diff --git a/NOTICE b/NOTICE
index 9bffbd5b..649c5b8d 100644
--- a/NOTICE
+++ b/NOTICE
@@ -50,4 +50,13 @@ Spring motion constants (resources/css/tokens/motion.css)
   From androidx Compose Material 3, tokens/ExpressiveMotionTokens.kt.
   Copyright The Android Open Source Project. Apache License 2.0.
 
+Material Design 3 documentation (resources/boost/guidelines/material-3.blade.php,
+resources/boost/skills/material-3-design/SKILL.md, docs/reference/m3)
+  Rules, tables and wording condensed from https://m3.material.io (Foundations, Styles,
+  Components), which Google publishes under the Creative Commons Attribution 4.0 License
+  except as otherwise noted; the numeric token values from androidx Compose Material 3's
+  token files.
+  Copyright Google LLC (CC BY 4.0, https://creativecommons.org/licenses/by/4.0/);
+  Copyright The Android Open Source Project (Apache License 2.0).
+
 A copy of the Apache License 2.0 is available at https://www.apache.org/licenses/LICENSE-2.0.
diff --git a/tests/Feature/BoostResourcesTest.php b/tests/Feature/BoostResourcesTest.php
index c4b0be7c..f27c44bf 100644
--- a/tests/Feature/BoostResourcesTest.php
+++ b/tests/Feature/BoostResourcesTest.php
@@ -28,3 +28,65 @@ it('names every component in the skill', function () {
 
     expect($undocumented)->toBeEmpty();
 });
+
+const GUIDELINE_PATH = __DIR__.'/../../resources/boost/guidelines/material-3.blade.php';
+const DESIGN_SKILL_PATH = __DIR__.'/../../resources/boost/skills/material-3-design/SKILL.md';
+
+it('keeps the Material 3 guideline short, verbatim and always on', function () {
+    $guideline = File::get(GUIDELINE_PATH);
+
+    expect($guideline)
+        ->toStartWith("@verbatim\n")
+        ->toContain("\n@endverbatim")
+        ->toContain("\n## Material 3\n");
+
+    // Boost inlines every guideline into every session, so this one must stay a page.
+    expect(substr_count($guideline, "\n"))->toBeLessThan(120);
+});
+
+it('gives the design skill the frontmatter Boost requires', function () {
+    $skill = File::get(DESIGN_SKILL_PATH);
+
+    expect($skill)
+        ->toStartWith("---\n")
+        ->toContain("\nname: material-3-design\n")
+        ->toMatch('/\ndescription: \S.+\n/');
+});
+
+it('carries every guideline section in the design skill', function () {
+    preg_match_all('/^### (.+)$/m', File::get(GUIDELINE_PATH), $sections);
+    preg_match_all('/^## (.+)$/m', File::get(DESIGN_SKILL_PATH), $chapters);
+
+    expect($sections[1])->not->toBeEmpty();
+    expect(array_values(array_diff($sections[1], $chapters[1])))->toBe([]);
+});
+
+it('names every token family and breakpoint in the design skill', function () {
+    $skill = File::get(DESIGN_SKILL_PATH);
+
+    $families = collect(File::files(__DIR__.'/../../resources/css/tokens'))
+        ->flatMap(function (SplFileInfo $file): array {
+            preg_match_all('/--md-(?:sys|ref)-[a-z]+-/', $file->getContents(), $matches);
+
+            return $matches[0];
+        })
+        ->unique()
+        ->values();
+
+    expect($families)->not->toBeEmpty();
+
+    foreach ($families as $family) {
+        expect($skill)->toContain($family.'*');
+    }
+
+    foreach (['medium', 'expanded', 'large', 'extra-large'] as $breakpoint) {
+        expect($skill)->toContain("`{$breakpoint}:`");
+    }
+});
+
+it('attributes the design skill to Google', function () {
+    expect(File::get(DESIGN_SKILL_PATH))
+        ->toContain("\n## Attribution\n")
+        ->toContain('Creative Commons Attribution 4.0')
+        ->toContain('Apache License 2.0');
+});