diff --git a/public/scripts/extensions/connection-manager/index.js b/public/scripts/extensions/connection-manager/index.js
index f31e4b495..d56073b4c 100644
--- a/public/scripts/extensions/connection-manager/index.js
+++ b/public/scripts/extensions/connection-manager/index.js
@@ -16,12 +16,19 @@ import { t } from '../../i18n.js';
 
 const MODULE_NAME = 'connection-manager';
 const NONE = '<None>';
+const EMPTY = '<Empty>';
 
 const DEFAULT_SETTINGS = {
     profiles: [],
     selectedProfile: null,
 };
 
+// Commands that can record an empty value into the profile
+const ALLOW_EMPTY = [
+    'stop-strings',
+    'start-reply-with',
+];
+
 const CC_COMMANDS = [
     'api',
     'preset',
@@ -31,6 +38,7 @@ const CC_COMMANDS = [
     'model',
     'proxy',
     'stop-strings',
+    'start-reply-with',
 ];
 
 const TC_COMMANDS = [
@@ -45,6 +53,7 @@ const TC_COMMANDS = [
     'instruct-state',
     'tokenizer',
     'stop-strings',
+    'start-reply-with',
 ];
 
 const FANCY_NAMES = {
@@ -60,6 +69,7 @@ const FANCY_NAMES = {
     'context': 'Context Template',
     'tokenizer': 'Tokenizer',
     'stop-strings': 'Custom Stopping Strings',
+    'start-reply-with': 'Start Reply With',
 };
 
 /**
@@ -107,6 +117,7 @@ class ConnectionManagerSpinner {
 /**
  * Get named arguments for the command callback.
  * @param {object} [args] Additional named arguments
+ * @param {string} [args.force] Whether to force setting the value
  * @returns {object} Named arguments
  */
 function getNamedArguments(args = {}) {
@@ -142,6 +153,7 @@ const profilesProvider = () => [
  * @property {string} [instruct-state] Instruct Mode
  * @property {string} [tokenizer] Tokenizer
  * @property {string} [stop-strings] Custom Stopping Strings
+ * @property {string} [start-reply-with] Start Reply With
  * @property {string[]} [exclude] Commands to exclude
  */
 
@@ -186,9 +198,10 @@ async function readProfileFromCommands(mode, profile, cleanUp = false) {
                 continue;
             }
 
+            const allowEmpty = ALLOW_EMPTY.includes(command);
             const args = getNamedArguments();
             const result = await SlashCommandParser.commands[command].callback(args, '');
-            if (result) {
+            if (result || (allowEmpty && result === '')) {
                 profile[command] = result;
                 continue;
             }
@@ -309,7 +322,14 @@ async function deleteConnectionProfile() {
  */
 function makeFancyProfile(profile) {
     return Object.entries(FANCY_NAMES).reduce((acc, [key, value]) => {
-        if (!profile[key]) return acc;
+        const allowEmpty = ALLOW_EMPTY.includes(key);
+        if (!profile[key]) {
+            if (profile[key] === '' && allowEmpty) {
+                acc[value] = EMPTY;
+            }
+            return acc;
+        }
+
         acc[value] = profile[key];
         return acc;
     }, {});
@@ -339,11 +359,12 @@ async function applyConnectionProfile(profile) {
         }
 
