diff --git a/public/script.js b/public/script.js
index a20a04ccb..31156c99c 100644
--- a/public/script.js
+++ b/public/script.js
@@ -2393,7 +2393,7 @@ async function processCommands(message) {
     }
 
     const previousText = String($('#send_textarea').val());
-    const result = await executeSlashCommands(message);
+    const result = await executeSlashCommands(message, true, null, true);
 
     if (!result || typeof result !== 'object') {
         return false;
diff --git a/public/scripts/slash-commands.js b/public/scripts/slash-commands.js
index 3934cfde7..f0503c35d 100644
--- a/public/scripts/slash-commands.js
+++ b/public/scripts/slash-commands.js
@@ -1757,7 +1757,7 @@ function modelCallback(_, model) {
  * @param {SlashCommandScope} scope The scope to be used when executing the commands.
  * @returns {Promise<SlashCommandClosureResult>}
  */
-async function executeSlashCommands(text, handleParserErrors = true, scope = null) {
+async function executeSlashCommands(text, handleParserErrors = true, scope = null, handleExecutionErrors = false) {
     if (!text) {
         return null;
     }
@@ -1780,13 +1780,26 @@ async function executeSlashCommands(text, handleParserErrors = true, scope = nul
                 'SlashCommandParserError',
                 { escapeHtml:false, timeOut: 10000, onclick:()=>callPopup(toast, 'text') },
             );
-            return;
+            const result = new SlashCommandClosureResult();
+            result.interrupt = true;
+            return result;
         } else {
             throw e;
         }
     }
 
-    return await closure.execute();
+    try {
+        return await closure.execute();
+    } catch (e) {
+        if (handleExecutionErrors) {
+            toastr.error(e.message);
+            const result = new SlashCommandClosureResult();
+            result.interrupt = true;
+            return result;
+        } else {
+            throw e;
+        }
+    }
 }
 
 /**
@@ -1794,7 +1807,7 @@ async function executeSlashCommands(text, handleParserErrors = true, scope = nul
  * @param {HTMLTextAreaElement} textarea The textarea to receive autocomplete
  * @param {Boolean} isFloating Whether to show the auto complete as a floating window (e.g., large QR editor)
  */
-export function setSlashCommandAutoComplete(textarea, isFloating = false) {
+export async function setSlashCommandAutoComplete(textarea, isFloating = false) {
     const dom = document.createElement('ul'); {
         dom.classList.add('slashCommandAutoComplete');
     }
@@ -1803,13 +1816,16 @@ export function setSlashCommandAutoComplete(textarea, isFloating = false) {
     let selectedItem = null;
     let isActive = false;
     let text;
+    /**@type {SlashCommandExecutor}*/
     let executor;
     let clone;
+    let startQuote;
+    let endQuote;
     const hide = () => {
         dom?.remove();
         isActive = false;
     };
-    const show = (isInput = false, isForced = false) => {
+    const show = async(isInput = false, isForced = false) => {
         //TODO check if isInput and isForced are both required
         text = textarea.value;
         // only show with textarea in focus
@@ -1819,16 +1835,47 @@ export function setSlashCommandAutoComplete(textarea, isFloating = false) {
 
