diff --git a/mps-cli-rs/Cargo.lock b/mps-cli-rs/Cargo.lock
index 44ef65a..3a21c1a 100644
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+ "deflate64",
+ "displaydoc",
+ "flate2",
+ "hmac",
+ "indexmap",
+ "lzma-rs",
+ "memchr",
+ "pbkdf2",
+ "rand",
+ "sha1",
+ "thiserror",
+ "time",
+ "zeroize",
+ "zopfli",
+ "zstd",
+]
+
+[[package]]
+name = "zopfli"
+version = "0.8.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e5019f391bac5cf252e93bbcc53d039ffd62c7bfb7c150414d61369afe57e946"
+dependencies = [
+ "bumpalo",
+ "crc32fast",
+ "lockfree-object-pool",
+ "log",
+ "once_cell",
+ "simd-adler32",
+]
+
+[[package]]
+name = "zstd"
+version = "0.13.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fcf2b778a664581e31e389454a7072dab1647606d44f7feea22cd5abb9c9f3f9"
+dependencies = [
+ "zstd-safe",
+]
+
+[[package]]
+name = "zstd-safe"
+version = "7.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fa556e971e7b568dc775c136fc9de8c779b1c2fc3a63defaafadffdbd3181afa"
+dependencies = [
+ "zstd-sys",
+]
+
+[[package]]
+name = "zstd-sys"
+version = "2.0.12+zstd.1.5.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0a4e40c320c3cb459d9a9ff6de98cff88f4751ee9275d140e2be94a2b74e4c13"
+dependencies = [
+ "cc",
+ "pkg-config",
+]
diff --git a/mps-cli-rs/Cargo.toml b/mps-cli-rs/Cargo.toml
index 7c8fc2f..b1ad443 100644
--- a/mps-cli-rs/Cargo.toml
+++ b/mps-cli-rs/Cargo.toml
@@ -16,7 +16,8 @@ std = []
 [dependencies]
 walkdir = "2.5.0"
 roxmltree = "0.20.0"
+zip = "2.1.5"
 
 [profile.release]
 lto = "fat"
-codegen-units = 1
\ No newline at end of file
+codegen-units = 1
diff --git a/mps-cli-rs/src/builder/mod.rs b/mps-cli-rs/src/builder/mod.rs
index 6699f3f..1fffceb 100644
--- a/mps-cli-rs/src/builder/mod.rs
+++ b/mps-cli-rs/src/builder/mod.rs
@@ -1,4 +1,5 @@
 pub(crate) mod smodules_repository_builder;
+mod smodule_builder_from_jars;
 mod ssolution_builder;
 mod smodel_builder_base;
 mod smodel_builder_default_persistency;
diff --git a/mps-cli-rs/src/builder/smodule_builder_from_jars.rs b/mps-cli-rs/src/builder/smodule_builder_from_jars.rs
new file mode 100644
index 0000000..e67d239
--- /dev/null
+++ b/mps-cli-rs/src/builder/smodule_builder_from_jars.rs
@@ -0,0 +1,42 @@
+use std::env;
+use std::fs::remove_dir_all;
+use std::fs;
+use std::{collections::HashMap, fs::File, io::Error, path::PathBuf};
+use zip::ZipArchive;
+
+use crate::builder::smodules_repository_builder::collect_modules_from_source;
+use crate::model::{slanguage::SLanguage, ssolution::SSolution};
+
+use super::slanguage_builder::SLanguageBuilder;
+use super::smodel_builder_base::SModelBuilderCache;
+
+
+
+pub(crate) fn build_from_jars(dir : &String, jar_files : Vec<PathBuf>, language_id_to_slanguage: &mut HashMap<String, SLanguage>, language_builder : &mut SLanguageBuilder, model_builder_cache : &mut SModelBuilderCache) -> Result<Vec<SSolution>, Error> {
+    let mut res = Vec::new();
+    let root_path = PathBuf::from(dir);
+    let root_path = fs::canonicalize(&root_path)?;
+    let temp_dir = env::temp_dir();
+    println!("Collecting jars from root path: {}", root_path.display());
+    for jar_file in jar_files {
+        let archive = File::open(jar_file.clone())?;
+        let mut archive = ZipArchive::new(archive)?;
+        if !archive.file_names().any(|it| it.ends_with(".msd")) {
+            continue;
+        }
+
+        let mut absolute_path_to_jar_file = jar_file.canonicalize()?.into_os_string();
+        absolute_path_to_jar_file.push("_jar");
+        let absolute_path_to_jar_dir = PathBuf::from(absolute_path_to_jar_file.to_str().unwrap());
+        let relative_directory_of_jar = absolute_path_to_jar_dir.strip_prefix(root_path.clone()).unwrap();
+        let temporary_directory_to_extract_jar = temp_dir.join(relative_directory_of_jar);
+
+
+        println!(" - extracted '{}' to temporary dir '{}'", jar_file.file_name().unwrap().to_str().unwrap(), temporary_directory_to_extract_jar.to_str().unwrap());
+        archive.extract(temporary_directory_to_extract_jar.clone())?;  
+        collect_modules_from_source(&temporary_directory_to_extract_jar.to_str().unwrap().to_owned(), language_id_to_slanguage, language_builder, model_builder_cache, &mut res);        
+        remove_dir_all(temporary_directory_to_extract_jar.clone())?;
+        println!(" - removed dir '{}'", temporary_directory_to_extract_jar.to_str().unwrap());
+    };
+    Ok(res)        
+}
\ No newline at end of file
diff --git a/mps-cli-rs/src/builder/smodules_repository_builder.rs b/mps-cli-rs/src/builder/smodules_repository_builder.rs
index 03ea096..12b8978 100644
--- a/mps-cli-rs/src/builder/smodules_repository_builder.rs
+++ b/mps-cli-rs/src/builder/smodules_repository_builder.rs
@@ -1,8 +1,11 @@
 use std::collections::HashMap;
+use std::fs::File;
+use std::io::Error;
 use std::path::PathBuf;
 use std::time::Instant;
 
