diff --git a/skills-manifest.json b/skills-manifest.json
index 9321089cb1..d60708921e 100644
--- a/skills-manifest.json
+++ b/skills-manifest.json
@@ -46,8 +46,8 @@
       "files": 10
     },
     "media-use": {
-      "hash": "49aa5adae0800403",
-      "files": 122
+      "hash": "facf3a0c03fb1bc5",
+      "files": 123
     },
     "motion-graphics": {
       "hash": "dafcdce07d221aa4",
diff --git a/skills/media-use/scripts/lib/bundled-sfx-provider.mjs b/skills/media-use/scripts/lib/bundled-sfx-provider.mjs
new file mode 100644
index 0000000000..e109808115
--- /dev/null
+++ b/skills/media-use/scripts/lib/bundled-sfx-provider.mjs
@@ -0,0 +1,54 @@
+import { existsSync, readFileSync } from "node:fs";
+import { join } from "node:path";
+
+const LIB_DIR = join(import.meta.dirname, "..", "..", "audio", "assets", "sfx");
+
+const normalize = (value) =>
+  String(value)
+    .toLowerCase()
+    .replace(/[^a-z0-9]+/g, " ")
+    .trim();
+
+function score(intent, key, entry) {
+  const query = normalize(intent);
+  const name = normalize(key);
+  if (query === name) return 100;
+  if (query.includes(name) || name.includes(query)) return 50;
+  const haystack = new Set(normalize(`${key} ${entry.description || ""}`).split(/\s+/));
+  return query.split(/\s+/).filter((token) => token && haystack.has(token)).length;
+}
+
+export const bundledSfxProvider = {
+  async search(intent) {
+    const manifestPath = join(LIB_DIR, "manifest.json");
+    if (!existsSync(manifestPath)) return null;
+
+    let manifest;
+    try {
+      manifest = JSON.parse(readFileSync(manifestPath, "utf8"));
+    } catch {
+      return null;
+    }
+
+    const ranked = Object.entries(manifest)
+      .map(([key, entry]) => ({ key, entry, score: score(intent, key, entry) }))
+      .filter(({ entry, score }) => entry?.file && score > 0)
+      .sort((a, b) => b.score - a.score || a.key.localeCompare(b.key));
+    const best = ranked[0];
+    if (!best) return null;
+
+    const localPath = join(LIB_DIR, best.entry.file);
+    if (!existsSync(localPath)) return null;
+    return {
+      localPath,
+      ext: ".mp3",
+      source: "bundled",
+      metadata: {
+        description: best.entry.description || best.key,
+        duration: best.entry.duration ?? null,
+        provider: "bundled.sfx",
+        provenance: { library_key: best.key },
+      },
+    };
+  },
+};
diff --git a/skills/media-use/scripts/lib/registry.mjs b/skills/media-use/scripts/lib/registry.mjs
index 84df07ccf9..ef406fb2bc 100644
--- a/skills/media-use/scripts/lib/registry.mjs
+++ b/skills/media-use/scripts/lib/registry.mjs
@@ -22,6 +22,7 @@
 
 import { bgmProvider } from "./bgm-provider.mjs";
 import { sfxProvider } from "./sfx-provider.mjs";
+import { bundledSfxProvider } from "./bundled-sfx-provider.mjs";
 import { imageProvider, iconProvider } from "./image-provider.mjs";
 import { brandProvider } from "./brand-provider.mjs";
 import {
@@ -44,10 +45,13 @@ const A = (name, caps) => ({ name, ...caps }); // local, free
 const N = (name, caps) => ({ name, network: true, ...caps }); // remote, free
 const P = (name, caps) => ({ name, network: true, paid: true, ...caps }); // remote, paid
 
-// heygen-CLI first (and currently only). All remote providers are skipped by --local-only.
+// heygen-CLI first. All remote providers are skipped by --local-only.
 const REGISTRY = {
   bgm: [N("heygen.audio.sounds", { search: bgmProvider.search })],
-  sfx: [N("heygen.audio.sounds", { search: sfxProvider.search })],
+  sfx: [
+    N("heygen.audio.sounds", { search: sfxProvider.search }),
+    A("bundled.sfx", { search: bundledSfxProvider.search }),
+  ],
   image: [
     N("heygen.asset.search", { search: imageProvider.search }),
     // Catalog miss -> generate. Local first (best FLUX-class model the machine's
diff --git a/skills/media-use/scripts/lib/registry.test.mjs b/skills/media-use/scripts/lib/registry.test.mjs
index 6cd51ac430..4d570e5e76 100644
--- a/skills/media-use/scripts/lib/registry.test.mjs
+++ b/skills/media-use/scripts/lib/registry.test.mjs
@@ -21,7 +21,7 @@ test("heygen provider is first for every type it serves", () => {
 
 test("sanctioned providers only: heygen, local mflux/kokoro, codex, design spec, logo tiers", () => {
   const allowed =
-    /^heygen|^mflux\.local$|^kokoro\.local$|^codex\.image_gen$|^design_spec$|^svgl$|^simple-icons$|^github\.avatar$|^favicon\.ddg$|^color_grade\.local$|^cube_lut\.local$/;
+    /^heygen|^bundled\.sfx$|^mflux\.local$|^kokoro\.local$|^codex\.image_gen$|^design_spec$|^svgl$|^simple-icons$|^github\.avatar$|^favicon\.ddg$|^color_grade\.local$|^cube_lut\.local$/;
   for (const t of listTypes()) {
     for (const p of getProviders(t)) {
       assert.ok(allowed.test(p.name), `${t} lists unsanctioned provider: ${p.name}`);
@@ -52,6 +52,15 @@ test("voice cascade: HeyGen TTS first, Kokoro remains the local fallback", () =>
   assert.ok(!ps[1].paid, "local Kokoro is free");
 });
 
+test("sfx cascade: HeyGen catalog first, bundled library remains the local fallback", () => {
+  const ps = getProviders("sfx");
+  assert.equal(ps[0].name, "heygen.audio.sounds");
+  assert.ok(ps[0].network, "HeyGen SFX catalog is network-only");
+  assert.equal(ps[1].name, "bundled.sfx");
+  assert.equal(typeof ps[1].search, "function");
+  assert.ok(!ps[1].network, "bundled SFX remain available offline");
+});
+
 test("ctx.provider forces one generator (e.g. 'make an image WITH codex')", async () => {
   const providers = [
     { name: "heygen.asset.search", network: true, search: async () => null },
diff --git a/skills/media-use/scripts/resolve.test.mjs b/skills/media-use/scripts/resolve.test.mjs
index fea0e3be8c..81e746af5e 100644
--- a/skills/media-use/scripts/resolve.test.mjs
+++ b/skills/media-use/scripts/resolve.test.mjs
@@ -130,6 +130,20 @@ function test(name, fn) {
 
 // --- manifest cache hit ---
 
+test("bundled SFX resolve without HeyGen on PATH", () => {
+  setup();
+  const result = spawnResolve(
+    ["--type", "sfx", "--intent", "whoosh", "--project", tmp, "--json"],
+    { env: { HOME: tmp, PATH: tmp } },
+  );
+  assert.equal(result.status, 0, result.stderr);
+  const parsed = JSON.parse(result.stdout);
+  assert.equal(parsed.ok, true);
+  assert.equal(parsed.provenance.provider, "bundled.sfx");
+  assert.ok(existsSync(join(tmp, parsed.path)));
+  cleanup();
+});
+
 test("project manifest hit skips providers", () => {
   setup();
   const record = makeRecord({ provenance: { prompt: "cached query", provider: "test" } });