         // request parser to get command executor (potentially "incomplete", i.e. not an actual existing command) for
         // cursor position
-        executor = parser.getCommandAt(text, textarea.selectionStart);
-        let slashCommand = executor?.name?.toLowerCase() ?? '';
+        const parserResult = parser.getCommandAt(text, textarea.selectionStart);
+        let run;
+        let options;
+        if (Array.isArray(parserResult)) {
+            executor = null;
+            run = parserResult[0];
+            options = parserResult[1];
+            startQuote = text[run.start - 2] == '"';
+            endQuote = startQuote && text[run.start - 2 + run.value.length + 1] == '"';
+            try {
+                const qrApi = (await import('./extensions/quick-reply/index.js')).quickReplyApi;
+                options.push(...qrApi.listSets().map(set=>qrApi.listQuickReplies(set).map(qr=>`${set}.${qr}`)).flat());
+            } catch { /* empty */ }
+        } else {
+            executor = parserResult;
+        }
+        let slashCommand = run ? run.value?.toLowerCase() : executor?.name?.toLowerCase() ?? '';
         // do autocomplete if triggered by a user input and we either don't have an executor or the cursor is at the end
         // of the name part of the command
-        isReplacable = isInput && (!executor ? true : textarea.selectionStart == executor.start - 2 + executor.name.length + 1);
+        if (options) {
+            isReplacable = isInput && (!run.value ? true : textarea.selectionStart == run.start - 2 + run.value.length + (startQuote ? 1 : 0));
+        } else {
+            isReplacable = isInput && (!executor ? true : textarea.selectionStart == executor.start - 2 + executor.name.length);
+        }
         // if forced (ctrl+space) or user input and cursor is in the middle of the name part (not at the end)
-        if ((isForced || isInput) && executor && textarea.selectionStart > executor.start - 2 && textarea.selectionStart <= executor.start - 2 + executor.name.length + 1) {
-            slashCommand = slashCommand.slice(0, textarea.selectionStart - (executor.start - 2) - 1);
-            executor.name = slashCommand;
-            executor.end = executor.start + slashCommand.length;
+        if ((isForced || isInput)
+            && (
+                ((executor) && textarea.selectionStart >= executor.start - 2 && textarea.selectionStart <= executor.start - 2 + executor.name.length)
+                ||
+                ((run) && textarea.selectionStart >= run.start - 2 && textarea.selectionStart <= run.start - 2 + run.value.length + (startQuote ? 1 : 0))
+            )
+        ){
+            if (run) {
+                slashCommand = slashCommand.slice(0, textarea.selectionStart - (run.start - 2) - (startQuote ? 1 : 0));
+                run.value = slashCommand;
+                run.end = run.start + slashCommand.length;
+            } else {
+                slashCommand = slashCommand.slice(0, textarea.selectionStart - (executor.start - 2));
+                executor.name = slashCommand;
+                executor.end = executor.start + slashCommand.length;
+            }
             isReplacable = true;
         }
 
@@ -1874,14 +1921,14 @@ export function setSlashCommandAutoComplete(textarea, isFloating = false) {
             if (a.score.longestConsecutive < b.score.longestConsecutive) return 1;
             return a.name.localeCompare(b.name);
         };
-        const buildHelpStringName = (name) => {
+        const buildHelpStringName = (name, noSlash=false) => {
             switch (matchType) {
                 case 'strict': {
-                    return `<span class="monospace">/<span class="matched">${name.slice(0, slashCommand.length)}</span>${name.slice(slashCommand.length)}</span> `;
+                    return `<span class="monospace">${noSlash?'':'/'}<span class="matched">${name.slice(0, slashCommand.length)}</span>${name.slice(slashCommand.length)}</span> `;
                 }
                 case 'includes': {
                     const start = name.toLowerCase().search(slashCommand);
-                    return `<span class="monospace">/${name.slice(0, start)}<span class="matched">${name.slice(start, start + slashCommand.length)}</span>${name.slice(start + slashCommand.length)}</span> `;
+                    return `<span class="monospace">${noSlash?'':'/'}${name.slice(0, start)}<span class="matched">${name.slice(start, start + slashCommand.length)}</span>${name.slice(start + slashCommand.length)}</span> `;
                 }
                 case 'fuzzy': {
                     const matched = name.replace(fuzzyRegex, (_, ...parts)=>{
@@ -1897,21 +1944,29 @@ export function setSlashCommandAutoComplete(textarea, isFloating = false) {
                             return it;
                         }).join('');
                     });
-                    return `<span class="monospace">/${matched}</span> `;
+                    return `<span class="monospace">${noSlash?'':'/'}${matched}</span> `;
                 }
             }
         };
 
