diff --git a/README.md b/README.md
index 583efdb..460ff3e 100644
--- a/README.md
+++ b/README.md
@@ -1 +1,3 @@
-# clazy-standalone-action
+# clazy-action
+
+A GitHub Action to run clazy.
diff --git a/action.yml b/action.yml
index 88b6116..8ba7cba 100644
--- a/action.yml
+++ b/action.yml
@@ -1,14 +1,15 @@
 name: 'Clazy action'
-description: 'GitHub Action for use clazy-standalone in Qt Projects'
+description: 'GitHub Action for use clazy in Qt Projects'
 inputs:
   version:
     description: 'Clazy version'
     required: true
     default: '1.11'
-  extensions:
-      description: Extensions.
-      required: false
-      default: "cpp,cxx,cc,h,hpp"
+  path-regex:
+    description: |
+      Regular expression matching the names of the source files to output diagnostics from.
+    required: false
+    default: ''
   checks:
     description: |
       Comma-separated list of clazy checks. Default is level1.
@@ -35,23 +36,12 @@ inputs:
       In this case, the version field is ignored.
     required: false
     default: false
-  ignore-headers:
-    description: |
-      Ignore thirdparty headers.
-    required: false
-    default: true
   header-filter:
     description: |
       Regular expression matching the names of the headers to output diagnostics from.
       Diagnostics from the main file of each translation unit are always displayed.
     required: false
     default: ''
-  ignore-dirs:
-    description: |
-      Regular expression matching the names of the
-      directories for which diagnostics should never be emitted. Useful for ignoring 3rdparty code.
-    required: false
-    default: ''
   only-qt:
     description: |
       Won't emit warnings for non-Qt files, or in other words, if -DQT_CORE_LIB is missing.
@@ -62,11 +52,6 @@ inputs:
       Turns off checks not compatible with Qt 4
     required: false
     default: false
-  supported-checks-json:
-    description: |
-      Dump meta information about supported checks in JSON format.
-    required: false
-    default: false
   visit-implicit-code:
     description: |
       For visiting implicit code like compiler generated constructors. None of the built-in checks benefit from this, but can be useful for custom checks
@@ -88,7 +73,7 @@ runs:
 
     - name: Cache files
       uses: actions/cache@v4
-      id: cache-clazy-standalone
+      id: cache-clazy
       with:
         path: ~/.local/clazy/
         key: ${{ runner.os }}-clazy-${{ inputs.version }}-${{ github.event.pull_request.number }}
@@ -97,9 +82,13 @@ runs:
       shell: bash
       run: |
         sudo apt-get update
-        sudo apt-get install -y --no-install-recommends \
-        libclang-dev \
-        llvm-dev
+        sudo apt-get install -y --no-install-recommends clang-tidy expect
+
+    - name: Install build dependencies
+      shell: bash
+      if: ${{ inputs.install-stable != 'true' }}
+      run: |
+        sudo apt-get install -y --no-install-recommends libclang-dev llvm-dev
 
     - name: Install clazy
       if: ${{ inputs.install-stable }} == 'true'
@@ -110,7 +99,7 @@ runs:
 
     - name:  Build clazy
       shell: bash
-      if: ${{ steps.cache-clazy-standalone.outputs.cache-hit != 'true' && inputs.install-stable != 'true' }}
+      if: ${{ steps.cache-clazy.outputs.cache-hit != 'true' && inputs.install-stable != 'true' }}
       run: |
         sudo apt-get update
         sudo apt-get install -y --no-install-recommends \
@@ -124,7 +113,7 @@ runs:
         && cmake --build . --target install && cd .. && rm -rf ./clazy-${{ inputs.version }}
 
     - name: Save clazy
-      if: ${{ steps.cache-clazy-standalone.outputs.cache-hit != 'true' && inputs.install-stable != 'true' }}
+      if: ${{ steps.cache-clazy.outputs.cache-hit != 'true' && inputs.install-stable != 'true' }}
       uses: actions/cache@v4
       with:
         path: ~/.local/clazy
@@ -137,17 +126,13 @@ runs:
         CHECKS: ${{ inputs.checks }}
         EXTRA_ARG: ${{ inputs.extra-arg }}
         EXTRA_ARG_BEFORE: ${{ inputs.extra-arg-before }}
-        DATABASE: "${{ inputs.database }}"
-        EXTENSIONS: ${{inputs.extensions }}
-        EXTRA_OPTIONS: ${{ inputs.extra-options }}
+        DATABASE: ${{ inputs.database }}
         HEADER_FILTER: ${{ inputs.header-filter }}
-        IGNORE_DIRS: ${{ inputs.ignore-dirs}}
+        PATH_REGEX: ${{ inputs.path-regex }}
         ONLY_QT: ${{ inputs.only-qt }}
         QT4_COMPAT: ${{ inputs.qt4-compat }}
-        SUPPORTED_CHECKS_JSON: ${{ inputs.supported-checks-json }}
         VISIT_IMPLICIT_CODE: ${{ inputs.visit-implicit-code }}
-        CLAZY_CHECKS_AS_ERRORS: ${{ inputs.warnings_as_errors }}
-        IGNORE_HEADERS : ${{ inputs.ignore-headers }}
+        WARNINGS_AS_ERRORS: ${{ inputs.warnings_as_errors }}
       run: |
         PATH=~/.local/clazy/bin:$PATH "$GITHUB_ACTION_PATH/clazy.sh"
 
