diff --git a/.github/workflows/main-tests.yml b/.github/workflows/main-tests.yml
new file mode 100644
index 00000000..8153e219
--- /dev/null
+++ b/.github/workflows/main-tests.yml
@@ -0,0 +1,67 @@
+name: Main Tests
+
+on:
+  push:
+    branches: [ "master" ]
+  pull_request:
+    branches: [ "master" ]
+
+jobs:
+  test-commits:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.11'
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install -r requirements.txt
+
+      - name: Create test list file
+        run: echo "isaacs/github" > test_list.txt
+
+      - name: Run main.py and save output (commits)
+        run: python main.py --commits -l test_list.txt -o output_commits.csv -t ${{ secrets.GITHUB_TOKEN }}
+      - name: Compare output with reference CSV (commits)
+        run: |
+          if [ ! -f output_commits.csv ]; then
+            echo 'output_commits.csv not found, skipping compare.'
+            exit 1
+          fi
+          python compare_csv.py output_commits.csv .github/workflows/reference_commits.csv
+
+      - name: Run main.py and save output (contributors)
+        run: python main.py --contributors -l test_list.txt -o output_contributors.csv -t ${{ secrets.GITHUB_TOKEN }}
+      - name: Compare output with reference CSV (contributors)
+        run: |
+          if [ ! -f output_contributors.csv ]; then
+            echo 'output_contributors.csv not found, skipping compare.'
+            exit 1
+          fi
+          python compare_csv.py output_contributors.csv .github/workflows/reference_contributors.csv
+
+      - name: Run main.py and save output (issues)
+        run: python main.py --issues -l test_list.txt -o output_issues.csv -t ${{ secrets.GITHUB_TOKEN }}
+      - name: Compare output with reference CSV (issues)
+        run: |
+          if [ ! -f output_issues.csv ]; then
+            echo 'output_issues.csv not found, skipping compare.'
+            exit 1
+          fi
+          python compare_csv.py output_issues.csv .github/workflows/reference_issues.csv
+
+      - name: Run main.py and save output (pulls)
+        run: python main.py -p -l test_list.txt -o output_pulls.csv -t ${{ secrets.GITHUB_TOKEN }}
+      - name: Compare output with reference CSV (pulls)
+        run: |
+          if [ ! -f output_pulls.csv ]; then
+            echo 'output_pulls.csv not found, skipping compare.'
+            exit 1
+          fi
+          python compare_csv.py output_pulls.csv .github/workflows/reference_pulls.csv
+
diff --git a/compare_csv.py b/compare_csv.py
new file mode 100644
index 00000000..c999f222
--- /dev/null
+++ b/compare_csv.py
@@ -0,0 +1,43 @@
+import csv
+import sys
+
+
+def compare_csv_files(actual_path, expected_path):
+    with open(actual_path, newline='', encoding='utf-8') as actual_file, \
+         open(expected_path, newline='', encoding='utf-8') as expected_file:
+        actual_reader = csv.DictReader(actual_file)
+        expected_reader = csv.DictReader(expected_file)
+
+        actual_rows = list(actual_reader)
+        expected_rows = list(expected_reader)
+
+        common_fields = set(actual_reader.fieldnames) & set(expected_reader.fieldnames)
+        if not common_fields:
+            print('Нет общих столбцов для сравнения!')
+            sys.exit(1)
+
+        def rows_to_set(rows):
+            return set(tuple(row[field] for field in sorted(common_fields)) for row in rows)
+
+        actual_set = rows_to_set(actual_rows)
+        expected_set = rows_to_set(expected_rows)
+
+        if actual_set != expected_set:
+            print('Файлы отличаются по общим столбцам:')
+            print('Только в output.csv:')
+            for row in actual_set - expected_set:
+                print(row)
+            print('Только в reference.csv:')
+            for row in expected_set - actual_set:
+                print(row)
+            sys.exit(1)
+        else:
+            print('Файлы совпадают по общим столбцам.')
+
+
+if __name__ == "__main__":
+    if len(sys.argv) != 3:
+        print(f"Usage: python {sys.argv[0]} <actual_csv> <expected_csv>")
+        sys.exit(1)
+    compare_csv_files(sys.argv[1], sys.argv[2])
+