diff --git a/.github/workflows/CustomRunnerMWEs.yml b/.github/workflows/CustomRunnerMWEs.yml
new file mode 100644
index 0000000000..d24f029ffb
--- /dev/null
+++ b/.github/workflows/CustomRunnerMWEs.yml
@@ -0,0 +1,160 @@
+# This workflow showcases feature differences between
+# GitHub's default runner (actions/runner)
+# and
+# Antmicro's custom runner (antmicro/runner).
+
+name: MWE custom vs default runner
+
+on:
+  push:
+  pull_request:
+
+jobs:
+
+
+# Supported on both actions/runner and antmicro/runner
+
+  # Non-local Composite Actions
+
+  Composite-Custom:
+    container: ubuntu:bionic
+    runs-on:
+      - self-hosted
+      - Linux
+      - X64
+
+    env:
+      MAX_CORES: 80
+      GHA_EXTERNAL_DISK: "tools"
+      GHA_SA: "gh-sa-f4pga-arch-defs-ci"
+
+    steps:
+
+      - uses: antmicro/f4pga-arch-defs/composite@umarcor/runner/mwes
+
+  Composite-Default:
+    runs-on: ubuntu-latest
+
+    steps:
+
+      - uses: antmicro/f4pga-arch-defs/composite@umarcor/runner/mwes
+
+
+# Supported on actions/runner but not on antmicro/runner
+
+  # Local Composite Actions
+
+  CompositeLocal-Custom:
+    container: ubuntu:bionic
+    runs-on:
+      - self-hosted
+      - Linux
+      - X64
+
+    env:
+      MAX_CORES: 80
+      GHA_EXTERNAL_DISK: "tools"
+      GHA_SA: "gh-sa-f4pga-arch-defs-ci"
+
+    steps:
+
+      - uses: actions/checkout@v3
+      - uses: ./composite
+
+  CompositeLocal-Default:
+    runs-on: ubuntu-latest
+
+    steps:
+
+      - uses: actions/checkout@v3
+      - uses: ./composite
+
+  # Action actions/setup-python
+
+  SetupPython-Custom:
+    container: ubuntu:bionic
+    runs-on:
+      - self-hosted
+      - Linux
+      - X64
+
+    env:
+      MAX_CORES: 80
+      GHA_EXTERNAL_DISK: "tools"
+      GHA_SA: "gh-sa-f4pga-arch-defs-ci"
+
+    steps:
+
+      - name: '🐍 Setup Python'
+        uses: actions/setup-python@v2
+        with:
+          python-version: '3.10'
+
+  SetupPython-Default:
+    runs-on: ubuntu-latest
+
+    steps:
+
+      - name: '🐍 Setup Python'
+        uses: actions/setup-python@v2
+        with:
+          python-version: '3.10'
+
+  # Docker steps
+
+  DockerStep-Custom:
+    container: ubuntu:bionic
+    runs-on:
+      - self-hosted
+      - Linux
+      - X64
+
+    env:
+      MAX_CORES: 80
+      GHA_EXTERNAL_DISK: "tools"
+      GHA_SA: "gh-sa-f4pga-arch-defs-ci"
+
+    steps:
+
+      - uses: docker://debian:bullseye-slim
+        with:
+          args: echo 'Hello world!'
+
+  DockerStep-Default:
+    runs-on: ubuntu-latest
+
+    steps:
+
+      - uses: docker://debian:bullseye-slim
+        with:
+          args: echo 'Hello world!'
+
+  # Execute `docker` commands
+
+  DockerManual-Custom:
+    container: ubuntu:bionic
+    runs-on:
+      - self-hosted
+      - Linux
+      - X64
+
+    env:
+      MAX_CORES: 80
+      GHA_EXTERNAL_DISK: "tools"
+      GHA_SA: "gh-sa-f4pga-arch-defs-ci"
+
+    steps:
+
+      - run: docker pull debian:bullseye-slim
+
+  DockerManual-Default:
+    runs-on: ubuntu-latest
+
+    steps:
+
+      - run: docker pull debian:bullseye-slim
+
+
+
+
+
diff --git a/composite/action.yml b/composite/action.yml
new file mode 100644
index 0000000000..5925746203
--- /dev/null
+++ b/composite/action.yml
@@ -0,0 +1,8 @@
+name: 'Composite Action'
+description: 'For testing purposes'
+runs:
+  using: 'composite'
+  steps:
+
+  - shell: bash
+    run: '''${{ github.action_path }}/script.sh'''
diff --git a/composite/script.sh b/composite/script.sh
new file mode 100755
index 0000000000..2f1a918b7a
--- /dev/null
+++ b/composite/script.sh
@@ -0,0 +1,3 @@
+#!/usr/bin/env bash
+
+echo "Hello world!"