diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..6ed44a6
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,49 @@
+[project]
+name = "devtoolbelt"
+version = "1.0.0"
+description = "A unified CLI toolkit for developers"
+readme = "README.md"
+requires-python = ">=3.8"
+classifiers = [
+    "Development Status :: 4 - Beta",
+    "Intended Audience :: Developers",
+    "License :: OSI Approved :: MIT License",
+    "Programming Language :: Python :: 3",
+    "Programming Language :: Python :: 3.8",
+    "Programming Language :: Python :: 3.9",
+    "Programming Language :: Python :: 3.10",
+    "Programming Language :: Python :: 3.11",
+    "Programming Language :: Python :: 3.12",
+]
+dependencies = [
+    "click>=8.0.0",
+    "requests>=2.31.0",
+    "rich>=13.0.0",
+    "psycopg2-binary>=2.9.0",
+    "pymysql>=1.1.0",
+    "sqlalchemy>=2.0.0",
+    "pyyaml>=6.0.0",
+]
+
+[project.optional-dependencies]
+dev = [
+    "pytest>=7.0.0",
+    "pytest-cov>=4.0.0",
+    "black>=23.0.0",
+    "ruff>=0.1.0",
+]
+
+[project.scripts]
+devtoolbelt = "devtoolbelt.cli:main"
+
+[tool.pytest.ini_options]
+testpaths = ["tests"]
+python_files = ["test_*.py"]
+python_functions = ["test_*"]
+
+[tool.ruff]
+target-version = "py38"
+line-length = 88
+
+[tool.black]
+target-version = ["py38", "py39", "py310", "py311", "py312"]