diff --git a/experiments/smb/mpi/ramble.yaml b/experiments/smb/mpi/ramble.yaml
new file mode 100644
index 00000000..29d435b5
--- /dev/null
+++ b/experiments/smb/mpi/ramble.yaml
@@ -0,0 +1,49 @@
+# Copyright 2023 Lawrence Livermore National Security, LLC and other
+# Benchpark Project Developers. See the top-level COPYRIGHT file for details.
+# 
+# SPDX-License-Identifier: Apache-2.0
+ramble:
+  include:
+  - ./configs/software.yaml
+  - ./configs/variables.yaml
+  - ./configs/modifier.yaml
+  config:
+    deprecated: true
+    spack_flags:
+      install: '--add --keep-stage'
+      concretize: '-U -f'
+
+  modifiers:
+  - name: allocation
+
+  applications:
+    smb:
+      workloads:
+        mpi_overhead:
+          experiments:
+            smb_mpi_overhead_strong_{n_ranks}:
+              variants: 
+                package_manager: spack  
+              variables:
+                n_ranks: ['2','4','8']
+        msgrate:
+          experiments:
+            smb_msgrate_strong_{n_nodes}:
+              variants: 
+                package_manager: spack  
+              variables:
+                n_nodes: ['1','2','4']
+                n_ranks: '{n_nodes}*{sys_cores_per_node}'
+                ppn: '1'
+
+  software:
+    packages:
+      smb:
+        pkg_spec: smb@master +mpi
+        compiler: default-compiler
+    environments:
+      smb:
+        packages:
+        - default-mpi
+        - smb
+        - '{modifier_package_name}'
diff --git a/repo/smb/application.py b/repo/smb/application.py
new file mode 100644
index 00000000..7e398888
--- /dev/null
+++ b/repo/smb/application.py
@@ -0,0 +1,50 @@
+# Copyright 2023 Lawrence Livermore National Security, LLC and other
+# Benchpark Project Developers. See the top-level COPYRIGHT file for details.
+#
+# SPDX-License-Identifier: Apache-2.0
+
+import sys
+
+from ramble.appkit import *
+
+
+class Smb(ExecutableApplication):
+    """Sandia microbenchmarks"""
+    name = "Sandia microbenchmarks"
+
+    executable('p1', 'mpi_overhead -v', use_mpi=True)
+    executable('p2', 'msgrate -n {ppn}', use_mpi=True)
+    #executable('p3', 'mpiGraph', use_mpi=True)
+    workload('mpi_overhead', executables=['p1'])
+    workload('msgrate', executables=['p2'])
+
+    workload_variable('ppn', default='1',
+                   description='Number of procs per node',
+                   workloads=['msgrate'])
+    #TODO: Figure out FOMs
+    figure_of_merit('single direction',
+                   log_file='{experiment_run_dir}/{experiment_name}.out',
+                   fom_regex=r'single direction:\s+(?P<fom>[0-9]+\.[0-9]*)',
+                  group_name='fom', units='')
+    #TODO:fix this one. Not sure what's causing it to not detect
+    figure_of_merit('overhead',
+                    log_file='{experiment_run_dir}/{experiment_name}.out',
+                    fom_regex=r'(?:[0-9]+\.?[0-9]* +){4}(?P<fom>[0-9]+\.[0-9]*)',
+                    #fom_regex=r'avail\(%\)(?:\s|\t)*\n\s*(?:[0-9]+\.*[0-9]*\s*){4}(?P<fom>[0-9]+\.*[0-9]*)',
+                   group_name='fom', units='')
+
+    figure_of_merit('pair based',
+                    log_file='{experiment_run_dir}/{experiment_name}.out',
+                    fom_regex=r'pair-based:\s+(?P<fom>[0-9]+\.[0-9]*)',
+                   group_name='fom', units='')
+
+    figure_of_merit('pre-post',
+                    log_file='{experiment_run_dir}/{experiment_name}.out',
+                    fom_regex=r'\s*pre-post:\s+(?P<fom>[0-9]+\.[0-9]*)',
+                   group_name='fom', units='')
+
+    figure_of_merit('all-start',
+                    log_file='{experiment_run_dir}/{experiment_name}.out',
+                    fom_regex=r'\s*all-start:\s+(?P<fom>[0-9]+\.[0-9]*)',
+                   group_name='fom', units='')
+    #success_criteria('pass', mode='string', match=r'.*', file='{experiment_run_dir}/{experiment_name}.out')
diff --git a/repo/smb/package.py b/repo/smb/package.py
new file mode 100644
index 00000000..1e230c84
--- /dev/null
+++ b/repo/smb/package.py
@@ -0,0 +1,48 @@
+# Copyright 2023 Lawrence Livermore National Security, LLC and other
+# Benchpark Project Developers. See the top-level COPYRIGHT file for details.
+#
+# SPDX-License-Identifier: Apache-2.0
+from spack.package import *
+import llnl.util.filesystem as fs
+import inspect
+class Smb(MakefilePackage):
+    tags = []
+
+    url = "https://github.com/sandialabs/SMB/archive/refs/tags/1.1.tar.gz"
+    git = "https://github.com/sandialabs/SMB"
+
+    maintainers("knox10")
+
+    version("master", branch="master")
+
+    variant("mpi", default=False, description="Build with MPI support")
+    variant("rma", default=False, description="Build RMA-MT variant")    
+    depends_on("mpi", when="+mpi")
+    build_directory = ["src/mpi_overhead"]
+    
+    #build_targets=["mpi_overhead", "msgrate"]
+    def edit(self, spec, prefix):
+        if "+rma" in spec:
+            
+            makefile = FileFilter("src/rma_mt_mpi/Makefile")
+            makefile.filter('CC = cc', "CC = {0}".format(spec["mpi"].mpicc))
+    #TODO: fix rma variant for msgrate workload and add shm variant
+    def build(self, spec, prefix):
+        if "+rma" in spec: 
+            self.build_directory.append("src/rma_mt_mpi")
+        else:
+            self.build_directory.append("src/msgrate")
+
+        for path in self.build_directory:
+            with fs.working_dir(path):
+                make()
+    def install(self, spec, prefix):
+        mkdir(prefix.bin)
+        mkdir(prefix.doc)
+        install("src/mpi_overhead/mpi_overhead", prefix.bin)
+        if "+rma" in spec:
+            install("src/rma_mt_mpi/msgrate", prefix.bin)
+        else:
+            install("src/msgrate/msgrate", prefix.bin)
+        install("src/mpi_overhead/README", prefix.doc)
+        install("src/msgrate/README", prefix.doc)