diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..905d8ca
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,61 @@
+[build-system]
+requires = ["setuptools>=61.0", "wheel"]
+build-backend = "setuptools.build_meta"
+
+[project]
+name = "testdatagen"
+version = "0.1.0"
+description = "A CLI tool that generates realistic test data from JSON Schema, TypeScript types, or sample data files"
+readme = "README.md"
+requires-python = ">=3.10"
+license = {text = "MIT"}
+authors = [
+    {name = "TestDataGen Team"}
+]
+keywords = ["cli", "test-data", "faker", "json-schema", "generator"]
+classifiers = [
+    "Development Status :: 4 - Beta",
+    "Intended Audience :: Developers",
+    "License :: OSI Approved :: MIT License",
+    "Programming Language :: Python :: 3",
+    "Programming Language :: Python :: 3.10",
+    "Programming Language :: Python :: 3.11",
+    "Programming Language :: Python :: 3.12",
+]
+
+dependencies = [
+    "click>=8.0",
+    "faker>=20.0",
+    "jsonschema>=4.0",
+    "pydantic>=2.0",
+]
+
+[project.optional-dependencies]
+dev = [
+    "pytest>=7.0",
+    "pytest-cov>=4.0",
+    "ruff>=0.1.0",
+]
+
+[project.scripts]
+testdatagen = "testdatagen.cli:main"
+
+[tool.setuptools.packages.find]
+where = ["src"]
+
+[tool.ruff]
+line-length = 100
+target-version = "py310"
+
+[tool.ruff.lint]
+select = ["E", "F", "W", "I"]
+
+[tool.pytest.ini_options]
+testpaths = ["tests"]
+python_files = ["test_*.py"]
+python_functions = ["test_*"]
+addopts = "-v --cov=testdatagen --cov-report=term-missing"
+
+[tool.testdatagen]
+default-seed = 42
+default-count = 10
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