diff --git a/src/ci/mcp/placeholder b/src/ci/mcp/placeholder
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/src/ci/mcp/placeholder
diff --git a/vars/gerritPatchsetCheckout.groovy b/vars/gerritPatchsetCheckout.groovy
new file mode 100644
index 0000000..363a256
--- /dev/null
+++ b/vars/gerritPatchsetCheckout.groovy
@@ -0,0 +1,26 @@
+def call(body) {
+  // evaluate the body block, and collect configuration into the object
+  def config = [:]
+  body.resolveStrategy = Closure.DELEGATE_FIRST
+  body.delegate = config
+  body()
+
+  stage("Gerrit Patchset Checkout") {
+    checkout(
+      scm: [
+        $class: 'GitSCM',
+        branches: [[name: "${GERRIT_BRANCH}"]],
+        extensions: [
+          [$class: 'CleanCheckout'],
+          [$class: 'BuildChooserSetting', buildChooser: [$class: 'GerritTriggerBuildChooser']]
+        ],
+        userRemoteConfigs: [[
+          credentialsId: "${config.credentialsId}",
+          name: 'gerrit',
+          url: "ssh://${GERRIT_NAME}@${GERRIT_HOST}:${GERRIT_PORT}/${GERRIT_PROJECT}.git",
+          refspec: "${GERRIT_REFSPEC}"
+        ]]
+      ]
+    )
+  }
+}
diff --git a/vars/gerritPatchsetCheckout.txt b/vars/gerritPatchsetCheckout.txt
new file mode 100644
index 0000000..4575695
--- /dev/null
+++ b/vars/gerritPatchsetCheckout.txt
@@ -0,0 +1,6 @@
+// Usage example
+node {
+  gerritPatchsetCheckout{
+    credentialsId = "credentials-id-string"
+  }
+}
diff --git a/vars/runTox.groovy b/vars/runTox.groovy
new file mode 100644
index 0000000..8b3f97c
--- /dev/null
+++ b/vars/runTox.groovy
@@ -0,0 +1,8 @@
+def call(String env=null) {
+  // Run tox with or without specified environment
+  if (env==null) {
+    sh "tox -v"
+  } else {
+    sh "tox -v -e ${env}"
+  }
+}