diff --git a/Compiler/impi/files/config.yaml b/Compiler/impi/files/config.yaml
new file mode 100644
index 0000000..5fb6057
--- /dev/null
+++ b/Compiler/impi/files/config.yaml
@@ -0,0 +1,23 @@
+---
+# yamllint disable rule:line-length
+format: 1
+impi:
+  defaults:
+    group: Compiler
+    overlay: base
+    relstage: stable
+    build_functions:
+      prep: []
+      configure: []
+      compile: []
+      install: []
+
+  versions:
+    22.2:
+      variants:
+        - systems: [merlin-.*\.psi.ch]
+          relstage: stable
+          group_deps:
+            compiler:
+              intel: [22.2]
+
diff --git a/Compiler/impi/files/variants.rhel6 b/Compiler/impi/files/variants.rhel6
deleted file mode 100644
index 01ef3a6..0000000
--- a/Compiler/impi/files/variants.rhel6
+++ /dev/null
@@ -1,16 +0,0 @@
-impi/5.0        deprecated	intel/15.2
-impi/5.0        deprecated	intel/15.3
-impi/5.1        deprecated	intel/16.1
-impi/5.1        deprecated	intel/16.2
-impi/5.1        deprecated	intel/16.3
-impi/5.1        deprecated	intel/17.1
-impi/17.8       deprecated	intel/17.8
-impi/18.2       deprecated	intel/18.2
-impi/18.3       deprecated	intel/18.3
-impi/18.4       deprecated	intel/18.4
-impi/19.3       deprecated	intel/19.3
-impi/19.4	deprecated	intel/19.4
-impi/20.4	stable	        intel/20.4
-impi/21.4	stable	        intel/21.4
-impi/22.1	stable	        intel/22.1
-impi/22.2	unstable	intel/22.2
diff --git a/MPI/arpack-ng/files/config.yaml b/MPI/arpack-ng/files/config.yaml
new file mode 100644
index 0000000..3c44850
--- /dev/null
+++ b/MPI/arpack-ng/files/config.yaml
@@ -0,0 +1,37 @@
+---
+# yamllint disable rule:line-length
+format: 1
+arpack-ng:
+  defaults:
+    group: MPI
+    overlay: base
+    relstage: stable
+    systems: [.*]
+    docfiles:
+      - Copyright.txt
+      - LICENSE
+      - README
+      - RELEASE_NOTES
+    urls:
+      - url: https://github.com/opencollab/$P/archive/refs/tags/${V_PKG}.tar.gz
+        name: $P-${V_PKG}.tar.gz
+
+  shasums:
+    arpack-ng-3.9.0.tar.gz: 24f2a2b259992d3c797d80f626878aa8e2ed5009d549dad57854bbcfb95e1ed0
+
+  versions:
+    3.9.0:
+      variants:
+        - group_deps:
+            compiler:
+              intel: [22.2]
+            mpi:
+              impi: [22.2]
+          configure_args:
+            - -DCMAKE_BUILD_TYPE:STRING=Release
+            - -DMPI="ON"
+            - -DICB="ON"
+            - -DBUILD_SHARED_LIBS="ON"
+            - -DCMAKE_POSITION_INDEPENDENT_CODE="ON"
+          build_requires: [cmake/3.25.2]
+