         // don't show if no executor found, i.e. cursor's area is not a command
-        if (!executor) return hide();
+        if (!executor && !options) return hide();
         else {
-            const helpStrings = Object
-                .keys(parser.commands) // Get all slash commands
-                .filter(it => executor.name == '' || isReplacable ? matchers[matchType](it) : it.toLowerCase() == slashCommand) // Filter by the input
+            const helpStrings = (options ?? Object.keys(parser.commands)) // Get all slash commands
+                .filter(it => run?.value == '' || executor?.name == '' || isReplacable ? matchers[matchType](it) : it.toLowerCase() == slashCommand) // Filter by the input
             ;
             result = helpStrings
-                .filter((it,idx)=>[idx, -1].includes(helpStrings.indexOf(parser.commands[it].name.toLowerCase()))) // remove duplicates
+                .filter((it,idx)=>options || [idx, -1].includes(helpStrings.indexOf(parser.commands[it].name.toLowerCase()))) // remove duplicates
                 .map(name => {
+                    if (options) {
+                        return {
+                            name: name,
+                            label: `<span class="type monospace">${name.includes('.')?'QR':'𝑥'}</span> ${buildHelpStringName(name, true)}`,
+                            value: name.includes(' ') || startQuote || endQuote ? `"${name}"` : `${name}`,
+                            score: matchType == 'fuzzy' ? fuzzyScore(name) : null,
+                            li: null,
+                        };
+                    }
                     const cmd = parser.commands[name];
                     let aliases = '';
                     if (cmd.aliases?.length > 0) {
@@ -1926,7 +1981,7 @@ export function setSlashCommandAutoComplete(textarea, isFloating = false) {
                     return {
                         name: name,
                         label: `${buildHelpStringName(name)}${cmd.helpString}${aliases}`,
-                        value: `/${name}`,
+                        value: `${name}`,
                         score: matchType == 'fuzzy' ? fuzzyScore(name) : null,
                         li: null,
                     };
@@ -1941,16 +1996,30 @@ export function setSlashCommandAutoComplete(textarea, isFloating = false) {
                 return hide();
             }
             // otherwise add "no match" notice
-            result.push({
-                name: '',
-                label: `No matching commands for "/${slashCommand}"`,
-                value:'',
-                score: null,
-                li: null,
-            });
-        } else if (result.length == 1 && result[0].value == `/${executor.name}`) {
+            if (options) {
+                result.push({
+                    name: '',
+                    label: slashCommand.length ?
+                        `No matching variables in scope for "${slashCommand}"`
+                        : 'No variables in scope.',
+                    value: null,
+                    score: null,
+                    li: null,
+                });
+            } else {
+                result.push({
+                    name: '',
+                    label: `No matching commands for "/${slashCommand}"`,
+                    value: null,
+                    score: null,
+                    li: null,
+                });
+            }
+        } else if (result.length == 1 && ((executor && result[0].value == `/${executor.name}`) || (options && result[0].value == run.value))) {
             // only one result that is exactly the current value? just show hint, no autocomplete
             isReplacable = false;
+        } else if (!isReplacable && result.length > 1) {
+            return hide();
         }
 
         // render autocomplete list
@@ -2001,6 +2070,9 @@ export function setSlashCommandAutoComplete(textarea, isFloating = false) {
         updatePosition();
         document.body.append(dom);
         isActive = true;
+        if (options) {
+            executor = {start:run.start, name:`${slashCommand}`};
+        }
     };
     const updatePosition = () => {
         if (isFloating) {
@@ -2074,8 +2146,8 @@ export function setSlashCommandAutoComplete(textarea, isFloating = false) {
     };
     let pointerup = Promise.resolve();
     const select = async() => {
-        if (isReplacable) {
-            textarea.value = `${text.slice(0, executor.start - 2)}${selectedItem.value}${text.slice(executor.start - 2 + executor.name.length + 1)}`;
+        if (isReplacable && selectedItem.value !== null) {
+            textarea.value = `${text.slice(0, executor.start - 2)}${selectedItem.value}${text.slice(executor.start - 2 + executor.name.length + (startQuote ? 1 : 0) + (endQuote ? 1 : 0))}`;
             await pointerup;
             textarea.focus();
             textarea.selectionStart = executor.start - 2 + selectedItem.value.length;
diff --git a/public/scripts/slash-commands/SlashCommandClosure.js b/public/scripts/slash-commands/SlashCommandClosure.js
index 30d81516d..6880dcc60 100644
--- a/public/scripts/slash-commands/SlashCommandClosure.js
+++ b/public/scripts/slash-commands/SlashCommandClosure.js
@@ -8,9 +8,9 @@ export class SlashCommandClosure {
     /**@type {SlashCommandScope}*/ scope;
     /**@type {Boolean}*/ executeNow = false;
     // @ts-ignore
-    /**@type {Map<string,string|SlashCommandClosure>}*/ arguments = {};
+    /**@type {Object.<string,string|SlashCommandClosure>}*/ arguments = {};
     // @ts-ignore
-    /**@type {Map<string,string|SlashCommandClosure>}*/ providedArguments = {};
+    /**@type {Object.<string,string|SlashCommandClosure>}*/ providedArguments = {};
     /**@type {SlashCommandExecutor[]}*/ executorList = [];
     /**@type {String}*/ keptText;
 
