diff --git a/.changeset/fix-tinyexec-missing.md b/.changeset/fix-tinyexec-missing.md
new file mode 100644
index 0000000000..0752ee6eec
--- /dev/null
+++ b/.changeset/fix-tinyexec-missing.md
@@ -0,0 +1,5 @@
+---
+"shadcn": patch
+---
+
+Bundle @antfu/ni and tinyexec to fix missing module error with npx
diff --git a/packages/shadcn/package.json b/packages/shadcn/package.json
index 3d8390328b..1cf46c7a81 100644
--- a/packages/shadcn/package.json
+++ b/packages/shadcn/package.json
@@ -79,7 +79,6 @@
     "mcp:inspect": "pnpm dlx @modelcontextprotocol/inspector node dist/index.js mcp"
   },
   "dependencies": {
-    "@antfu/ni": "^25.0.0",
     "@babel/core": "^7.28.0",
     "@babel/parser": "^7.28.0",
     "@babel/plugin-transform-typescript": "^7.28.0",
@@ -116,6 +115,7 @@
     "zod-to-json-schema": "^3.24.6"
   },
   "devDependencies": {
+    "@antfu/ni": "^25.0.0",
     "@types/babel__core": "^7.20.5",
     "@types/fs-extra": "^11.0.4",
     "@types/prompts": "^2.4.9",
diff --git a/packages/shadcn/tsup.config.ts b/packages/shadcn/tsup.config.ts
index 12cb99bf2d..e7a411da60 100644
--- a/packages/shadcn/tsup.config.ts
+++ b/packages/shadcn/tsup.config.ts
@@ -19,6 +19,9 @@ export default defineConfig({
   target: "esnext",
   outDir: "dist",
   treeshake: true,
+  // Bundle @antfu/ni and its dependency tinyexec to avoid
+  // module resolution failures with npx temporary installs.
+  noExternal: ["@antfu/ni", "tinyexec"],
   onSuccess: async () => {
     copyFileSync("src/tailwind.css", "dist/tailwind.css")
   },
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 4f89d549ec..657973e014 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -359,9 +359,6 @@ importers:
 
   packages/shadcn:
     dependencies:
-      '@antfu/ni':
-        specifier: ^25.0.0
-        version: 25.0.0
       '@babel/core':
         specifier: ^7.28.0
         version: 7.28.0
@@ -465,6 +462,9 @@ importers:
         specifier: ^3.24.6
         version: 3.24.6(zod@3.25.76)
     devDependencies:
+      '@antfu/ni':
+        specifier: ^25.0.0
+        version: 25.0.0
       '@types/babel__core':
         specifier: ^7.20.5
         version: 7.20.5
@@ -12067,7 +12067,7 @@ snapshots:
     transitivePeerDependencies:
       - supports-color
 
-  eslint-module-utils@2.12.1(@typescript-eslint/parser@8.39.0(eslint@9.26.0(hono@4.11.7)(jiti@2.6.1))(typescript@5.9.2))(eslint-import-resolver-node@0.3.9)(eslint-import-resolver-typescript@3.10.1(eslint-plugin-import@2.32.0)(eslint@9.26.0(hono@4.11.7)(jiti@2.6.1)))(eslint@9.26.0(hono@4.11.7)(jiti@2.6.1)):
+  eslint-module-utils@2.12.1(@typescript-eslint/parser@8.39.0(eslint@9.26.0(hono@4.11.7)(jiti@2.6.1))(typescript@5.9.2))(eslint-import-resolver-node@0.3.9)(eslint-import-resolver-typescript@3.10.1)(eslint@9.26.0(hono@4.11.7)(jiti@2.6.1)):
     dependencies:
       debug: 3.2.7
     optionalDependencies:
@@ -12078,7 +12078,7 @@ snapshots:
     transitivePeerDependencies:
       - supports-color
 
-  eslint-module-utils@2.12.1(@typescript-eslint/parser@8.54.0(eslint@9.26.0(hono@4.11.7)(jiti@1.21.7))(typescript@5.9.2))(eslint-import-resolver-node@0.3.9)(eslint-import-resolver-typescript@3.10.1(eslint-plugin-import@2.32.0)(eslint@9.26.0(hono@4.11.7)(jiti@1.21.7)))(eslint@9.26.0(hono@4.11.7)(jiti@1.21.7)):
+  eslint-module-utils@2.12.1(@typescript-eslint/parser@8.54.0(eslint@9.26.0(hono@4.11.7)(jiti@1.21.7))(typescript@5.9.2))(eslint-import-resolver-node@0.3.9)(eslint-import-resolver-typescript@3.10.1)(eslint@9.26.0(hono@4.11.7)(jiti@1.21.7)):
     dependencies:
       debug: 3.2.7
     optionalDependencies:
@@ -12100,7 +12100,7 @@ snapshots:
       doctrine: 2.1.0
       eslint: 9.26.0(hono@4.11.7)(jiti@2.6.1)
       eslint-import-resolver-node: 0.3.9
-      eslint-module-utils: 2.12.1(@typescript-eslint/parser@8.39.0(eslint@9.26.0(hono@4.11.7)(jiti@2.6.1))(typescript@5.9.2))(eslint-import-resolver-node@0.3.9)(eslint-import-resolver-typescript@3.10.1(eslint-plugin-import@2.32.0)(eslint@9.26.0(hono@4.11.7)(jiti@2.6.1)))(eslint@9.26.0(hono@4.11.7)(jiti@2.6.1))
+      eslint-module-utils: 2.12.1(@typescript-eslint/parser@8.39.0(eslint@9.26.0(hono@4.11.7)(jiti@2.6.1))(typescript@5.9.2))(eslint-import-resolver-node@0.3.9)(eslint-import-resolver-typescript@3.10.1)(eslint@9.26.0(hono@4.11.7)(jiti@2.6.1))
       hasown: 2.0.2
       is-core-module: 2.16.1
       is-glob: 4.0.3
@@ -12129,7 +12129,7 @@ snapshots:
       doctrine: 2.1.0
       eslint: 9.26.0(hono@4.11.7)(jiti@1.21.7)
       eslint-import-resolver-node: 0.3.9
-      eslint-module-utils: 2.12.1(@typescript-eslint/parser@8.54.0(eslint@9.26.0(hono@4.11.7)(jiti@1.21.7))(typescript@5.9.2))(eslint-import-resolver-node@0.3.9)(eslint-import-resolver-typescript@3.10.1(eslint-plugin-import@2.32.0)(eslint@9.26.0(hono@4.11.7)(jiti@1.21.7)))(eslint@9.26.0(hono@4.11.7)(jiti@1.21.7))
+      eslint-module-utils: 2.12.1(@typescript-eslint/parser@8.54.0(eslint@9.26.0(hono@4.11.7)(jiti@1.21.7))(typescript@5.9.2))(eslint-import-resolver-node@0.3.9)(eslint-import-resolver-typescript@3.10.1)(eslint@9.26.0(hono@4.11.7)(jiti@1.21.7))
       hasown: 2.0.2
       is-core-module: 2.16.1
       is-glob: 4.0.3