diff --git a/skeleton-test.php b/skeleton-test.php
new file mode 100644
index 00000000..689d3385
--- /dev/null
+++ b/skeleton-test.php
@@ -0,0 +1,21 @@
+<?php
+
+use StaticPHP\Skeleton\ArtifactGenerator;
+use StaticPHP\Skeleton\PackageGenerator;
+
+
+require_once 'vendor/autoload.php';
+
+$package_generator = new PackageGenerator('foo', 'library')
+    ->addDependency('bar')
+    ->addStaticLib('libfoo.a', 'unix')
+    ->addStaticLib('libfoo.a', 'unix')
+    ->addArtifact($artifact_generator = new ArtifactGenerator('foo')->setSource(['type' => 'url', 'url' => 'https://example.com/foo.tar.gz']));
+
+$pkg_config = $package_generator->generateConfig();
+$artifact_config = $artifact_generator->generateConfig();
+
+echo "===== pkg.json =====" . PHP_EOL;
+echo json_encode($pkg_config, 64|128|256) . PHP_EOL;
+echo "===== artifact.json =====" . PHP_EOL;
+echo json_encode($artifact_config, 64|128|256) . PHP_EOL;
diff --git a/src/Package/Artifact/zig.php b/src/Package/Artifact/zig.php
index 2ac7b454..a7347395 100644
--- a/src/Package/Artifact/zig.php
+++ b/src/Package/Artifact/zig.php
@@ -8,6 +8,7 @@ use StaticPHP\Artifact\ArtifactDownloader;
 use StaticPHP\Artifact\Downloader\DownloadResult;
 use StaticPHP\Attribute\Artifact\AfterBinaryExtract;
 use StaticPHP\Attribute\Artifact\CustomBinary;
+use StaticPHP\Attribute\Artifact\CustomSource;
 use StaticPHP\Exception\DownloaderException;
 use StaticPHP\Runtime\SystemTarget;
 
diff --git a/src/StaticPHP/Config/ArtifactConfig.php b/src/StaticPHP/Config/ArtifactConfig.php
index d25c6dd1..e840c0bf 100644
--- a/src/StaticPHP/Config/ArtifactConfig.php
+++ b/src/StaticPHP/Config/ArtifactConfig.php
@@ -5,12 +5,13 @@ declare(strict_types=1);
 namespace StaticPHP\Config;
 
 use StaticPHP\Exception\WrongUsageException;
+use StaticPHP\Registry\Registry;
 
 class ArtifactConfig
 {
     private static array $artifact_configs = [];
 
-    public static function loadFromDir(string $dir): void
+    public static function loadFromDir(string $dir, string $registry_name): void
     {
         if (!is_dir($dir)) {
             throw new WrongUsageException("Directory {$dir} does not exist, cannot load artifact config.");
@@ -18,18 +19,18 @@ class ArtifactConfig
         $files = glob("{$dir}/artifact.*.json");
         if (is_array($files)) {
             foreach ($files as $file) {
-                self::loadFromFile($file);
+                self::loadFromFile($file, $registry_name);
             }
         }
         if (file_exists("{$dir}/artifact.json")) {
-            self::loadFromFile("{$dir}/artifact.json");
+            self::loadFromFile("{$dir}/artifact.json", $registry_name);
         }
     }
 
     /**
      * Load artifact configurations from a specified JSON file.
      */
-    public static function loadFromFile(string $file): void
+    public static function loadFromFile(string $file, string $registry_name): void
     {
         $content = file_get_contents($file);
         if ($content === false) {
@@ -42,6 +43,7 @@ class ArtifactConfig
         ConfigValidator::validateAndLintArtifacts(basename($file), $data);
         foreach ($data as $artifact_name => $config) {
             self::$artifact_configs[$artifact_name] = $config;
+            Registry::_bindArtifactConfigFile($artifact_name, $registry_name, $file);
         }
     }
 
