diff --git a/.github/workflows/test-copilot.yml b/.github/workflows/test-copilot.yml
index e3e0cc8..be93636 100644
--- a/.github/workflows/test-copilot.yml
+++ b/.github/workflows/test-copilot.yml
@@ -6,8 +6,10 @@ jobs:
   copilot:
     runs-on: ubuntu-latest
     steps:
-      - uses: austenstone/copilot-cli@main
+      - uses: actions/checkout@v5
+      - uses: ./
         with:
+          github-token: ${{ secrets.PAT }} # Eventually remove for GITHUB_TOKEN?
           mcp-config: |
             {
               "mcpServers": {
diff --git a/action.yml b/action.yml
index f27bcb3..f097f7e 100644
--- a/action.yml
+++ b/action.yml
@@ -75,11 +75,7 @@ inputs:
   upload-artifact:
     description: 'Upload artifact after running Copilot'
     required: false
-    default: true
-  cache-cli:
-    description: 'Enable caching for npm packages'
-    required: false
-    default: 'false'
+    default: 'true'
   github-mcp-toolsets:
     description: 'Specify GitHub MCP toolsets to enable (e.g., "repos,issues,pull_requests,actions,code_security")'
     required: false
@@ -94,30 +90,18 @@ outputs:
 runs:
   using: 'composite'
   steps:
-    - name: Configure Git credentials
-      run: |
-        git config --global user.email "github-actions[bot]@users.noreply.github.com"
-        git config --global user.name "${{ github.workflow }}"
-      shell: bash
     - uses: actions/setup-node@v4
+      id: setup-node
       with:
         node-version: '22'
-    - name: Cache Copilot CLI
-      uses: actions/cache@v4
-      if: ${{ inputs.cache-cli == 'true' }}
-      with:
-        path: ~/.npm
-        key: ${{ runner.os }}-copilot-cli-${{ inputs.copilot-version }}
-        restore-keys: |
-          ${{ runner.os }}-copilot-cli-
+    - run: |
+        git config --global user.email "github-actions[bot]@users.noreply.github.com"
+        git config --global user.name "${{ github.workflow }}"
+      shell: bash
     - name: Install GitHub Copilot CLI
       run: |
         echo "::group::Installing GitHub Copilot CLI"
-        if [ "$COPILOT_VERSION" = "latest" ]; then
-          npm install -g @github/copilot
-        else
-          npm install -g @github/copilot@$COPILOT_VERSION
-        fi
+        npm install -g @github/copilot@$COPILOT_VERSION
         copilot --version || echo "Warning: Could not get copilot version"
         echo "::endgroup::"
       shell: bash
@@ -167,6 +151,12 @@ runs:
 
         set +e  # Don't exit on error
         
+        # Normalize boolean inputs to lowercase
+        ALLOW_ALL_TOOLS=$(echo "$ALLOW_ALL_TOOLS" | tr '[:upper:]' '[:lower:]')
+        NO_COLOR=$(echo "$NO_COLOR" | tr '[:upper:]' '[:lower:]')
+        SCREEN_READER=$(echo "$SCREEN_READER" | tr '[:upper:]' '[:lower:]')
+        SHOW_BANNER=$(echo "$SHOW_BANNER" | tr '[:upper:]' '[:lower:]')
+        
         # Build args array for safer execution with multi-line prompts
         COPILOT_ARGS=(-p "$PROMPT")
 
@@ -247,6 +237,7 @@ runs:
         # Set outputs
         echo "logs_path=$HOME/.copilot/logs" >> $GITHUB_OUTPUT
         echo "exit_code=$EXIT_CODE" >> $GITHUB_OUTPUT
+        exit $EXIT_CODE
       env:
         GH_TOKEN: ${{ inputs.github-token }}
         PROMPT: ${{ inputs.prompt }}