diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9863707..b252ff5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,9 @@
+## [0.3.0-rc.1](https://github.com/disafronov/python-logging-objects-with-schema/compare/v0.2.0...v0.3.0-rc.1) (2025-12-09)
+
+### Features
+
+* add type annotations and mypy support ([d907b1e](https://github.com/disafronov/python-logging-objects-with-schema/commit/d907b1e71c42efc0e54843877d4233d7e88d5f56))
+
 ## [0.2.0](https://github.com/disafronov/python-logging-objects-with-schema/compare/v0.1.4...v0.2.0) (2025-12-09)
 
 ### Features
diff --git a/pyproject.toml b/pyproject.toml
index 485997c..4ab6a91 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "uv_build"
 
 [project]
 name = "logging-objects-with-schema"
-version = "0.2.0"
+version = "0.3.0rc1"
 description = "Proxy logging wrapper that validates extra fields against a JSON schema."
 readme = "README.md"
 requires-python = ">=3.10"
@@ -27,7 +27,8 @@ classifiers = [
   "Programming Language :: Python :: 3.14",
   "Programming Language :: Python :: 3 :: Only",
   "Intended Audience :: Developers",
-  "Topic :: System :: Logging"
+  "Topic :: System :: Logging",
+  "Typing :: Typed"
 ]
 
   [[project.authors]]
@@ -93,8 +94,7 @@ warn_unreachable = true
 strict_equality = true
 
 [tool.bandit]
-skips = [ "B101", "B601" ]
-exclude_dirs = [ ".venv", "__pycache__", ".git", "htmlcov" ]
+exclude_dirs = [ ".venv", "__pycache__", ".git", "htmlcov", "tests" ]
 
 [tool.coverage.run]
 source = [ "src" ]
diff --git a/src/logging_objects_with_schema/py.typed b/src/logging_objects_with_schema/py.typed
new file mode 100644
index 0000000..e69de29
diff --git a/src/logging_objects_with_schema/schema_applier.py b/src/logging_objects_with_schema/schema_applier.py
index 2f30e86..74ff80b 100644
--- a/src/logging_objects_with_schema/schema_applier.py
+++ b/src/logging_objects_with_schema/schema_applier.py
@@ -42,7 +42,7 @@ def _create_validation_error_json(field: str, error: str, value: Any) -> str:
 
 
 def _validate_list_value(
-    value: list,
+    value: list[Any],
     source: str,
     item_expected_type: type | None,
 ) -> _DataProblem | None:
diff --git a/tests/test_mypy_support.py b/tests/test_mypy_support.py
new file mode 100644
index 0000000..d342088
--- /dev/null
+++ b/tests/test_mypy_support.py
@@ -0,0 +1,107 @@
+"""Tests for mypy type checking support."""
+
+from __future__ import annotations
+
+import subprocess
+import sys
+from pathlib import Path
+
+import pytest
+
+from logging_objects_with_schema import SchemaLogger
+from tests.helpers import _write_schema
+
+
+def test_py_typed_file_exists() -> None:
+    """Verify that py.typed marker file exists in the package."""
+    package_dir = Path(__file__).parent.parent / "src" / "logging_objects_with_schema"
+    py_typed = package_dir / "py.typed"
+
+    assert py_typed.exists(), "py.typed marker file must exist for mypy support"
+
+
+def test_mypy_type_checking() -> None:
+    """Verify that mypy can type-check the package without errors."""
+    package_dir = Path(__file__).parent.parent / "src" / "logging_objects_with_schema"
+
+    # Run mypy on the package directory
+    result = subprocess.run(
+        [
+            sys.executable,
+            "-m",
+            "mypy",
+            str(package_dir),
+            "--no-error-summary",
+        ],
+        capture_output=True,
+        text=True,
+        cwd=Path(__file__).parent.parent,
+    )
+
+    assert (
+        result.returncode == 0
+    ), f"mypy found type errors:\n{result.stdout}\n{result.stderr}"
+
+
+def test_mypy_strict_type_checking() -> None:
+    """Verify that mypy can type-check the package in strict mode without errors."""
+    package_dir = Path(__file__).parent.parent / "src" / "logging_objects_with_schema"
+
+    # Run mypy in strict mode on the package directory
+    result = subprocess.run(
+        [
+            sys.executable,
+            "-m",
+            "mypy",
+            str(package_dir),
+            "--strict",
+            "--no-error-summary",
+        ],
+        capture_output=True,
+        text=True,
+        cwd=Path(__file__).parent.parent,
+    )
+
+    assert (
+        result.returncode == 0
+    ), f"mypy found type errors in strict mode:\n{result.stdout}\n{result.stderr}"
+
+
+def test_schema_logger_type_annotations(
+    tmp_path: Path,
+    monkeypatch: pytest.MonkeyPatch,
+) -> None:
+    """Verify that SchemaLogger has correct type annotations for mypy."""
+    # This test verifies that type annotations are correct by using them
+    # If mypy is run on this file, it should not find any errors
+
+    monkeypatch.chdir(tmp_path)
+    _write_schema(tmp_path, {"ServicePayload": {}})
+
+    # Test that SchemaLogger can be typed correctly
+    logger: SchemaLogger = SchemaLogger("test-logger", forbidden_keys=None)
+
+    # Test that __init__ signature accepts correct types
+    logger2: SchemaLogger = SchemaLogger(
+        name="test-logger-2",
+        level=10,
+        forbidden_keys={"key1", "key2"},
+    )
+
+    # Test that SchemaLogger is compatible with logging.Logger
+    import logging
+
+    def accept_logger(logger: logging.Logger) -> logging.Logger:
+        return logger
+
+    # This should work without type errors
+    result: logging.Logger = accept_logger(logger)
+    assert isinstance(result, SchemaLogger)
+
+    # Test that logger methods are accessible and typed
+    logger.info("test message")
+    logger.debug("debug message", extra={"key": "value"})
+    logger.warning("warning message")
+
+    # Verify logger2 was created successfully (test __init__ signature)
+    assert logger2.name == "test-logger-2"
diff --git a/uv.lock b/uv.lock
index 316b18b..9d108cf 100644
--- a/uv.lock
+++ b/uv.lock
@@ -1394,7 +1394,7 @@ version = "0.6.3"
 
 [[package]]
 name = "logging-objects-with-schema"
-version = "0.2.0"
+version = "0.3.0rc1"
 
   [package.source]
   editable = "."