         const argument = profile[command];
-        if (!argument) {
+        const allowEmpty = ALLOW_EMPTY.includes(command);
+        if (!argument && !(allowEmpty && argument === '')) {
             continue;
         }
         try {
-            const args = getNamedArguments();
+            const args = getNamedArguments(allowEmpty ? { force: 'true' } : {});
             await SlashCommandParser.commands[command].callback(args, argument);
         } catch (error) {
             console.error(`Failed to execute command: ${command} ${argument}`, error);
diff --git a/public/scripts/power-user.js b/public/scripts/power-user.js
index f114e6254..521868663 100644
--- a/public/scripts/power-user.js
+++ b/public/scripts/power-user.js
@@ -4134,16 +4134,27 @@ $(document).ready(() => {
         helpString: `
             <div>
                 Sets a list of custom stopping strings. Gets the list if no value is provided.
+                Use a "force" argument to force set an empty value.
             </div>
             <div>
                 <strong>Examples:</strong>
             </div>
             <ul>
+                <li>Force set an empty value: <pre><code class="language-stscript">/stop-strings force="true" {{noop}}</code></pre></li>
                 <li>Value must be a JSON-serialized array: <pre><code class="language-stscript">/stop-strings ["goodbye", "farewell"]</code></pre></li>
                 <li>Pipe characters must be escaped with a backslash: <pre><code class="language-stscript">/stop-strings ["left\\|right"]</code></pre></li>
             </ul>
         `,
         returns: ARGUMENT_TYPE.LIST,
+        namedArgumentList: [
+            SlashCommandNamedArgument.fromProps({
+                name: 'force',
+                description: 'force set a value if empty',
+                typeList: [ARGUMENT_TYPE.BOOLEAN],
+                defaultValue: 'false',
+                enumList: commonEnumProviders.boolean('trueFalse')(),
+            }),
+        ],
         unnamedArgumentList: [
             SlashCommandArgument.fromProps({
                 description: 'list of strings',
@@ -4152,21 +4163,80 @@ $(document).ready(() => {
                 isRequired: false,
             }),
         ],
-        callback: (_, value) => {
-            if (String(value ?? '').trim()) {
-                const parsedValue = ((x) => { try { return JSON.parse(x.toString()); } catch { return null; } })(value);
-                if (!parsedValue || !Array.isArray(parsedValue)) {
-                    throw new Error('Invalid list format. The value must be a JSON-serialized array of strings.');
-                }
-                parsedValue.forEach((item, index) => {
-                    parsedValue[index] = String(item);
-                });
-                power_user.custom_stopping_strings = JSON.stringify(parsedValue);
-                $('#custom_stopping_strings').val(power_user.custom_stopping_strings);
-                saveSettingsDebounced();
+        callback: (args, value) => {
+            const force = isTrueBoolean(String(args?.force ?? false));
+            value = String(value ?? '').trim();
+
+            // Skip processing if no value and not forced
+            if (!force && !value) {
+                return power_user.custom_stopping_strings;
             }
 
+            // Use empty array for forced empty value
+            if (force && !value) {
+                value = JSON.stringify([]);
+            }
+
+            const parsedValue = ((x) => { try { return JSON.parse(x.toString()); } catch { return null; } })(value);
+            if (!parsedValue || !Array.isArray(parsedValue)) {
+                throw new Error('Invalid list format. The value must be a JSON-serialized array of strings.');
+            }
+            parsedValue.forEach((item, index) => {
+                parsedValue[index] = String(item);
+            });
+            power_user.custom_stopping_strings = JSON.stringify(parsedValue);
+            $('#custom_stopping_strings').val(power_user.custom_stopping_strings);
+            saveSettingsDebounced();
+
             return power_user.custom_stopping_strings;
         },
     }));
+    SlashCommandParser.addCommandObject(SlashCommand.fromProps({
+        name: 'start-reply-with',
+        helpString: `
+            <div>
+                Sets a "Start Reply With". Gets the current value if no value is provided.
+                Use a "force" argument to force set an empty value.
+            </div>
+            <div>
+                <strong>Examples:</strong>
+            </div>
+            <ul>
+                <li>Set the field value: <pre><code class="language-stscript">/start-reply-with Sure!</code></pre></li>
+                <li>Force set an empty value: <pre><code class="language-stscript">/start-reply-with force="true" {{noop}}</code></pre></li>
+            </ul>
+        `,
+        namedArgumentList: [
+            SlashCommandNamedArgument.fromProps({
+                name: 'force',
+                description: 'force set a value if empty',
+                typeList: [ARGUMENT_TYPE.BOOLEAN],
+                defaultValue: 'false',
+                enumList: commonEnumProviders.boolean('trueFalse')(),
+            }),
+        ],
+        unnamedArgumentList:[
+            SlashCommandArgument.fromProps({
+                description: 'value',
+                typeList: [ARGUMENT_TYPE.STRING],
+                acceptsMultiple: false,
+                isRequired: false,
+            }),
+        ],
+        callback: (args, value) => {
+            const force = isTrueBoolean(String(args?.force ?? false));
+            value = String(value ?? '').trim();
+
+            // Skip processing if no value and not forced
+            if (!force && !value) {
+                return power_user.user_prompt_bias;
+            }
+
+            power_user.user_prompt_bias = value;
+            $('#start_reply_with').val(power_user.user_prompt_bias);
+            saveSettingsDebounced();
+
+            return power_user.user_prompt_bias;
+        },
+    }));
 });