diff --git a/public/scripts/slash-commands/SlashCommandClosureExecutor.js b/public/scripts/slash-commands/SlashCommandClosureExecutor.js
index 0f932b174..70ac43bb3 100644
--- a/public/scripts/slash-commands/SlashCommandClosureExecutor.js
+++ b/public/scripts/slash-commands/SlashCommandClosureExecutor.js
@@ -1,5 +1,5 @@
 export class SlashCommandClosureExecutor {
     /**@type {String}*/ name = '';
     // @ts-ignore
-    /**@type {Map<string,string|SlashCommandClosure>}*/ providedArguments = {};
+    /**@type {Object.<string,string|SlashCommandClosure>}*/ providedArguments = {};
 }
diff --git a/public/scripts/slash-commands/SlashCommandExecutor.js b/public/scripts/slash-commands/SlashCommandExecutor.js
index e44ba31b3..aa78aebfb 100644
--- a/public/scripts/slash-commands/SlashCommandExecutor.js
+++ b/public/scripts/slash-commands/SlashCommandExecutor.js
@@ -10,7 +10,7 @@ export class SlashCommandExecutor {
     /**@type {String}*/ name = '';
     /**@type {SlashCommand}*/ command;
     // @ts-ignore
-    /**@type {Map<String,String|SlashCommandClosure>}*/ args = {};
+    /**@type {Object.<string,String|SlashCommandClosure>}*/ args = {};
     /**@type {String|SlashCommandClosure|(String|SlashCommandClosure)[]}*/ value;
 
     constructor(start) {
diff --git a/public/scripts/slash-commands/SlashCommandParser.js b/public/scripts/slash-commands/SlashCommandParser.js
index eb0132a32..ec54b6874 100644
--- a/public/scripts/slash-commands/SlashCommandParser.js
+++ b/public/scripts/slash-commands/SlashCommandParser.js
@@ -18,6 +18,7 @@ export class SlashCommandParser {
     /**@type {SlashCommandScope}*/ scope;
 
     /**@type {SlashCommandExecutor[]}*/ commandIndex;
+    /**@type {SlashCommandScope[]}*/ scopeIndex;
 
     get ahead() {
         return this.text.slice(this.index + 1);
@@ -167,6 +168,12 @@ export class SlashCommandParser {
         <li>This will remove the first message in chat, send a system message that starts with 'Hello,', and then ask the AI to continue the message.</li></ul>`;
     }
 
+    /**
+     *
+     * @param {*} text
+     * @param {*} index
+     * @returns {SlashCommandExecutor|String[]}
+     */
     getCommandAt(text, index) {
         try {
             this.parse(text, false);
@@ -180,7 +187,8 @@ export class SlashCommandParser {
             .slice(-1)[0]
             ?? null
         ;
-        if (executor && executor.name == ':') return null;
+        const scope = this.scopeIndex[this.commandIndex.indexOf(executor)];
+        if (executor && executor.name == ':') return [executor, scope?.allVariableNames];
         return executor;
     }
 