diff --git a/src/StaticPHP/Config/PackageConfig.php b/src/StaticPHP/Config/PackageConfig.php
index dc0b3d54..3342dfc7 100644
--- a/src/StaticPHP/Config/PackageConfig.php
+++ b/src/StaticPHP/Config/PackageConfig.php
@@ -5,6 +5,7 @@ declare(strict_types=1);
 namespace StaticPHP\Config;
 
 use StaticPHP\Exception\WrongUsageException;
+use StaticPHP\Registry\Registry;
 use StaticPHP\Runtime\SystemTarget;
 
 class PackageConfig
@@ -15,7 +16,7 @@ class PackageConfig
      * Load package configurations from a specified directory.
      * It will look for files matching the pattern 'pkg.*.json' and 'pkg.json'.
      */
-    public static function loadFromDir(string $dir): void
+    public static function loadFromDir(string $dir, string $registry_name): void
     {
         if (!is_dir($dir)) {
             throw new WrongUsageException("Directory {$dir} does not exist, cannot load pkg.json config.");
@@ -23,11 +24,11 @@ class PackageConfig
         $files = glob("{$dir}/pkg.*.json");
         if (is_array($files)) {
             foreach ($files as $file) {
-                self::loadFromFile($file);
+                self::loadFromFile($file, $registry_name);
             }
         }
         if (file_exists("{$dir}/pkg.json")) {
-            self::loadFromFile("{$dir}/pkg.json");
+            self::loadFromFile("{$dir}/pkg.json", $registry_name);
         }
     }
 
@@ -36,7 +37,7 @@ class PackageConfig
      *
      * @param string $file the path to the json package configuration file
      */
-    public static function loadFromFile(string $file): void
+    public static function loadFromFile(string $file, string $registry_name): void
     {
         $content = file_get_contents($file);
         if ($content === false) {
@@ -49,6 +50,7 @@ class PackageConfig
         ConfigValidator::validateAndLintPackages(basename($file), $data);
         foreach ($data as $pkg_name => $config) {
             self::$package_configs[$pkg_name] = $config;
+            Registry::_bindPackageConfigFile($pkg_name, $registry_name, $file);
         }
     }
 
diff --git a/src/StaticPHP/ConsoleApplication.php b/src/StaticPHP/ConsoleApplication.php
index 0e5371ac..bd0cfd60 100644
--- a/src/StaticPHP/ConsoleApplication.php
+++ b/src/StaticPHP/ConsoleApplication.php
@@ -9,6 +9,7 @@ use StaticPHP\Command\BuildTargetCommand;
 use StaticPHP\Command\Dev\EnvCommand;
 use StaticPHP\Command\Dev\IsInstalledCommand;
 use StaticPHP\Command\Dev\ShellCommand;
+use StaticPHP\Command\Dev\SkeletonCommand;
 use StaticPHP\Command\DoctorCommand;
 use StaticPHP\Command\DownloadCommand;
 use StaticPHP\Command\ExtractCommand;
@@ -27,12 +28,12 @@ class ConsoleApplication extends Application
 
     public function __construct()
     {
-        parent::__construct('static-php-cli', self::VERSION);
+        parent::__construct('StaticPHP', self::VERSION);
 
         require_once ROOT_DIR . '/src/bootstrap.php';
 
-        // check registry
-        Registry::checkLoadedRegistries();
+        // resolve registry
+        Registry::resolve();
 
         /**
          * @var string        $name
@@ -59,6 +60,7 @@ class ConsoleApplication extends Application
             new ShellCommand(),
             new IsInstalledCommand(),
             new EnvCommand(),
+            new SkeletonCommand(),
         ]);
 
         // add additional commands from registries
diff --git a/src/StaticPHP/Registry/Registry.php b/src/StaticPHP/Registry/Registry.php
index 4ae5df4f..909de021 100644
--- a/src/StaticPHP/Registry/Registry.php
+++ b/src/StaticPHP/Registry/Registry.php
@@ -13,9 +13,13 @@ use Symfony\Component\Yaml\Yaml;
 
 class Registry
 {
-    /** @var string[] List of loaded registry names */
+    /** @var array<string, Registry> List of loaded registries */
     private static array $loaded_registries = [];
 
