diff --git a/public/scripts/slash-commands/SlashCommand.js b/public/scripts/slash-commands/SlashCommand.js
index d83a157de..974e92fc0 100644
--- a/public/scripts/slash-commands/SlashCommand.js
+++ b/public/scripts/slash-commands/SlashCommand.js
@@ -63,6 +63,10 @@ export class SlashCommand {
     /**@type {Object.<string, HTMLElement>}*/ helpCache = {};
     /**@type {Object.<string, DocumentFragment>}*/ helpDetailsCache = {};
 
+    /**@type {boolean}*/ isExtension = false;
+    /**@type {boolean}*/ isThirdParty = false;
+    /**@type {string}*/ source;
+
     renderHelpItem(key = null) {
         key = key ?? this.name;
         if (!this.helpCache[key]) {
@@ -227,12 +231,35 @@ export class SlashCommand {
             const aliasList = [cmd.name, ...(cmd.aliases ?? [])].filter(it=>it != key);
             const specs = document.createElement('div'); {
                 specs.classList.add('specs');
-                const name = document.createElement('div'); {
-                    name.classList.add('name');
-                    name.classList.add('monospace');
-                    name.title = 'command name';
-                    name.textContent = `/${key}`;
-                    specs.append(name);
+                const head = document.createElement('div'); {
+                    head.classList.add('head');
+                    const name = document.createElement('div'); {
+                        name.classList.add('name');
+                        name.classList.add('monospace');
+                        name.title = 'command name';
+                        name.textContent = `/${key}`;
+                        head.append(name);
+                    }
+                    const src = document.createElement('div'); {
+                        src.classList.add('source');
+                        src.classList.add('fa-solid');
+                        if (this.isExtension) {
+                            src.classList.add('isExtension');
+                            src.classList.add('fa-cubes');
+                            if (this.isThirdParty) src.classList.add('isThirdParty');
+                            else src.classList.add('isCore');
+                        } else {
+                            src.classList.add('isCore');
+                            src.classList.add('fa-star-of-life');
+                        }
+                        src.title = [
+                            this.isExtension ? 'Extension' : 'Core',
+                            this.isThirdParty ? 'Third Party' : (this.isExtension ? 'Core' : null),
+                            this.source,
+                        ].filter(it=>it).join('\n');
+                        head.append(src);
+                    }
+                    specs.append(head);
                 }
                 const body = document.createElement('div'); {
                     body.classList.add('body');
diff --git a/public/scripts/slash-commands/SlashCommandParser.js b/public/scripts/slash-commands/SlashCommandParser.js
index a3688554b..333278c5c 100644
--- a/public/scripts/slash-commands/SlashCommandParser.js
+++ b/public/scripts/slash-commands/SlashCommandParser.js
@@ -73,6 +73,18 @@ export class SlashCommandParser {
             console.trace('WARN: Duplicate slash command registered!', [command.name, ...command.aliases]);
         }
 
+        const stack = new Error().stack.split('\n').map(it=>it.trim());
+        command.isExtension = stack.find(it=>it.includes('/scripts/extensions/')) != null;
+        command.isThirdParty = stack.find(it=>it.includes('/scripts/extensions/third-party/')) != null;
+        if (command.isThirdParty) {
+            command.source = stack.find(it=>it.includes('/scripts/extensions/third-party/')).replace(/^.*?\/scripts\/extensions\/third-party\/([^/]+)\/.*$/, '$1');
+        } else if (command.isExtension) {
+            command.source = stack.find(it=>it.includes('/scripts/extensions/')).replace(/^.*?\/scripts\/extensions\/([^/]+)\/.*$/, '$1');
+        } else {
+            const idx = stack.findLastIndex(it=>it.includes('at SlashCommandParser\.')) + 1;
+            command.source = stack[idx].replace(/^.*?\/((?:scripts\/)?(?:[^/]+)\.js).*$/, '$1');
+        }
+
         this.commands[command.name] = command;
 
         if (Array.isArray(command.aliases)) {
diff --git a/public/style.css b/public/style.css
index c7bc6023c..d3679dc3b 100644
--- a/public/style.css
+++ b/public/style.css
@@ -1744,7 +1744,12 @@ body[data-stscript-style] .hljs.language-stscript {
         padding: 0.25em 0.25em 0.5em 0.25em;
         border-bottom: 1px solid var(--ac-color-border);
 
-        >.name {
+        > .head {
+            display: flex;
+            gap: 0.5em;
+        }
+        > .head > .name, > .name {
+            flex: 1 1 auto;
             font-weight: bold;
             color: var(--ac-color-text);
             cursor: help;
@@ -1753,6 +1758,35 @@ body[data-stscript-style] .hljs.language-stscript {
                 text-decoration: 1px dotted underline;
             }
         }
+        > .head > .source {
+            padding: 0 0.5em;
+            cursor: help;
+            display: flex;
+            align-items: center;
+            gap: 0.5em;
+            &.isThirdParty.isExtension {
+                color: #F89406;
+            }
+            &.isCore {
+                color: transparent;
+                &.isExtension {
+                    color: #51A351;
+                }
+                &:after {
+                    content: '';
+                    order: -1;
+                    height: 14px;
+                    aspect-ratio: 1 / 1;
+                    background-image: url('/favicon.ico');
+                    background-size: contain;
+                    background-repeat: no-repeat;
+                }
+            }
+
+            &:hover {
+                text-decoration: 1px dotted underline;
+            }
+        }
 
         >.body {
             flex-direction: column;
@@ -1840,7 +1874,7 @@ body[data-stscript-style] .hljs.language-stscript {
 
             >code {
                 display: block;
-                padding: 0;
+                padding: 1px;
             }
         }
     }