diff --git a/.github/workflows/main.yaml b/.github/workflows/main.yaml
index a0d4b99..3b7bf7c 100644
--- a/.github/workflows/main.yaml
+++ b/.github/workflows/main.yaml
@@ -10,4 +10,4 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Markdown Accessibility
-        uses: sam9111/markdown-accessibility-helper@main
+        uses: sam9111/markdown-accessibility-helper@test-lint
diff --git a/action.yaml b/action.yaml
index c916468..59e234f 100644
--- a/action.yaml
+++ b/action.yaml
@@ -5,11 +5,6 @@ branding:
   color: purple
 
 inputs:
-  token:
-    description: "GitHub token"
-    required: true
-    default: ${{ github.token }}
-
   azure_key:
     description: "Azure Computer Vision API key"
     required: false
@@ -25,15 +20,37 @@ inputs:
 runs:
   using: "composite"
   steps:
+    - name: Checkout
+      uses: actions/checkout@v3
+
     - name: Install Python
       uses: actions/setup-python@v2
 
+    - name: Check Alt Text
+      id: alt_text_checker
+      run: |
+        python ${{ github.action_path }}/alt_text_checker.py ${{ github.workspace }}
+      shell: bash
+
     - name: Install dependencies
+      if: steps.alt_text_checker.outputs.result == 'true'
       run: |
         pip install -r ${{ github.action_path }}/requirements.txt
       shell: bash
 
     - name: Suggest Alt Text
+      if: steps.alt_text_checker.outputs.result == 'true'
       run: |
-        python ${{ github.action_path }}/alt_text.py ${{inputs.token}} ${{inputs.azure_key}} ${{inputs.azure_endpoint}} ${{inputs.language}}
+        python ${{ github.action_path }}/alt_text.py ${{ github.workspace }} ${{inputs.azure_key}} ${{inputs.azure_endpoint}} ${{inputs.language}}
+        git config user.name github-actions
+        git config user.email github-actions@github.com
+        git add .
+        git commit -m "Suggest alt text for images"
+        git push
       shell: bash
+
+    - uses: DavidAnson/markdownlint-cli2-action@v10
+      continue-on-error: true
+      with:
+        command: fix
+        globs: "**/*.md"
diff --git a/alt_text.py b/alt_text.py
index 7ea47f8..f3adebf 100644
--- a/alt_text.py
+++ b/alt_text.py
@@ -44,7 +44,7 @@ def suggest_alt_text(image_url, azure_subscription_key, azure_endpoint, language
 # Update all markdown files with the suggested alt text if no alt text is provided
 
 
-def update_markdown_file(file_path, azure_subscription_key, azure_endpoint):
+def update_markdown_file(file_path, azure_subscription_key, azure_endpoint, language):
     with open(file_path, 'r') as f:
         content = f.read()
 
@@ -107,31 +107,11 @@ def update_markdown_file(file_path, azure_subscription_key, azure_endpoint):
         azure_subscription_key = None
         azure_endpoint = None
 
-    repo = os.environ['GITHUB_REPOSITORY']
-    repo_name = repo.split('/')[1]
-    clone_url = f'https://github.com/{repo}.git'
+    repo_path = sys.argv[1]
 
-    branch = "main"
-
-    if os.environ['GITHUB_HEAD_REF']:
-        branch = os.environ['GITHUB_HEAD_REF']
-
-    os.system(f"git clone --depth=1 --branch={branch} {clone_url} repo")
-    os.chdir('repo')
-
-    for filename in os.listdir('.'):
-        if filename.endswith('.md'):
-            update_markdown_file(
-                filename, azure_subscription_key, azure_endpoint)
-            os.system(f"git add {filename}")
-
-    # Commit and push
-
-    github_username = os.environ['GITHUB_ACTOR']
-    os.system(
-        f'git config --global user.email "{github_username}@users.noreply.github.com"')
-    os.system(f'git config --global user.name "{github_username}"')
-    os.system('git commit -m "Suggest alt text for inline images"')
-    token = sys.argv[1]
-    os.system(
-        f"git push {clone_url.replace('https://',f'https://{github_username}:{token}@')} {branch}")
+    for root, dirs, files in os.walk(repo_path):
+        for filename in files:
+            if filename.endswith('.md'):
+                file_path = os.path.join(root, filename)
+                update_markdown_file(
+                    file_path, azure_subscription_key, azure_endpoint, language)
diff --git a/alt_text_checker.py b/alt_text_checker.py
new file mode 100644
index 0000000..6b3f8d4
--- /dev/null
+++ b/alt_text_checker.py
@@ -0,0 +1,53 @@
+import os
+import re
+import sys
+
+
+def has_image_without_alt(file_path):
+    with open(file_path, 'r') as f:
+        content = f.read()
+
+        # Match all markdown images with empty alt text
+        matches = re.findall(r'\!\[(.*?)\]\((.*?)\)(?!\(|\w)', content)
+        for match in matches:
+            alt_text = match[0]
+            if not alt_text:
+                return True
+
+        # Match all img tags with empty alt attribute
+        pattern = re.compile(r'<img.*?>', re.S)
+        result = pattern.findall(content)
+
+        for i in result:
+            alt = re.findall(r'alt="(.*?)"', i)
+            if not alt:
+                return True
+
+    return False
+
+
+if __name__ == '__main__':
+
+    repo_path = sys.argv[1]
+
+    md_files_without_alt = []
+
+    for root, dirs, files in os.walk(repo_path):
+        for filename in files:
+            if filename.endswith('.md'):
+                file_path = os.path.join(root, filename)
+                if has_image_without_alt(file_path):
+                    md_files_without_alt.append(file_path)
+
+    if md_files_without_alt:
+        print("The following Markdown files contain images without alt text:")
+        for file_path in md_files_without_alt:
+            print(file_path)
+
+        result = 'true'
+    else:
+        print("All Markdown files have alt text for their images.")
+        result = 'false'
+
+    with open(os.environ['GITHUB_OUTPUT'], 'w') as output_file:
+        output_file.write(f'result={result}\n')