+    /** @var array<string, array{registry: string, config: string}> Maps of package and artifact names to their registry config file paths (for reverse lookup) */
+    private static array $package_reversed_registry_files = [];
+    private static array $artifact_reversed_registry_files = [];
+
     /**
      * Load a registry from file path.
      * This method handles external registries that may not be in composer autoload.
@@ -85,9 +89,9 @@ class Registry
             foreach ($data['package']['config'] as $path) {
                 $path = self::fullpath($path, dirname($registry_file));
                 if (is_file($path)) {
-                    PackageConfig::loadFromFile($path);
+                    PackageConfig::loadFromFile($path, $registry_name);
                 } elseif (is_dir($path)) {
-                    PackageConfig::loadFromDir($path);
+                    PackageConfig::loadFromDir($path, $registry_name);
                 }
             }
         }
@@ -97,9 +101,9 @@ class Registry
             foreach ($data['artifact']['config'] as $path) {
                 $path = self::fullpath($path, dirname($registry_file));
                 if (is_file($path)) {
-                    ArtifactConfig::loadFromFile($path);
+                    ArtifactConfig::loadFromFile($path, $registry_name);
                 } elseif (is_dir($path)) {
-                    ArtifactConfig::loadFromDir($path);
+                    ArtifactConfig::loadFromDir($path, $registry_name);
                 }
             }
         }
@@ -187,7 +191,12 @@ class Registry
         }
     }
 
-    public static function checkLoadedRegistries(): void
+    /**
+     * Resolve loaded registries.
+     * This method finalizes the loading process by registering default stages
+     * and validating stage events.
+     */
+    public static function resolve(): void
     {
         // Register default stages for all PhpExtensionPackage instances
         // This must be done after all registries are loaded to ensure custom stages take precedence
@@ -217,6 +226,42 @@ class Registry
         self::$loaded_registries = [];
     }
 
