diff --git a/.gitignore b/.gitignore
index deba1c2b..1e84b290 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,5 +3,4 @@
 .bsp
 .metals
 .vscode
-project
 target
diff --git a/scalafix/project/ConfigAxis.scala b/scalafix/project/ConfigAxis.scala
new file mode 100644
index 00000000..a957e041
--- /dev/null
+++ b/scalafix/project/ConfigAxis.scala
@@ -0,0 +1,2 @@
+import sbt._
+case class ConfigAxis(idSuffix: String, directorySuffix: String) extends VirtualAxis.WeakAxis {}
diff --git a/scalafix/project/build.properties b/scalafix/project/build.properties
new file mode 100644
index 00000000..abbbce5d
--- /dev/null
+++ b/scalafix/project/build.properties
@@ -0,0 +1 @@
+sbt.version=1.9.8
diff --git a/scalafix/project/plugins.sbt b/scalafix/project/plugins.sbt
new file mode 100644
index 00000000..1d81f9dc
--- /dev/null
+++ b/scalafix/project/plugins.sbt
@@ -0,0 +1,4 @@
+resolvers += Resolver.sonatypeRepo("releases")
+addSbtPlugin("ch.epfl.scala" % "sbt-scalafix" % "0.11.1")
+addSbtPlugin("com.eed3si9n" % "sbt-projectmatrix" % "0.9.0")
+addSbtPlugin("org.scalameta" % "sbt-scalafmt" % "2.5.2")