diff --git a/scripts/import/scan-image-refs.ts b/scripts/import/scan-image-refs.ts
new file mode 100644
index 0000000..41af438
--- /dev/null
+++ b/scripts/import/scan-image-refs.ts
@@ -0,0 +1,9 @@
+const MD_IMG = /!\[[^\]]*\]\((\/images\/[^)\s]+)\)/g
+const HTML_IMG = /<img[^>]+src=["'](\/images\/[^"']+)["']/g
+
+export function scanImageRefs(source: string): string[] {
+  const set = new Set<string>()
+  for (const m of source.matchAll(MD_IMG)) set.add(m[1])
+  for (const m of source.matchAll(HTML_IMG)) set.add(m[1])
+  return [...set]
+}
diff --git a/tests/int/scan-image-refs.int.spec.ts b/tests/int/scan-image-refs.int.spec.ts
new file mode 100644
index 0000000..eb32450
--- /dev/null
+++ b/tests/int/scan-image-refs.int.spec.ts
@@ -0,0 +1,21 @@
+import { describe, expect, it } from 'vitest'
+import { scanImageRefs } from '../../scripts/import/scan-image-refs'
+
+describe('scanImageRefs', () => {
+  it('finds markdown image syntax', () => {
+    const r = scanImageRefs('![alt](/images/foo.png)\n![x](/images/bar.jpg)')
+    expect(r.sort()).toEqual(['/images/bar.jpg', '/images/foo.png'])
+  })
+  it('finds raw <img> src', () => {
+    const r = scanImageRefs('<img src="/images/foo.png" class="w-96"/>')
+    expect(r).toEqual(['/images/foo.png'])
+  })
+  it('dedupes', () => {
+    const r = scanImageRefs('![a](/images/x.png) ![b](/images/x.png)')
+    expect(r).toEqual(['/images/x.png'])
+  })
+  it('ignores external URLs', () => {
+    const r = scanImageRefs('![a](https://example.com/x.png)')
+    expect(r).toEqual([])
+  })
+})