+    /**
+     * Bind a package name to its registry config file for reverse lookup.
+     *
+     * @internal
+     */
+    public static function _bindPackageConfigFile(string $package_name, string $registry_name, string $config_file): void
+    {
+        self::$package_reversed_registry_files[$package_name] = [
+            'registry' => $registry_name,
+            'config' => $config_file,
+        ];
+    }
+
+    /**
+     * Bind an artifact name to its registry config file for reverse lookup.
+     *
+     * @internal
+     */
+    public static function _bindArtifactConfigFile(string $artifact_name, string $registry_name, string $config_file): void
+    {
+        self::$artifact_reversed_registry_files[$artifact_name] = [
+            'registry' => $registry_name,
+            'config' => $config_file,
+        ];
+    }
+
+    public static function getPackageConfigInfo(string $package_name): ?array
+    {
+        return self::$package_reversed_registry_files[$package_name] ?? null;
+    }
+
+    public static function getArtifactConfigInfo(string $artifact_name): ?array
+    {
+        return self::$artifact_reversed_registry_files[$artifact_name] ?? null;
+    }
+
     /**
      * Parse a class entry from the classes array.
      * Supports two formats:
diff --git a/src/StaticPHP/Skeleton/ArtifactGenerator.php b/src/StaticPHP/Skeleton/ArtifactGenerator.php
new file mode 100644
index 00000000..031d095b
--- /dev/null
+++ b/src/StaticPHP/Skeleton/ArtifactGenerator.php
@@ -0,0 +1,57 @@
+<?php
+
+namespace StaticPHP\Skeleton;
+
+class ArtifactGenerator
+{
+    protected ?array $source = null;
+
+    protected bool $generate_class = false;
+
+    protected bool $generate_custom_source_func = false;
+
+    protected bool $generate_custom_binary_func_for_unix = false;
+
+    protected bool $generate_custom_binary_func_for_windows = false;
+
+    public function __construct(protected string $name) {}
+
+    /**
+     * Get the artifact name.
+     */
+    public function getName(): string
+    {
+        return $this->name;
+    }
+
+    public function setSource(array $source): static
+    {
+        $clone = clone $this;
+        $clone->source = $source;
+        return $clone;
+    }
+
+    public function setCustomSource(): static
+    {
+        $clone = clone $this;
+        $clone->source = ['type' => 'custom'];
+        $clone->generate_class = true;
+        $clone->generate_custom_source_func = true;
+        return $clone;
+    }
+
+    public function getSource(): ?array
+    {
+        return $this->source;
+    }
+
+    public function generateConfig(): array
+    {
+        $config = [];
+
+        if ($this->source) {
+            $config['source'] = $this->source;
+        }
+        return $config;
+    }
+}
diff --git a/src/StaticPHP/Skeleton/ExecutorGenerator.php b/src/StaticPHP/Skeleton/ExecutorGenerator.php
new file mode 100644
index 00000000..02edf2eb
--- /dev/null
+++ b/src/StaticPHP/Skeleton/ExecutorGenerator.php
@@ -0,0 +1,16 @@
+<?php
+
+namespace StaticPHP\Skeleton;
+
+use StaticPHP\Exception\ValidationException;
+use StaticPHP\Runtime\Executor\Executor;
+
+class ExecutorGenerator
+{
+    public function __construct(protected string $class)
+    {
+        if (!is_a($class, Executor::class, true)) {
+            throw new ValidationException('Executor class must extend ' . Executor::class);
+        }
+    }
+}
diff --git a/src/StaticPHP/Skeleton/PackageGenerator.php b/src/StaticPHP/Skeleton/PackageGenerator.php
new file mode 100644
index 00000000..95d3c87f
--- /dev/null
+++ b/src/StaticPHP/Skeleton/PackageGenerator.php
@@ -0,0 +1,283 @@
+<?php
+
+namespace StaticPHP\Skeleton;
+
+use StaticPHP\Exception\ValidationException;
+
+/**
+ * A skeleton class for generating package files and configs.
+ */
+class PackageGenerator
+{
+    /** @var array<''|'unix'|'windows'|'macos'|'linux', string[]> $depends An array of dependencies required by the package, categorized by operating system. */
+    protected array $depends = [];
+
+    /** @var array<''|'unix'|'windows'|'macos'|'linux', string[]> $suggests An array of suggested packages for the package, categorized by operating system. */
+    protected array $suggests = [];
+
+    /** @var array<string> $frameworks An array of macOS frameworks for the package */
+    protected array $frameworks = [];
+
+    /** @var array<''|'unix'|'windows'|'macos'|'linux', string[]> $static_libs An array of static libraries required by the package, categorized by operating system. */
+    protected array $static_libs = [];
+
