diff --git a/.changeset/cuddly-lemons-sniff.md b/.changeset/cuddly-lemons-sniff.md
new file mode 100644
index 0000000..19922b3
--- /dev/null
+++ b/.changeset/cuddly-lemons-sniff.md
@@ -0,0 +1,5 @@
+---
+'@sveltejs/mcp': patch
+---
+
+fix: add suggestion for snippets declared in script tag
diff --git a/packages/mcp-server/src/mcp/handlers/tools/svelte-autofixer.test.ts b/packages/mcp-server/src/mcp/handlers/tools/svelte-autofixer.test.ts
index c2a259f..4be50f6 100644
--- a/packages/mcp-server/src/mcp/handlers/tools/svelte-autofixer.test.ts
+++ b/packages/mcp-server/src/mcp/handlers/tools/svelte-autofixer.test.ts
@@ -53,6 +53,18 @@ describe('svelte-autofixer tool', () => {
 		);
 	});
 
+	it('should add suggestions for snippets declared in script tag', async () => {
+		const content = await autofixer_tool_call(`<script>
+			{#snippet my_snippet()}
+				some content
+			{/snippet}
+		</script>`);
+		expect(content.issues.length).toBeGreaterThan(0);
+		expect(content.suggestions).toContain(
+			"The code can't be compiled because a Javascript parse error. The error suggests you have a `{#snippet ...}` block inside the `<script>` tag. Snippets are template syntax and should be declared in the markup section of the component, not in the script. Move the snippet outside of the `<script>` tag. Snippets declared in the markup can also be accessed in the script tag in case you need them.",
+		);
+	});
+
 	it('should error out if async is true with a version less than 5', async () => {
 		const content = await autofixer_tool_call(
 			`<script>
diff --git a/packages/mcp-server/src/mcp/handlers/tools/svelte-autofixer.ts b/packages/mcp-server/src/mcp/handlers/tools/svelte-autofixer.ts
index 7474231..a455ea6 100644
--- a/packages/mcp-server/src/mcp/handlers/tools/svelte-autofixer.ts
+++ b/packages/mcp-server/src/mcp/handlers/tools/svelte-autofixer.ts
@@ -75,14 +75,21 @@ export async function svelte_autofixer_handler({
 
 		await add_eslint_issues(content, code, +desired_svelte_version, filename, async);
 	} catch (e: unknown) {
-		const error = e as Error & { start?: { line: number; column: number } };
+		const error = e as Error & { start?: { line: number; column: number }; frame?: string };
 		content.issues.push(
 			`${error.message} at line ${error.start?.line}, column ${error.start?.column}`,
 		);
 		if (error.message.includes('js_parse_error')) {
-			content.suggestions.push(
-				"The code can't be compiled because a Javascript parse error. In case you are using runes like this `$state variable_name = 3;` or `$derived variable_name = 3 * count` that's not how runes are used. You need to use them as function calls without importing them: `const variable_name = $state(3)` and `const variable_name = $derived(3 * count)`.",
-			);
+			// Check if the error frame contains template syntax that was incorrectly placed in the script tag
+			if (error.frame?.includes('{#snippet')) {
+				content.suggestions.push(
+					"The code can't be compiled because a Javascript parse error. The error suggests you have a `{#snippet ...}` block inside the `<script>` tag. Snippets are template syntax and should be declared in the markup section of the component, not in the script. Move the snippet outside of the `<script>` tag. Snippets declared in the markup can also be accessed in the script tag in case you need them.",
+				);
+			} else {
+				content.suggestions.push(
+					"The code can't be compiled because a Javascript parse error. In case you are using runes like this `$state variable_name = 3;` or `$derived variable_name = 3 * count` that's not how runes are used. You need to use them as function calls without importing them: `const variable_name = $state(3)` and `const variable_name = $derived(3 * count)`.",
+				);
+			}
 		} else if (error.message.includes('css_expected_identifier')) {
 			content.suggestions.push(
 				"The code can't be compiled because a valid CSS identifier is expected. This sometimes means you are trying to use a variable in CSS like this: `color: {my_color}` but Svelte doesn't support that. You can use inline CSS variables for that `<div style:--color={my_color}></div>` and then use the variable as usual in CSS with `color: var(--color)`.",