diff --git a/.changeset/afraid-years-rule.md b/.changeset/afraid-years-rule.md
new file mode 100644
index 000000000..eeba9060a
--- /dev/null
+++ b/.changeset/afraid-years-rule.md
@@ -0,0 +1,5 @@
+---
+"@shopify/theme-language-server-common": patch
+---
+
+Read only liquid and JSON files from theme directories (assets, blocks, config, layout, locales, sections, snippets, templates) when preloading files
diff --git a/packages/theme-language-server-common/src/documents/DocumentManager.spec.ts b/packages/theme-language-server-common/src/documents/DocumentManager.spec.ts
index 59a663ca7..3ff9b5f65 100644
--- a/packages/theme-language-server-common/src/documents/DocumentManager.spec.ts
+++ b/packages/theme-language-server-common/src/documents/DocumentManager.spec.ts
@@ -43,8 +43,8 @@ describe('Module: DocumentManager', () => {
     beforeEach(async () => {
       fs = new MockFileSystem(
         {
-          'snippet/foo.liquid': `hello {% render 'bar' %}`,
-          'snippet/bar.liquid': `world`,
+          'snippets/foo.liquid': `hello {% render 'bar' %}`,
+          'snippets/bar.liquid': `world`,
         },
         'mock-fs:',
       );
@@ -58,14 +58,14 @@ describe('Module: DocumentManager', () => {
       });
 
       it('preloads source codes with a version of undefined', async () => {
-        const sc = documentManager.get('mock-fs:/snippet/foo.liquid');
+        const sc = documentManager.get('mock-fs:/snippets/foo.liquid');
         assert(sc);
         expect(sc.version).to.equal(undefined);
       });
 
       it('returns defined versions of opened files', () => {
-        documentManager.open('mock-fs:/snippet/foo.liquid', 'hello {% render "bar" %}', 0);
-        const sc = documentManager.get('mock-fs:/snippet/foo.liquid');
+        documentManager.open('mock-fs:/snippets/foo.liquid', 'hello {% render "bar" %}', 0);
+        const sc = documentManager.get('mock-fs:/snippets/foo.liquid');
         assert(sc);
         expect(sc.version).to.equal(0);
       });
@@ -84,9 +84,9 @@ describe('Module: DocumentManager', () => {
 
       describe('Unit: close(uri)', () => {
         it('sets the source version to undefined (value is on disk)', () => {
-          documentManager.open('mock-fs:/snippet/foo.liquid', 'hello {% render "bar" %}', 10);
-          documentManager.close('mock-fs:/snippet/foo.liquid');
-          const sc = documentManager.get('mock-fs:/snippet/foo.liquid');
+          documentManager.open('mock-fs:/snippets/foo.liquid', 'hello {% render "bar" %}', 10);
+          documentManager.close('mock-fs:/snippets/foo.liquid');
+          const sc = documentManager.get('mock-fs:/snippets/foo.liquid');
           assert(sc);
           expect(sc.source).to.equal('hello {% render "bar" %}');
           expect(sc.version).to.equal(undefined);
@@ -96,9 +96,9 @@ describe('Module: DocumentManager', () => {
       describe('Unit: delete(uri)', () => {
         it('deletes the source code from the document manager', () => {
           // as though the file no longer exists
-          documentManager.open('mock-fs:/snippet/foo.liquid', 'hello {% render "bar" %}', 10);
-          documentManager.delete('mock-fs:/snippet/foo.liquid');
-          const sc = documentManager.get('mock-fs:/snippet/foo.liquid');
+          documentManager.open('mock-fs:/snippets/foo.liquid', 'hello {% render "bar" %}', 10);
+          documentManager.delete('mock-fs:/snippets/foo.liquid');
+          const sc = documentManager.get('mock-fs:/snippets/foo.liquid');
           assert(!sc);
         });
       });
@@ -137,16 +137,16 @@ describe('Module: DocumentManager', () => {
 
       fs = new MockFileSystem(
         {
-          'snippet/1.liquid': `hello {% render 'bar' %}`,
-          'snippet/2.liquid': `hello {% render 'bar' %}`,
-          'snippet/3.liquid': `hello {% render 'bar' %}`,
-          'snippet/4.liquid': `hello {% render 'bar' %}`,
-          'snippet/5.liquid': `hello {% render 'bar' %}`,
-          'snippet/6.liquid': `hello {% render 'bar' %}`,
-          'snippet/7.liquid': `hello {% render 'bar' %}`,
-          'snippet/8.liquid': `hello {% render 'bar' %}`,
-          'snippet/9.liquid': `hello {% render 'bar' %}`,
-          'snippet/10.liquid': `hello {% render 'bar' %}`,
+          'snippets/1.liquid': `hello {% render 'bar' %}`,
+          'snippets/2.liquid': `hello {% render 'bar' %}`,
+          'snippets/3.liquid': `hello {% render 'bar' %}`,
+          'snippets/4.liquid': `hello {% render 'bar' %}`,
+          'snippets/5.liquid': `hello {% render 'bar' %}`,
+          'snippets/6.liquid': `hello {% render 'bar' %}`,
+          'snippets/7.liquid': `hello {% render 'bar' %}`,
+          'snippets/8.liquid': `hello {% render 'bar' %}`,
+          'snippets/9.liquid': `hello {% render 'bar' %}`,
+          'snippets/10.liquid': `hello {% render 'bar' %}`,
         },
         mockRoot,
       );
diff --git a/packages/theme-language-server-common/src/documents/DocumentManager.ts b/packages/theme-language-server-common/src/documents/DocumentManager.ts
index 6102b6e25..c3dd45759 100644
--- a/packages/theme-language-server-common/src/documents/DocumentManager.ts
+++ b/packages/theme-language-server-common/src/documents/DocumentManager.ts
@@ -3,7 +3,6 @@ import {
   assertNever,
   memoize,
   path,
-  recursiveReadDirectory,
   SourceCodeType,
   Theme,
   toSourceCode,
@@ -13,6 +12,7 @@ import {
   memo,
   Mode,
   isError,
+  recursiveReadDirectory,
 } from '@shopify/theme-check-common';
 import { Connection } from 'vscode-languageserver';
 import { TextDocument } from 'vscode-languageserver-textdocument';
@@ -131,13 +131,28 @@ export class DocumentManager {
 
       progress.start('Initializing Liquid LSP');
 
-      // We'll only load the files that aren't already in the store. No need to
-      // parse a file we already parsed.
-      const filesToLoad = await recursiveReadDirectory(
-        this.fs,
-        rootUri,
-        ([uri]) => /\.(liquid|json)$/.test(uri) && !this.sourceCodes.has(uri),
-      );
+      // NOTE: Only read known theme dirs, a stray 100MB JSON file can consume 1-2GB of heap.
+      // See https://shopify.dev/docs/storefronts/themes/architecture#directory-structure-and-component-types
+      const filesToLoad = (
+        await Promise.all(
+          [
+            'assets',
+            'blocks',
+            'config',
+            'layout',
+            'locales',
+            'sections',
+            'snippets',
+            'templates',
+          ].map((dir) =>
+            recursiveReadDirectory(
+              fs,
+              path.join(rootUri, dir),
+              ([uri]) => /\.(liquid|json)$/.test(uri) && !this.sourceCodes.has(uri),
+            ).catch(() => []),
+          ),
+        )
+      ).flat();
 
       progress.report(10, 'Preloading files');