+    /** @var array<''|'unix'|'windows'|'macos'|'linux', string[]> $headers An array of header files required by the package, categorized by operating system. */
+    protected array $headers = [];
+
+    /** @var array<''|'unix'|'windows'|'macos'|'linux', string[]> $static_bins An array of static binaries required by the package, categorized by operating system. */
+    protected array $static_bins = [];
+
+    /** @var ArtifactGenerator|null $artifact Artifact */
+    protected ?ArtifactGenerator $artifact = null;
+
+    /** @var array $licenses Licenses */
+    protected array $licenses = [];
+
+    /** @var array<'Darwin'|'Linux'|'Windows', null|string> $build_for_enables Enable build function generating */
+    protected array $build_for_enables = [
+        'Darwin' => null,
+        'Linux' => null,
+        'Windows' => null,
+    ];
+
+    /** @var array<string, ExecutorGenerator> */
+    protected array $func_executor_binding = [];
+
+    /**
+     * @param string $package_name Package name
+     * @param 'library'|'target'|'virtual-target'|'php-extension' $type Package type ('library', 'target', 'virtual-target', etc.)
+     */
+    public function __construct(protected string $package_name, protected string $type) {}
+
+    /**
+     * Add package dependency.
+     *
+     * @param string $package Package name
+     * @param string $os Operating system ('' for all OSes, '@unix', '@windows', '@macos')
+     */
+    public function addDependency(string $package, string $os = ''): static
+    {
+        if (!in_array($os, ['', 'unix', 'windows', 'macos', 'linux'], true)) {
+            throw new ValidationException("Invalid OS suffix: {$os}");
+        }
+        $clone = clone $this;
+        if (!isset($clone->depends[$os])) {
+            $clone->depends[$os] = [];
+        }
+        if (!in_array($package, $clone->depends[$os], true)) {
+            $clone->depends[$os][] = $package;
+        }
+        return $clone;
+    }
+
+    /**
+     * Add package suggestion.
+     *
+     * @param string $package Package name
+     * @param string $os Operating system ('' for all OSes, '@unix', '@windows', '@macos')
+     */
+    public function addSuggestion(string $package, string $os = ''): static
+    {
+        if (!in_array($os, ['', 'unix', 'windows', 'macos', 'linux'], true)) {
+            throw new ValidationException("Invalid OS suffix: {$os}");
+        }
+        $clone = clone $this;
+        if (!isset($clone->suggests[$os])) {
+            $clone->suggests[$os] = [];
+        }
+        if (!in_array($package, $clone->suggests[$os], true)) {
+            $clone->suggests[$os][] = $package;
+        }
+        return $clone;
+    }
+
+    public function addStaticLib(string $lib_a, string $os = ''): static
+    {
+        if (!in_array($os, ['', 'unix', 'windows', 'macos', 'linux'], true)) {
+            throw new ValidationException("Invalid OS suffix: {$os}");
+        }
+        if (!str_ends_with($lib_a, '.lib') && !str_ends_with($lib_a, '.a')) {
+            throw new ValidationException("Static library must end with .lib or .a, got: {$lib_a}");
+        }
+        if (str_ends_with($lib_a, '.lib') && in_array($os, ['unix', 'linux', 'macos'], true)) {
+            throw new ValidationException("Static library with .lib extension cannot be added for non-Windows OS: {$lib_a}");
+        }
+        if (str_ends_with($lib_a, '.a') && $os === 'windows') {
+            throw new ValidationException("Static library with .a extension cannot be added for Windows OS: {$lib_a}");
+        }
+        if (isset($this->static_libs[$os]) && in_array($lib_a, $this->static_libs[$os], true)) {
+            // already exists
+            return $this;
+        }
+        $clone = clone $this;
+        if (!isset($clone->static_libs[$os])) {
+            $clone->static_libs[$os] = [];
+        }
+        if (!in_array($lib_a, $clone->static_libs[$os], true)) {
+            $clone->static_libs[$os][] = $lib_a;
+        }
+        return $clone;
+    }
+
+    public function addHeader(string $header_file, string $os = ''): static
+    {
+        if (!in_array($os, ['', 'unix', 'windows', 'macos', 'linux'], true)) {
+            throw new ValidationException("Invalid OS suffix: {$os}");
+        }
+        $clone = clone $this;
+        if (!isset($clone->headers[$os])) {
+            $clone->headers[$os] = [];
+        }
+        if (!in_array($header_file, $clone->headers[$os], true)) {
+            $clone->headers[$os][] = $header_file;
+        }
+        return $clone;
+    }
+
+    public function addStaticBin(string $bin_file, string $os = ''): static
+    {
+        if (!in_array($os, ['', 'unix', 'windows', 'macos', 'linux'], true)) {
