diff --git a/.github/workflows/copilot-setup-steps.yml b/.github/workflows/copilot-setup-steps.yml
index c6e33020d..c835da981 100644
--- a/.github/workflows/copilot-setup-steps.yml
+++ b/.github/workflows/copilot-setup-steps.yml
@@ -10,23 +10,38 @@ jobs:
     - name: Checkout repository
       uses: actions/checkout@v4
 
+    - name: Log disk space (after checkout)
+      uses: ./.github/workflows/log-disk-space
+
     - name: Setup .NET
       uses: actions/setup-dotnet@v4
       with:
         dotnet-version: '9.x'
 
+    - name: Log disk space (after .NET setup)
+      uses: ./.github/workflows/log-disk-space
+
     - name: Install Android workload
       run: dotnet workload install android
 
+    - name: Log disk space (after Android workload)
+      uses: ./.github/workflows/log-disk-space
+
     - name: Setup OpenJDK 21
       uses: actions/setup-java@v4
       with:
         distribution: 'microsoft'
         java-version: '21'
 
+    - name: Log disk space (after Java setup)
+      uses: ./.github/workflows/log-disk-space
+
     - name: Restore dotnet tools
       run: dotnet tool restore
 
+    - name: Log disk space (after dotnet tools restore)
+      uses: ./.github/workflows/log-disk-space
+
     # Cache the externals directory based on config.json content
     # This caches the Maven artifacts downloaded by the binderator tool
     # to avoid re-downloading the same artifacts on subsequent runs
@@ -37,10 +52,16 @@ jobs:
         path: ./externals
         key: externals-${{ hashFiles('config.json') }}
 
+    - name: Log disk space (after externals cache restore)
+      uses: ./.github/workflows/log-disk-space
+
     - name: Run dotnet cake
       run: dotnet cake
       continue-on-error: true
 
+    - name: Log disk space (after dotnet cake)
+      uses: ./.github/workflows/log-disk-space
+
     # Save the externals cache after dotnet cake runs
     # This ensures the cache reflects the original config.json state
     # before any potential modifications by the build process
diff --git a/.github/workflows/log-disk-space/action.yml b/.github/workflows/log-disk-space/action.yml
new file mode 100644
index 000000000..d5217c348
--- /dev/null
+++ b/.github/workflows/log-disk-space/action.yml
@@ -0,0 +1,19 @@
+name: Log Disk Space
+description: Logs disk space usage on the runner
+runs:
+  using: composite
+  steps:
+  - name: Log disk space
+    shell: bash
+    run: |
+      echo "=== Disk Space Usage ==="
+      df -h
+      echo ""
+      echo "=== Disk Usage by Directory (/) ==="
+      du -h -d 1 / 2>/dev/null | sort -hr | head -20 || true
+      echo ""
+      echo "=== Disk Usage in Current Directory ==="
+      du -h -d 1 . 2>/dev/null | sort -hr | head -20 || true
+      echo ""
+      echo "=== Disk Usage Summary ==="
+      df -h / | tail -1 | awk '{print "Used: " $3 " / " $2 " (" $5 " full)"}'