diff --git a/.gitignore b/.gitignore
index 67cf4c6..4d3a4ac 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 env
-version.json
-libs.txt
+tools/version.json
+tools/libs.txt
+for_build/mc_start.*
diff --git a/tools/README.md b/tools/README.md
new file mode 100644
index 0000000..14e0969
--- /dev/null
+++ b/tools/README.md
@@ -0,0 +1 @@
+* `make_libs_list.py` - parse `version.json` file and return libs
diff --git a/make_libs.py b/tools/make_libs_list.py
old mode 100755
new mode 100644
similarity index 100%
rename from make_libs.py
rename to tools/make_libs_list.py