diff --git a/.gitignore b/.gitignore
index 3e806412..d8b818b2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -11,3 +11,5 @@ prepared_kb
 *.*~
 .idea
 __pycache__
+
+tools/*
diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 00000000..fbe5eb68
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "tools/tex2scs-translator"]
+	path = tools/tex2scs-translator
+	url = https://github.com/ostis-ai/tex2scs-translator
diff --git a/docs/changelog.md b/docs/changelog.md
index 6f45b9cb..854131df 100644
--- a/docs/changelog.md
+++ b/docs/changelog.md
@@ -6,6 +6,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 ### Added
+- Add tex2scs-translator as git submodule
 - Add CI
 
 ### Breaking actions
diff --git a/tools/tex2scs-translator b/tools/tex2scs-translator
new file mode 160000
index 00000000..049bbdf3
--- /dev/null
+++ b/tools/tex2scs-translator
@@ -0,0 +1 @@
+Subproject commit 049bbdf3728247f49593f41e507a2bfb09739bd9