diff --git a/site-config/hsmcompute/spack.yaml b/site-config/hsmcompute/spack.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..f519e940b51798635c25d7dede7177d2caaa4e5d
--- /dev/null
+++ b/site-config/hsmcompute/spack.yaml
@@ -0,0 +1,129 @@
+spack:
+    #  include:
+      #    - site-config/$SYSTEMNAME
+  specs:
+    # EBRAINS tools
+    - apbs@3.4.0 ^openblas
+    - arbor@0.8.1 +python +mpi
+    - biobb-analysis@4.0.1
+    - biobb-chemistry@4.0.0
+    - biobb-common@4.0.0
+    - biobb-gromacs@4.0.0
+    - biobb-io@4.0.0
+    - biobb-model@4.0.0
+    - biobb-structure-checking@3.12.1
+    - biobb-structure-utils@4.0.0
+    - hxtorch@6.0-rc2
+    - nest@3.5 +sonata
+    - neuron@8.2.2 +mpi
+    - py-bluepyefe@2.2.18
+    - py-bluepymm@0.7.65
+    - py-bluepyopt@1.13.86
+    - py-ebrains-drive@0.5.1
+    - py-ebrains-kg-core@0.9.14
+    - py-efel@4.0.4
+    - py-elephant@0.12.0
+    - py-fairgraph@0.11.0
+    - py-frites@0.4.3
+    - py-hbp-archive@1.1.1
+    - py-hbp-neuromorphic-platform@0.10.1
+    - py-hbp-validation-client@0.8.2
+    - py-hippounit@1.3.6
+    - py-lfpy@2.3
+    - py-lfpykit@0.5
+    - py-libsonata@0.1.22
+    - py-neo@0.12.0
+    - py-nestml@5.2.0
+    - py-netpyne@1.0.4.2
+    - py-neurom@3.2.2
+    - py-neuror@1.4.2
+    - py-pdb2pqr@3.5.2
+    - py-pynn@0.11.0 +mpi
+    - py-pyunicore@0.14.1
+    - py-quantities-scidash@0.12.4.3
+    - py-quantities@0.14.1
+    - py-siibra@0.4a57
+    - py-snudda@1.4.71
+    - py-tvb-data@2.7
+    - py-tvb-framework@2.8.1.1
+    - py-tvb-gdist@2.2
+    - py-tvb-library@2.8.1
+    - py-tvb-storage@2.8.1
+    - py-viziphant@0.3.0
+    - pynn-brainscales@6.0-rc2
+    - r-rgsl@0.1
+    - r-sbtabvfgen@0.1
+    - r-uqsa@2.2
+    - sda@7.3.3d
+
+    
+    # Workflows (meta-packages)
+    - wf-biobb
+    - wf-brainscales2-demos
+    - wf-uq-akar4@0.1
+    - wf-multi-area-model@0.1
+
+    
+    #- py-cerebstats
+    #- py-cerebunit
+    #- py-morphounit@1.0.4
+    #BSC-STUFF
+    - harfbuzz@4.2.1
+  packages:
+    cuda:
+      buildable: false
+      compiler: []
+      externals:
+      - modules:
+        - cuda/11.3
+        spec: cuda@11.3.58
+      providers: {}
+      target: []
+      variants: +allow-unsupported-compilers
+      version:
+      - 11.3.58
+    nccl:
+      buildable: false
+      externals:
+      - modules:
+        - nvhpc/21.5
+        spec: nccl@2.8.3 +cuda cuda_arch=72
+        prefix: /apps/NVHPC/2021.215/Linux_ppc64le/21.5/comm_libs/nccl
+      version:
+      - 2.13.4
+    cudnn:
+      buildable: false
+      externals:
+      - modules:
+        - cudnn/8.6.0
+        spec: cudnn@8.6.0
+        prefix: /apps/CUDNN/8.6.0
+      version:
+      - 8.6.0
+    python:
+      version: [3.8.11]
+    all:
+      target: [ppc64le]
+      compiler: [gcc@10.1.0]
+      providers:
+        blas: [essl, openblas, netlib-lapack]
+        lapack: [openblas, netlib-lapack]
+        scalapack: [netlib-scalapack]
+  compilers:
+  - compiler:
+      spec: gcc@10.1.0
+      paths:
+        cc: /apps/GCC/10.1.0/bin/gcc
+        cxx: /apps/GCC/10.1.0/bin/g++
+        f77: /apps/GCC/10.1.0/bin/gfortran
+        fc: /apps/GCC/10.1.0/bin/gfortran
+      flags: {}
+      operating_system: rhel8
+      target: ppc64le
+      modules: []
+      environment: {}
+      extra_rpaths: []
+  concretizer:
+    unify: true
+  repos:
+  - /apps/SPACK/0.19.2/spack-ebrains-releases/ebrains-23-06-stable-hsmcompute