt
+    tput cup $(($(tput lines) - PROMPT_LINES + 1)) 0
+}
+
+clear_status() {
+    jump_to_status
+    tput el
+}
+
+print_status_line() {
+    jump_to_status
+    echo -ne "Type quit to exit, ^G to inspect, ^L to clear screen"
+    tput rc
+}
+
+clear_screen() {
+    clear
+    ask_user_for_input
+}
+
+ask_user_for_input() {
+    # Save cursor position
+    tput sc
+
+    clear_prompt
+
+    tput cnorm
+    read -i "$READLINE_LINE" -p ">>> " -re input_buffer
+    STATUS="$?"
+    tput civis
+
+    [ $STATUS != 0 ] && exit
+
+    if [ "$input_buffer" = "quit" -o "$input_buffer" = "q" -o "$input_buffer" = "exit" ]; then
+        exit
+    fi
+
+    # Save input to history
+    history -s "$input_buffer"
+
+    # Move cursor back to saved position before output
+    tput rc
+}
+
+quit_message() {
+    print_status_line
+    ask_user_for_input
+}
+
+load_history() {
+
+    while IFS= read -r line; do
+        history -s "$line"
+    done < <(eval_javascript_in_gnome_shell 'Main.lookingGlass._history._history.join("\n");' | jq -r '. | select(. != null and . != "") | tostring')
+}
+
+check_for_unsafe_mode() {
+    unsafe_mode=$(eval_javascript_in_gnome_shell 'global.context.unsafe_mode')
+
+    if [ "$unsafe_mode" != "true" ]; then
+        echo -e "Please enable unsafe-mode in the Flags tab of looking glass." > /dev/stderr
+        exit
+    fi
+}
+
+eval_autocomplete_javascript() {
+    ENCODED_TEXT=$(echo -n "$1" | hexdump -v -e '/1 "%02x"')
+    OUTPUT=$(eval_javascript_in_gnome_shell '
+        const AsyncFunction = async function () {}.constructor;
+
+        const command = `
+            const JsParse = await import("resource:///org/gnome/shell/misc/jsParse.js");
+
+            function getGlobalState() {
+                const keywords = ["true", "false", "null", "new"];
+                const windowProperties = Object.getOwnPropertyNames(globalThis).filter(
+                    a => a.charAt(0) !== "_");
+                const headerProperties = JsParse.getDeclaredConstants(commandHeader);
+
+                return keywords.concat(windowProperties).concat(headerProperties);
+            }
+
+            const commandHeader = '"'"'const {Clutter, Gio, GLib, GObject, Meta, Shell, St} = imports.gi; const Main = await import("resource:///org/gnome/shell/ui/main.js"); const inspect = Main.lookingGlass.inspect.bind(Main.lookingGlass); const it = Main.lookingGlass.getIt(); const r = Main.lookingGlass.getResult.bind(Main.lookingGlass);'"'"';
+
+            const text="'${ENCODED_TEXT}'".replace(/([0-9a-fA-F]{2})/g, (_, h) => String.fromCharCode(parseInt(h, 16)));
+            const completions = await JsParse.getCompletions(text, commandHeader, getGlobalState());
+            return {
+                "completions": completions[0],
+                "attrHead": completions[1]
+            };`;
+        AsyncFunction(command)();
+    ')
+    if [ $? = 1 ]; then
+        echo fail
+    fi
+    echo "$OUTPUT"
+}
+
+autocomplete() {
+    RESULT="$(eval_autocomplete_javascript "$READLINE_LINE")"
+    COMPLETIONS="$(echo "$RESULT" | jq '.completions[]' | sed 's/\"//g')"
+    ATTR_HEAD=$(echo "$RESULT" | jq '.attrHead' | sed 's/\"//g')
+    N_COMPLETIONS=$(echo "$COMPLETIONS" | wc -w)
+    if [ $N_COMPLETIONS = 0 ]; then
+        return
+    elif [ $N_COMPLETIONS = 1 ]; then
+        TO_ADD=$(echo $COMPLETIONS | sed s/$ATTR_HEAD//)
+        READLINE_LINE+="$TO_ADD"
+        (( READLINE_POINT += $(echo "$TO_ADD" | wc -c) ))
+    else
+        tput rc
+        echo
+        echo "$COMPLETIONS" | pr -T -2 -o 4
+        ask_user_for_input
+    fi
+}
+
+inspect() {
+    eval_javascript_in_gnome_shell '
+        const AsyncFunction = async function () {}.constructor;
+
+        delete Main.lookingGlass._lastInspection;
+        const command = `
+            const Main = await import("resource:///org/gnome/shell/ui/main.js");
+            const LookingGlass = await import("resource:///org/gnome/shell/ui/lookingGlass.js");
+
+            Main.lookingGlass._inspector = new LookingGlass.Inspector(Main.lookingGlass);
+            const inspector = Main.lookingGlass._inspector;
+
+            inspector.connectObject("target", (i, obj, stageX, stageY) => {
+                let command = "inspect(" + Math.round(stageX) + ", " + Math.round(stageY) + ")";
+                Main.lookingGlass._lastInspection = command;
+            },
+            "closed", () => {
+                delete Main.lookingGlass._inspector;
+            });
+        `;
+        AsyncFunction(command)();
+    '
+
+    while sleep .250; do
+        finished=$(eval_javascript_in_gnome_shell 'Main.lookingGlass._inspector? false : true')
+        last_inspection=$(eval_javascript_in_gnome_shell 'Main.lookingGlass._lastInspection' | jq -r)
+
+        [ "$finished" = "true" ] && break
+        [ -n "$last_inspection" ] && break
+    done
+
+    tput rc
+    [ -n "$last_inspection" ] && eval_javascript_in_looking_glass "$last_inspection"
+    eval_javascript_in_gnome_shell 'delete Main.lookingGlass._lastInspection; Main.lookingGlass.setBorderPaintTarget(null);' > /dev/null
+
+    ask_user_for_input
+}
+
+main_loop() {
+    bind -x '"\a"':inspect 2> /dev/null
+    bind -x '"\t"':autocomplete 2> /dev/null
+    bind -x '"\f"':clear_screen 2> /dev/null
+    while true; do
+        ask_user_for_input
+        eval_javascript_in_looking_glass "$input_buffer"
+    done
+}
+
+check_for_unsafe_mode
+
+trap 'quit_message' SIGINT
+trap restore_terminal EXIT
+
+init_terminal
+load_history
+print_status_line
+main_loop
+restore_terminal