+            throw new ValidationException("Invalid OS suffix: {$os}");
+        }
+        $clone = clone $this;
+        if (!isset($clone->static_bins[$os])) {
+            $clone->static_bins[$os] = [];
+        }
+        if (!in_array($bin_file, $clone->static_bins[$os], true)) {
+            $clone->static_bins[$os][] = $bin_file;
+        }
+        return $clone;
+    }
+
+    /**
+     * Add package artifact.
+     *
+     * @param ArtifactGenerator $artifactGenerator Artifact generator
+     */
+    public function addArtifact(ArtifactGenerator $artifactGenerator): static
+    {
+        $clone = clone $this;
+        $clone->artifact = $artifactGenerator;
+        return $clone;
+    }
+
+    /**
+     * Add license from string.
+     *
+     * @param string $text License content
+     */
+    public function addLicenseFromString(string $text): static
+    {
+        $clone = clone $this;
+        $clone->licenses[] = [
+            'type' => 'text',
+            'text' => $text,
+        ];
+        return $clone;
+    }
+
+    /**
+     * Add license from file.
+     *
+     * @param string $file_path License file path
+     */
+    public function addLicenseFromFile(string $file_path): static
+    {
+        $clone = clone $this;
+        $clone->licenses[] = [
+            'type' => 'file',
+            'path' => $file_path,
+        ];
+        return $clone;
+    }
+
+    /**
+     * Enable build for specific OS.
+     *
+     * @param 'Windows'|'Linux'|'Darwin'|array<'Windows'|'Linux'|'Darwin'> $build_for Build for OS
+     */
+    public function enableBuild(string|array $build_for, ?string $build_function_name = null): static
+    {
+        $clone = clone $this;
+        if (is_array($build_for)) {
+            foreach ($build_for as $bf) {
+                $clone = $clone->enableBuild($bf, $build_function_name ?? 'build');
+            }
+            return $clone;
+        }
+        $clone->build_for_enables[$build_for] = $build_function_name ?? "buildFor{$build_for}";
+        return $clone;
+    }
+
+    /**
+     * Bind function executor.
+     *
+     * @param string $func_name Function name
+     * @param ExecutorGenerator $executor Executor generator
+     */
+    public function addFunctionExecutorBinding(string $func_name, ExecutorGenerator $executor): static
+    {
+        $clone = clone $this;
+        $clone->func_executor_binding[$func_name] = $executor;
+        return $clone;
+    }
+
+    /**
+     * Generate package config
+     */
+    public function generateConfig(): array
+    {
+        $config = ['type' => $this->type];
+
+        // Add dependencies
+        foreach ($this->depends as $suffix => $depends) {
+            $k = $suffix !== '' ? "depends@{$suffix}" : 'depends';
+            $config[$k] = $depends;
+        }
+
+        // add suggests
+        foreach ($this->suggests as $suffix => $suggests) {
+            $k = $suffix !== '' ? "suggests@{$suffix}" : 'suggests';
+            $config[$k] = $suggests;
+        }
+
+        // Add frameworks
+        if (!empty($this->frameworks)) {
+            $config['frameworks'] = $this->frameworks;
+        }
+
+        // Add static libs
+        foreach ($this->static_libs as $suffix => $libs) {
+            $k = $suffix !== '' ? "static-libs@{$suffix}" : 'static-libs';
+            $config[$k] = $libs;
+        }
+
+        // Add headers
+        foreach ($this->headers as $suffix => $headers) {
+            $k = $suffix !== '' ? "headers@{$suffix}" : 'headers';
+            $config[$k] = $headers;
+        }
+
+        // Add static bins
+        foreach ($this->static_bins as $suffix => $bins) {
+            $k = $suffix !== '' ? "static-bins@{$suffix}" : 'static-bins';
+            $config[$k] = $bins;
+        }
+
+        // Add artifact
+        if ($this->artifact !== null) {
+            $config['artifact'] = $this->artifact->getName();
+        }
+
+        // Add licenses
+        if (!empty($this->licenses)) {
+            if (count($this->licenses) === 1) {
+                $config['license'] = $this->licenses[0];
+            } else {
+                $config['license'] = $this->licenses;
+            }
+        }
+
+        return $config;
+    }
+}
diff --git a/tests/bootstrap.php b/tests/bootstrap.php
index ba917332..14397d03 100644
--- a/tests/bootstrap.php
+++ b/tests/bootstrap.php
@@ -4,6 +4,6 @@ declare(strict_types=1);
 use Psr\Log\LogLevel;
 
 require_once __DIR__ . '/../src/bootstrap.php';
-\StaticPHP\Registry\Registry::checkLoadedRegistries();
+\StaticPHP\Registry\Registry::resolve();
 
 logger()->setLevel(LogLevel::ERROR);