 use walkdir::WalkDir;
+use zip::ZipArchive;
 
 use crate::builder::slanguage_builder::SLanguageBuilder;
 use crate::builder::smodel_builder_base::SModelBuilderCache;
@@ -11,6 +14,8 @@ use crate::model::srepository::SRepository;
 use crate::model::ssolution::SSolution;
 use crate::model::slanguage::SLanguage;
 
+use super::smodule_builder_from_jars::build_from_jars;
+
 pub(crate) fn build_repo_from_directory<'a>(dir: String) -> SRepository {
     let mut all_solutions : Vec<SSolution> = Vec::new();
     let mut language_builder = SLanguageBuilder::new();
@@ -24,22 +29,36 @@ pub(crate) fn build_repo_from_directory<'a>(dir: String) -> SRepository {
 
 fn build_solutions_from<'a>(dir: String, language_id_to_slanguage: &'a mut HashMap<String, SLanguage>, language_builder : &mut SLanguageBuilder, solutions : &'a mut Vec<SSolution>) {
     let now = Instant::now();
-    collect_modules_from_sources(dir.clone(), language_id_to_slanguage, language_builder, solutions);
+    collect_modules(dir.clone(), language_id_to_slanguage, language_builder, solutions);
     let elapsed = now.elapsed();
     println!("{} milli seconds for handling {}", elapsed.as_millis(), dir);
 }
 
-fn collect_modules_from_sources<'a>(source_dir: String, language_id_to_slanguage: &'a mut HashMap<String, SLanguage>, language_builder : &mut SLanguageBuilder, solutions : &'a mut Vec<SSolution>) {
+fn collect_modules<'a>(dir: String, language_id_to_slanguage: &'a mut HashMap<String, SLanguage>, language_builder : &mut SLanguageBuilder, solutions : &'a mut Vec<SSolution>) {
     let mut model_builder_cache = SModelBuilderCache::new();
 
-    let msd_files = find_files_with_extension(&source_dir, "msd");
+    collect_modules_from_source(&dir, language_id_to_slanguage, language_builder, &mut model_builder_cache, solutions);
+    collect_modules_from_jars(dir, language_id_to_slanguage, language_builder, &mut model_builder_cache, solutions);
+}
+
+pub(crate) fn collect_modules_from_source(dir: &String, language_id_to_slanguage: &mut HashMap<String, SLanguage>, language_builder: &mut SLanguageBuilder, model_builder_cache : &mut SModelBuilderCache, solutions: &mut Vec<SSolution>) {
+    let msd_files = find_files_with_extension(dir, "msd");
     msd_files.iter()
             .for_each(|msd_file| {
-                let s = build_solution(msd_file, language_id_to_slanguage, language_builder, &mut model_builder_cache);
+                let s = build_solution(msd_file, language_id_to_slanguage, language_builder, model_builder_cache);
                 solutions.push(s);
             });
 }
 
+fn collect_modules_from_jars(dir: String, language_id_to_slanguage: &mut HashMap<String, SLanguage>, language_builder: &mut SLanguageBuilder, model_builder_cache : &mut SModelBuilderCache, solutions: &mut Vec<SSolution>) {
+    let jar_files = find_files_with_extension(&dir, "jar");
+    let res = build_from_jars(&dir, jar_files, language_id_to_slanguage, language_builder, model_builder_cache);
+    match res {
+        Ok(mut s) => solutions.append(&mut s),
+        Err(err) => println!("error {}", err),
+    }
+}
+
 fn find_files_with_extension(source_dir: &String, searched_ext : &str) -> Vec<PathBuf> {
     let walk_dir: WalkDir = WalkDir::new(source_dir);
     let mut msd_files = Vec::new();
diff --git a/mps-cli-rs/tests/jars_persistency_tests.rs b/mps-cli-rs/tests/jars_persistency_tests.rs
new file mode 100644
index 0000000..e6bc2d9
--- /dev/null
+++ b/mps-cli-rs/tests/jars_persistency_tests.rs
@@ -0,0 +1,9 @@
+mod model_completeness_tests;
+use mps_cli::build_repo_from_directory;
+
+#[test]
+fn test_build_repository() {
+    let path = "../mps_test_projects/mps_cli_lanuse_binary/"; 
+    let repo = build_repo_from_directory(path.to_string()); 
+    model_completeness_tests::check_model_completeness(&repo, "mps.cli.lanuse.library_top", "mps.cli.lanuse.library_second");
+}
\ No newline at end of file
diff --git a/mps_test_projects/mps_cli_lanuse_binary/mps_cli_lanuse_file_per_root.jar b/mps_test_projects/mps_cli_lanuse_binary/mps_cli_lanuse_file_per_root.jar
index 8fc86ac..98f046b 100644
Binary files a/mps_test_projects/mps_cli_lanuse_binary/mps_cli_lanuse_file_per_root.jar and b/mps_test_projects/mps_cli_lanuse_binary/mps_cli_lanuse_file_per_root.jar differ