@@ -205,6 +213,7 @@ export class SlashCommandParser {
         this.index = 0;
         this.scope = null;
         this.commandIndex = [];
+        this.scopeIndex = [];
         const closure = this.parseClosure();
         closure.keptText = this.keptText;
         return closure;
@@ -226,6 +235,7 @@ export class SlashCommandParser {
         while (this.testNamedArgument()) {
             const arg = this.parseNamedArgument();
             closure.arguments[arg.key] = arg.value;
+            this.scope.variableNames.push(arg.key);
             this.discardWhitespace();
         }
         while (!this.testClosureEnd()) {
@@ -269,12 +279,13 @@ export class SlashCommandParser {
         return this.testCommandEnd();
     }
     parseRunShorthand() {
-        const start = this.index;
+        const start = this.index + 2;
         const cmd = new SlashCommandExecutor(start);
         cmd.name = ':';
         cmd.value = '';
-        cmd.command = this.commands[cmd.name];
+        cmd.command = this.commands['run'];
         this.commandIndex.push(cmd);
+        this.scopeIndex.push(this.scope.getCopy());
         this.take(2); //discard "/:"
         if (this.testQuotedValue()) cmd.value = this.parseQuotedValue();
         else cmd.value = this.parseValue();
@@ -303,9 +314,10 @@ export class SlashCommandParser {
         return this.testClosureEnd() || this.endOfText || (this.char == '|' && this.behind.slice(-1) != '\\');
     }
     parseCommand() {
-        const start = this.index;
+        const start = this.index + 1;
         const cmd = new SlashCommandExecutor(start);
         this.commandIndex.push(cmd);
+        this.scopeIndex.push(this.scope.getCopy());
         this.take(); // discard "/"
         while (!/\s/.test(this.char) && !this.testCommandEnd()) cmd.name += this.take(); // take chars until whitespace or end
         this.discardWhitespace();
@@ -319,6 +331,15 @@ export class SlashCommandParser {
         this.discardWhitespace();
         if (this.testUnnamedArgument()) {
             cmd.value = this.parseUnnamedArgument();
+            if (cmd.name == 'let') {
+                if (Array.isArray(cmd.value)) {
+                    if (typeof cmd.value[0] == 'string') {
+                        this.scope.variableNames.push(cmd.value[0]);
+                    }
+                } else if (typeof cmd.value == 'string') {
+                    this.scope.variableNames.push(cmd.value.split(/\s+/)[0]);
+                }
+            }
         }
         if (this.testCommandEnd()) {
             cmd.end = this.index;
@@ -380,7 +401,7 @@ export class SlashCommandParser {
             if (listValues.length == 1) return listValues[0];
             return listValues;
         }
-        return value.trim();
+        return value.trim().replace(/\\([\s{:])/g, '$1');
     }
 
     testQuotedValue() {
diff --git a/public/scripts/slash-commands/SlashCommandScope.js b/public/scripts/slash-commands/SlashCommandScope.js
index b2e068c23..c555c51e5 100644
--- a/public/scripts/slash-commands/SlashCommandScope.js
+++ b/public/scripts/slash-commands/SlashCommandScope.js
@@ -1,8 +1,13 @@
 export class SlashCommandScope {
+    /**@type {String[]}*/ variableNames = [];
+    get allVariableNames() {
+        const names = [...this.variableNames, ...(this.parent?.allVariableNames ?? [])];
+        return names.filter((it,idx)=>idx == names.indexOf(it));
+    }
     // @ts-ignore
-    /**@type {Map<String, Object>}*/ variables = {};
+    /**@type {Object.<string, Object>}*/ variables = {};
     // @ts-ignore
-    /**@type {Map<String, Object>}*/ macros = {};
+    /**@type {Object.<string, Object>}*/ macros = {};
     get macroList() {
         return [...Object.keys(this.macros).map(key=>({ key, value:this.macros[key] })), ...(this.parent?.macroList ?? [])];
     }
@@ -22,6 +27,7 @@ export class SlashCommandScope {
 
     getCopy() {
         const scope = new SlashCommandScope(this.parent);
+        scope.variableNames = [...this.variableNames];
         scope.variables = Object.assign({}, this.variables);
         scope.macros = this.macros;
         scope.#pipe = this.#pipe;
diff --git a/public/style.css b/public/style.css
index f63a2734c..6c3bb2b08 100644
--- a/public/style.css
+++ b/public/style.css
@@ -1129,6 +1129,15 @@ select {
             background-color: var(--ac-color-selected-background);
             color: var(--ac-color-selected-text);
         }
+        > .type {
+            display: inline-block;
+            width: 2.75em;
+            font-size: 0.8em;
+            text-align: center;
+            opacity: 0.6;
+            &:before { content: "["; }
+            &:after { content: "]"; }
+        }
         .matched {
             background-color: var(--ac-color-matched-background);
             color: var(--ac-color-matched-text);