diff --git a/selfprivacy_api/services/flake_service_manager.py b/selfprivacy_api/services/flake_service_manager.py
new file mode 100644
index 0000000..63c2279
--- /dev/null
+++ b/selfprivacy_api/services/flake_service_manager.py
@@ -0,0 +1,53 @@
+import re
+from typing import Tuple, Optional
+
+FLAKE_CONFIG_PATH = "/etc/nixos/sp-modules/flake.nix"
+
+
+class FlakeServiceManager:
+    def __enter__(self) -> "FlakeServiceManager":
+        self.services = {}
+
+        with open(FLAKE_CONFIG_PATH, "r") as file:
+            for line in file:
+                service_name, url = self._extract_services(input_string=line)
+                if service_name and url:
+                    self.services[service_name] = url
+
+        return self
+
+    def _extract_services(
+        self, input_string: str
+    ) -> Tuple[Optional[str], Optional[str]]:
+        pattern = r"inputs\.([\w-]+)\.url\s*=\s*([\S]+);"
+        match = re.search(pattern, input_string)
+
+        if match:
+            variable_name = match.group(1)
+            url = match.group(2)
+            return variable_name, url
+        else:
+            return None, None
+
+    def __exit__(self, exc_type, exc_value, traceback) -> None:
+        with open(FLAKE_CONFIG_PATH, "w") as file:
+            file.write(
+                """
+{
+    description = "SelfPrivacy NixOS PoC modules/extensions/bundles/packages/etc";\n
+"""
+            )
+
+            for key, value in self.services.items():
+                file.write(
+                    f"""
+    inputs.{key}.url = {value};
+"""
+                )
+
+            file.write(
+                """
+    outputs = _: { };
+}
+"""
+            )
diff --git a/tests/test_flake_services_manager.py b/tests/test_flake_services_manager.py
new file mode 100644
index 0000000..4650b6d
--- /dev/null
+++ b/tests/test_flake_services_manager.py
@@ -0,0 +1,127 @@
+import pytest
+
+from selfprivacy_api.services.flake_service_manager import FlakeServiceManager
+
+all_services_file = """
+{
+    description = "SelfPrivacy NixOS PoC modules/extensions/bundles/packages/etc";
+
+
+    inputs.bitwarden.url = git+https://git.selfprivacy.org/SelfPrivacy/selfprivacy-nixos-config.git?ref=flakes&dir=sp-modules/bitwarden;
+
+    inputs.gitea.url = git+https://git.selfprivacy.org/SelfPrivacy/selfprivacy-nixos-config.git?ref=flakes&dir=sp-modules/gitea;
+
+    inputs.jitsi-meet.url = git+https://git.selfprivacy.org/SelfPrivacy/selfprivacy-nixos-config.git?ref=flakes&dir=sp-modules/jitsi-meet;
+
+    inputs.nextcloud.url = git+https://git.selfprivacy.org/SelfPrivacy/selfprivacy-nixos-config.git?ref=flakes&dir=sp-modules/nextcloud;
+
+    inputs.ocserv.url = git+https://git.selfprivacy.org/SelfPrivacy/selfprivacy-nixos-config.git?ref=flakes&dir=sp-modules/ocserv;
+
+    inputs.pleroma.url = git+https://git.selfprivacy.org/SelfPrivacy/selfprivacy-nixos-config.git?ref=flakes&dir=sp-modules/pleroma;
+
+    inputs.simple-nixos-mailserver.url = git+https://git.selfprivacy.org/SelfPrivacy/selfprivacy-nixos-config.git?ref=flakes&dir=sp-modules/simple-nixos-mailserver;
+
+    outputs = _: { };
+}
+"""
+
+
+some_services_file = """
+{
+    description = "SelfPrivacy NixOS PoC modules/extensions/bundles/packages/etc";
+
+
+    inputs.bitwarden.url = git+https://git.selfprivacy.org/SelfPrivacy/selfprivacy-nixos-config.git?ref=flakes&dir=sp-modules/bitwarden;
+
+    inputs.gitea.url = git+https://git.selfprivacy.org/SelfPrivacy/selfprivacy-nixos-config.git?ref=flakes&dir=sp-modules/gitea;
+
+    inputs.jitsi-meet.url = git+https://git.selfprivacy.org/SelfPrivacy/selfprivacy-nixos-config.git?ref=flakes&dir=sp-modules/jitsi-meet;
+
+    outputs = _: { };
+}
+"""
+
+
+@pytest.fixture
+def some_services_flake_mock(mocker, datadir):
+    flake_config_path = datadir / "some_services.nix"
+    mocker.patch(
+        "selfprivacy_api.services.flake_service_manager.FLAKE_CONFIG_PATH",
+        new=flake_config_path,
+    )
+    return flake_config_path
+
+
+@pytest.fixture
+def no_services_flake_mock(mocker, datadir):
+    flake_config_path = datadir / "no_services.nix"
+    mocker.patch(
+        "selfprivacy_api.services.flake_service_manager.FLAKE_CONFIG_PATH",
+        new=flake_config_path,
+    )
+    return flake_config_path
+
+
+# ---
+
+
+def test_read_services_list(some_services_flake_mock):
+    with FlakeServiceManager() as manager:
+        services = {
+            "bitwarden": "git+https://git.selfprivacy.org/SelfPrivacy/selfprivacy-nixos-config.git?ref=flakes&dir=sp-modules/bitwarden",
