diff --git a/cmd/llgo/cppkg_cmd.gox b/cmd/llgo/cppkg_cmd.gox
new file mode 100644
index 00000000..717c282a
--- /dev/null
+++ b/cmd/llgo/cppkg_cmd.gox
@@ -0,0 +1,26 @@
+/*
+ * Copyright (c) 2025 The GoPlus Authors (goplus.org). All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and limitations under the License.
+ */
+
+import (
+	"runtime"
+
+	self "github.com/goplus/llgo/xtool/cppkg"
+)
+
+short "Manage C/C++ packages"
+
+run => {
+	help
+}
diff --git a/cmd/llgo/cppkg_install_cmd.gox b/cmd/llgo/cppkg_install_cmd.gox
new file mode 100644
index 00000000..025f9997
--- /dev/null
+++ b/cmd/llgo/cppkg_install_cmd.gox
@@ -0,0 +1,36 @@
+/*
+ * Copyright (c) 2025 The GoPlus Authors (goplus.org). All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and limitations under the License.
+ */
+
+import (
+	"runtime"
+
+	self "github.com/goplus/llgo/xtool/cppkg"
+)
+
+short "Install a C/C++ package from github.com/goplus/cppkg"
+
+long `Installs a C/C++ package with the given name and version. For example:
+
+llgo cppkg install davegamble/cjson@1.7.18
+`
+
+run args => {
+	if args.len < 1 {
+		help
+		return
+	}
+
+	self.install args[0], self.DefaultFlags
+}
diff --git a/cmd/llgo/gop_autogen.go b/cmd/llgo/gop_autogen.go
index 4c0e7284..b9c1a26b 100644
--- a/cmd/llgo/gop_autogen.go
+++ b/cmd/llgo/gop_autogen.go
@@ -11,6 +11,7 @@ import (
 	run1 "github.com/goplus/llgo/cmd/internal/run"
 	test1 "github.com/goplus/llgo/cmd/internal/test"
 	"github.com/goplus/llgo/internal/env"
+	cppkg1 "github.com/goplus/llgo/xtool/cppkg"
 	"github.com/qiniu/x/stringutil"
 	"runtime"
 )
@@ -29,6 +30,14 @@ type cmptest struct {
 	xcmd.Command
 	*App
 }
+type cppkg struct {
+	xcmd.Command
+	*App
+}
+type cppkg_install struct {
+	xcmd.Command
+	*App
+}
 type get struct {
 	xcmd.Command
 	*App
@@ -57,12 +66,14 @@ func (this *App) Main() {
 	_gop_obj0 := &build{App: this}
 	_gop_obj1 := &clean{App: this}
 	_gop_obj2 := &cmptest{App: this}
-	_gop_obj3 := &get{App: this}
-	_gop_obj4 := &install{App: this}
-	_gop_obj5 := &run{App: this}
-	_gop_obj6 := &test{App: this}
-	_gop_obj7 := &version{App: this}
-	xcmd.Gopt_App_Main(this, _gop_obj0, _gop_obj1, _gop_obj2, _gop_obj3, _gop_obj4, _gop_obj5, _gop_obj6, _gop_obj7)
+	_gop_obj3 := &cppkg{App: this}
+	_gop_obj4 := &cppkg_install{App: this}
+	_gop_obj5 := &get{App: this}
+	_gop_obj6 := &install{App: this}
+	_gop_obj7 := &run{App: this}
+	_gop_obj8 := &test{App: this}
+	_gop_obj9 := &version{App: this}
+	xcmd.Gopt_App_Main(this, _gop_obj0, _gop_obj1, _gop_obj2, _gop_obj3, _gop_obj4, _gop_obj5, _gop_obj6, _gop_obj7, _gop_obj8, _gop_obj9)
 }
 //line cmd/llgo/build_cmd.gox:20
 func (this *build) Main(_gop_arg0 string) {
@@ -112,6 +123,46 @@ func (this *cmptest) Main(_gop_arg0 string) {
 func (this *cmptest) Classfname() string {
 	return "cmptest"
 }
+//line cmd/llgo/cppkg_cmd.gox:22
+func (this *cppkg) Main(_gop_arg0 string) {
+	this.Command.Main(_gop_arg0)
+//line cmd/llgo/cppkg_cmd.gox:22:1
+	this.Short("Manage C/C++ packages")
+//line cmd/llgo/cppkg_cmd.gox:24:1
+	this.Run__0(func() {
+//line cmd/llgo/cppkg_cmd.gox:25:1
+		this.Help()
+	})
+}
+func (this *cppkg) Classfname() string {
+	return "cppkg"
+}
+//line cmd/llgo/cppkg_install_cmd.gox:22
+func (this *cppkg_install) Main(_gop_arg0 string) {
+	this.Command.Main(_gop_arg0)
+//line cmd/llgo/cppkg_install_cmd.gox:22:1
+	this.Short("Install a C/C++ package from github.com/goplus/cppkg")
+//line cmd/llgo/cppkg_install_cmd.gox:24:1
+	this.Long(`Installs a C/C++ package with the given name and version. For example:
+
+llgo cppkg install davegamble/cjson@1.7.18
+`)
+//line cmd/llgo/cppkg_install_cmd.gox:29:1
+	this.Run__1(func(args []string) {
+//line cmd/llgo/cppkg_install_cmd.gox:30:1
+		if len(args) < 1 {
+//line cmd/llgo/cppkg_install_cmd.gox:31:1
+			this.Help()
+//line cmd/llgo/cppkg_install_cmd.gox:32:1
+			return
+		}
+//line cmd/llgo/cppkg_install_cmd.gox:35:1
+		cppkg1.Install(args[0], cppkg1.DefaultFlags)
+	})
+}
+func (this *cppkg_install) Classfname() string {
+	return "cppkg_install"
+}
 //line cmd/llgo/get_cmd.gox:16
 func (this *get) Main(_gop_arg0 string) {
 	this.Command.Main(_gop_arg0)