diff --git a/clazy-unbuffer.sh b/clazy-unbuffer.sh
new file mode 100755
index 0000000..981b854
--- /dev/null
+++ b/clazy-unbuffer.sh
@@ -0,0 +1,2 @@
+#!/bin/bash
+exec unbuffer clazy-standalone $CLAZY_OPTIONS "$@"
diff --git a/clazy.sh b/clazy.sh
index d5c4ae2..9b8556f 100755
--- a/clazy.sh
+++ b/clazy.sh
@@ -1,50 +1,36 @@
 #!/bin/bash
 
-options=()
-extra_args=()
-extra_args_before=()
+clazy_options=()
 
-for pair in $EXTRA_ARG; do
-    extra_args+=( "--extra-arg=$pair" )
+for arg in $EXTRA_ARG; do
+    clazy_options+=( "-extra-arg=$arg" )
 done
-
-for pair in $EXTRA_ARG_BEFORE; do
-    extra_args_before+=( "--extra-arg-before=$pair" )
+for arg in $EXTRA_ARG_BEFORE; do
+    clazy_options+=( "-extra-arg-before=$arg" )
 done
 
-if [ "$ONLY_QT" == "true" ]; then
-    options+=( "--only-qt" )
+if [[ $ONLY_QT == "true" ]]; then
+    clazy_options+=( "--only-qt" )
 fi
-
-if [ "$QT4_COMPAT" == "true" ]; then
-    options+=( "--qt4-compat" )
+if [[ $QT4_COMPAT == "true" ]]; then
+    clazy_options+=( "--qt4-compat" )
 fi
-
-if [ "$SUPPORTED_CHECKS_JSON" == "true" ]; then
-    options+=( "--supported-checks-json" )
+if [[ $VISIT_IMPLICIT_CODE == "true" ]]; then
+    clazy_options+=( "--visit-implicit-code" )
 fi
 
-if [ "$VISIT_IMPLICIT_CODE" == "true" ]; then
-    options+=( "--visit-implicit-code" )
-fi
+args=(
+    -clang-tidy-binary "$GITHUB_ACTION_PATH/clazy-unbuffer.sh"
+    -checks="$CHECKS"
+    -warnings-as-errors="$WARNINGS_AS_ERRORS"
+    -p="$DATABASE"
+    -header-filter="$HEADER_FILTER"
+    --
+    "$PATH_REGEX"
+)
 
-if [ "$IGNORE_HEADERS" == "true" ] && [ -n "$DATABASE" ]; then
-    cp $DATABASE/compile_commands.json $DATABASE/compile_commands_backup.json
-    sed -i 's/-I\([^ ]*\)/-isystem\1/g' $DATABASE/compile_commands.json
-fi
-
-pattern='^(.*?):([0-9]+):([0-9]+): (.+): (.+) \[(.*)\]$'
-
-IFS=',' read -r -a extensions <<< "$EXTENSIONS"
-for ext in "${extensions[@]}"; do
-    while IFS= read -r -d '' file; do
-        files+=($(realpath "$file"))
-    done < <(find . -name "*.$ext" -print0)
-done
-
-output=$(clazy-standalone --checks="$CHECKS" -p="$DATABASE" \
-    --header-filter="$HEADER_FILTER" --ignore-dirs="$IGNORE_DIRS" \
-    "${options[@]}" "${extra_args[@]}" "${extra_args_before[@]}" "${files[@]}" 2>&1)
+exec 5>&1
+output=$(CLAZY_OPTIONS=${clazy_options[*]} run-clang-tidy "${args[@]}" 2>&1 | tee /dev/fd/5)
 
 warnings_file=$(mktemp)
 errors_file=$(mktemp)
@@ -56,6 +42,8 @@ echo 0 > "$errors_file"
 
 declare -A warnings_seen
 
+pattern='^(.*?):([0-9]+):([0-9]+): (.+): (.+) \[(.*)\]$'
+
 echo "$output" | grep -E "$pattern" | while IFS= read -r line; do
     if [[ $line =~ $pattern ]]; then
         relative_path="${BASH_REMATCH[1]}"