diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..a4c2da3
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,61 @@
+[build-system]
+requires = ["setuptools>=61.0", "wheel"]
+build-backend = "setuptools.build_meta"
+
+[project]
+name = "dev-env-sync"
+version = "0.1.0"
+description = "A declarative YAML-based CLI tool to manage, sync, and automate developer environment setup"
+readme = "README.md"
+license = {text = "MIT"}
+requires-python = ">=3.8"
+authors = [
+    {name = "Dev Env Sync Contributors"}
+]
+keywords = ["developer", "environment", "sync", "dotfiles", "cli", "automation"]
+classifiers = [
+    "Development Status :: 4 - Beta",
+    "Environment :: Console",
+    "Intended Audience :: Developers",
+    "License :: OSI Approved :: MIT License",
+    "Operating System :: POSIX :: Linux",
+    "Operating System :: POSIX :: macOS",
+    "Operating System :: Microsoft :: Windows :: WSL",
+    "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",
+    "PyYAML>=6.0",
+]
+
+[project.optional-dependencies]
+dev = [
+    "pytest>=7.0",
+    "pytest-cov>=4.0",
+    "black>=23.0",
+    "ruff>=0.1.0",
+]
+
+[project.scripts]
+dev-env-sync = "dev_env_sync.cli.main:main"
+
+[tool.setuptools.packages.find]
+where = ["."]
+
+[tool.pytest.ini_options]
+testpaths = ["tests"]
+python_files = ["test_*.py"]
+python_functions = ["test_*"]
+addopts = "-v --tb=short"
+
+[tool.coverage.run]
+source = ["dev_env_sync"]
+omit = ["tests/*"]
+
+[tool.coverage.report]
+exclude_lines = ["pragma: no cover", "def __repr__", "raise NotImplementedError"]