+            "gitea": "git+https://git.selfprivacy.org/SelfPrivacy/selfprivacy-nixos-config.git?ref=flakes&dir=sp-modules/gitea",
+            "jitsi-meet": "git+https://git.selfprivacy.org/SelfPrivacy/selfprivacy-nixos-config.git?ref=flakes&dir=sp-modules/jitsi-meet",
+        }
+        assert manager.services == services
+
+
+def test_change_services_list(some_services_flake_mock):
+    services = {
+        "bitwarden": "git+https://git.selfprivacy.org/SelfPrivacy/selfprivacy-nixos-config.git?ref=flakes&dir=sp-modules/bitwarden",
+        "gitea": "git+https://git.selfprivacy.org/SelfPrivacy/selfprivacy-nixos-config.git?ref=flakes&dir=sp-modules/gitea",
+        "jitsi-meet": "git+https://git.selfprivacy.org/SelfPrivacy/selfprivacy-nixos-config.git?ref=flakes&dir=sp-modules/jitsi-meet",
+        "nextcloud": "git+https://git.selfprivacy.org/SelfPrivacy/selfprivacy-nixos-config.git?ref=flakes&dir=sp-modules/nextcloud",
+        "ocserv": "git+https://git.selfprivacy.org/SelfPrivacy/selfprivacy-nixos-config.git?ref=flakes&dir=sp-modules/ocserv",
+        "pleroma": "git+https://git.selfprivacy.org/SelfPrivacy/selfprivacy-nixos-config.git?ref=flakes&dir=sp-modules/pleroma",
+        "simple-nixos-mailserver": "git+https://git.selfprivacy.org/SelfPrivacy/selfprivacy-nixos-config.git?ref=flakes&dir=sp-modules/simple-nixos-mailserver",
+    }
+
+    with FlakeServiceManager() as manager:
+        manager.services = services
+
+    with FlakeServiceManager() as manager:
+        assert manager.services == services
+
+    with open(some_services_flake_mock, "r", encoding="utf-8") as file:
+        file_content = file.read().strip()
+
+    assert all_services_file.strip() == file_content
+
+
+def test_read_empty_services_list(no_services_flake_mock):
+    with FlakeServiceManager() as manager:
+        services = {}
+        assert manager.services == services
+
+
+def test_change_empty_services_list(no_services_flake_mock):
+    services = {
+        "bitwarden": "git+https://git.selfprivacy.org/SelfPrivacy/selfprivacy-nixos-config.git?ref=flakes&dir=sp-modules/bitwarden",
+        "gitea": "git+https://git.selfprivacy.org/SelfPrivacy/selfprivacy-nixos-config.git?ref=flakes&dir=sp-modules/gitea",
+        "jitsi-meet": "git+https://git.selfprivacy.org/SelfPrivacy/selfprivacy-nixos-config.git?ref=flakes&dir=sp-modules/jitsi-meet",
+        "nextcloud": "git+https://git.selfprivacy.org/SelfPrivacy/selfprivacy-nixos-config.git?ref=flakes&dir=sp-modules/nextcloud",
+        "ocserv": "git+https://git.selfprivacy.org/SelfPrivacy/selfprivacy-nixos-config.git?ref=flakes&dir=sp-modules/ocserv",
+        "pleroma": "git+https://git.selfprivacy.org/SelfPrivacy/selfprivacy-nixos-config.git?ref=flakes&dir=sp-modules/pleroma",
+        "simple-nixos-mailserver": "git+https://git.selfprivacy.org/SelfPrivacy/selfprivacy-nixos-config.git?ref=flakes&dir=sp-modules/simple-nixos-mailserver",
+    }
+
+    with FlakeServiceManager() as manager:
+        manager.services = services
+
+    with FlakeServiceManager() as manager:
+        assert manager.services == services
+
+    with open(no_services_flake_mock, "r", encoding="utf-8") as file:
+        file_content = file.read().strip()
+
+    assert all_services_file.strip() == file_content
diff --git a/tests/test_flake_services_manager/no_services.nix b/tests/test_flake_services_manager/no_services.nix
new file mode 100644
index 0000000..5967016
--- /dev/null
+++ b/tests/test_flake_services_manager/no_services.nix
@@ -0,0 +1,4 @@
+{
+    description = "SelfPrivacy NixOS PoC modules/extensions/bundles/packages/etc";
+    outputs = _: { };
+}
diff --git a/tests/test_flake_services_manager/some_services.nix b/tests/test_flake_services_manager/some_services.nix
new file mode 100644
index 0000000..4bbb919
--- /dev/null
+++ b/tests/test_flake_services_manager/some_services.nix
@@ -0,0 +1,12 @@
+{
+    description = "SelfPrivacy NixOS PoC modules/extensions/bundles/packages/etc";
+
+
+    inputs.bitwarden.url = git+https://git.selfprivacy.org/SelfPrivacy/selfprivacy-nixos-config.git?ref=flakes&dir=sp-modules/bitwarden;
+
+    inputs.gitea.url = git+https://git.selfprivacy.org/SelfPrivacy/selfprivacy-nixos-config.git?ref=flakes&dir=sp-modules/gitea;
+
+    inputs.jitsi-meet.url = git+https://git.selfprivacy.org/SelfPrivacy/selfprivacy-nixos-config.git?ref=flakes&dir=sp-modules/jitsi-meet;
+
+    outputs = _: { };
+}