diff --git a/packages/api-extractor/extends/tsdoc-base.json b/packages/api-extractor/extends/tsdoc-base.json
index c5a78650b191..ca6520cfd49c 100644
--- a/packages/api-extractor/extends/tsdoc-base.json
+++ b/packages/api-extractor/extends/tsdoc-base.json
@@ -71,6 +71,7 @@
 
 		"@betaDocumentation": true,
 		"@internalRemarks": true,
+		"@mixes": true,
 		"@preapproved": true
 	}
 }
diff --git a/packages/builders/src/interactions/commands/chatInput/ChatInputCommand.ts b/packages/builders/src/interactions/commands/chatInput/ChatInputCommand.ts
index 82cd54820716..2401678ca5eb 100644
--- a/packages/builders/src/interactions/commands/chatInput/ChatInputCommand.ts
+++ b/packages/builders/src/interactions/commands/chatInput/ChatInputCommand.ts
@@ -1,3 +1,4 @@
+/* eslint-disable jsdoc/valid-types */
 import { ApplicationCommandType, type RESTPostAPIChatInputApplicationCommandsJSONBody } from 'discord-api-types/v10';
 import { Mixin } from 'ts-mixer';
 import { validate } from '../../../util/validation.js';
@@ -10,10 +11,10 @@ import { SharedChatInputCommandSubcommands } from './mixins/SharedSubcommands.js
 /**
  * A builder that creates API-compatible JSON data for chat input commands.
  *
- * @mixes CommandBuilder<RESTPostAPIChatInputApplicationCommandsJSONBody>
- * @mixes SharedChatInputCommandOptions
- * @mixes SharedNameAndDescription
- * @mixes SharedChatInputCommandSubcommands
+ * @mixes {@link CommandBuilder}\<{@link discord-api-types/v10#(RESTPostAPIChatInputApplicationCommandsJSONBody:interface)}\>
+ * @mixes {@link SharedChatInputCommandOptions}
+ * @mixes {@link SharedNameAndDescription}
+ * @mixes {@link SharedChatInputCommandSubcommands}
  */
 export class ChatInputCommandBuilder extends Mixin(
 	CommandBuilder<RESTPostAPIChatInputApplicationCommandsJSONBody>,
diff --git a/packages/builders/tsdoc.json b/packages/builders/tsdoc.json
index 92aaafe6f6db..e191d552933c 100644
--- a/packages/builders/tsdoc.json
+++ b/packages/builders/tsdoc.json
@@ -1,9 +1,4 @@
 {
 	"$schema": "https://developer.microsoft.com/json-schemas/tsdoc/v0/tsdoc.schema.json",
-	"tagDefinitions": [
-		{
-			"tagName": "@mixes",
-			"syntaxKind": "block"
-		}
-	]
+	"extends": ["@discordjs/api-extractor/extends/tsdoc-base.json"]
 }
diff --git a/packages/discord.js/api-extractor.json b/packages/discord.js/api-extractor.json
index 0e5a315890ed..15528fc8dac7 100644
--- a/packages/discord.js/api-extractor.json
+++ b/packages/discord.js/api-extractor.json
@@ -4,6 +4,7 @@
   "bundledPackages": [
     "discord-api-types",
     "@discordjs/builders",
+    "@discordjs/collection",
     "@discordjs/formatters",
     "@discordjs/rest",
     "@discordjs/util",
diff --git a/packages/scripts/src/generateSplitDocumentation.ts b/packages/scripts/src/generateSplitDocumentation.ts
index 703d24116edd..12905293fee7 100644
--- a/packages/scripts/src/generateSplitDocumentation.ts
+++ b/packages/scripts/src/generateSplitDocumentation.ts
@@ -457,13 +457,15 @@ function itemTsDoc(item: DocNode, apiItem: ApiItem) {
 				const comment = node as DocComment;
 
 				const exampleBlocks = comment.customBlocks.filter(
-					(block) => block.blockTag.tagName.toUpperCase() === StandardTags.example.tagNameWithUpperCase,
+					(block) => block.blockTag.tagNameWithUpperCase === StandardTags.example.tagNameWithUpperCase,
 				);
 
 				const defaultValueBlock = comment.customBlocks.find(
-					(block) => block.blockTag.tagName.toUpperCase() === StandardTags.defaultValue.tagNameWithUpperCase,
+					(block) => block.blockTag.tagNameWithUpperCase === StandardTags.defaultValue.tagNameWithUpperCase,
 				);
 
+				const mixesBlocks = comment.customBlocks.filter((block) => block.blockTag.tagNameWithUpperCase === '@MIXES');
+
 				return {
 					kind: DocNodeKind.Comment,
 					deprecatedBlock: comment.deprecatedBlock
@@ -497,6 +499,9 @@ function itemTsDoc(item: DocNode, apiItem: ApiItem) {
 					seeBlocks: comment.seeBlocks
 						.flatMap((block) => createNode(block.content).flat(1))
 						.filter((val: any) => val.kind !== DocNodeKind.SoftBreak),
+					mixesBlocks: mixesBlocks
+						.flatMap((block) => createNode(block.content).flat(1))
+						.filter((val: any) => val.kind !== DocNodeKind.SoftBreak),
 				};
 			}
 
@@ -522,8 +527,7 @@ function itemInfo(item: ApiDeclaredItem) {
 	const isAbstract = ApiAbstractMixin.isBaseClassOf(item) && item.isAbstract;
 	const isOptional = ApiOptionalMixin.isBaseClassOf(item) && item.isOptional;
 	const isDeprecated = Boolean(item.tsdocComment?.deprecatedBlock);
-	const isExternal = Boolean(item.sourceLocation.fileUrl?.includes('node_modules'));
-
+	const isExternal = Boolean(sourceLine === undefined);
 	const hasSummary = Boolean(item.tsdocComment?.summarySection);
 
 	return {
@@ -587,6 +591,19 @@ function resolveFileUrl(item: ApiDeclaredItem) {
 				sourceURL: href,
 			};
 		}
+	} else if (fileUrl?.includes('/dist/') && fileUrl.includes('/main/packages/')) {
+		const [, pkg] = fileUrl.split('/main/packages/');
+		const pkgName = pkg!.split('/')[0];
+		const version = 'main';
+
+		// https://github.com/discordjs/discord.js/tree/main/packages/builders/dist/index.d.ts
+		let currentItem = item;
+		while (currentItem.parent && currentItem.parent.kind !== ApiItemKind.EntryPoint)
+			currentItem = currentItem.parent as ApiDeclaredItem;
+
+		return {
+			sourceURL: `/docs/packages/${pkgName}/${version}/${currentItem.displayName}:${currentItem.kind}`,
+		};
 	}
 
 	return {