diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..62ee1cf
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,71 @@
+[build-system]
+requires = ["setuptools>=61.0", "wheel"]
+build-backend = "setuptools.build_meta"
+
+[project]
+name = "git-commit-ai"
+version = "0.1.0"
+description = "A privacy-first CLI tool that generates intelligent Git commit message suggestions using local LLM (Ollama)"
+readme = "README.md"
+requires-python = ">=3.9"
+license = {text = "MIT"}
+authors = [
+    {name = "Git Commit AI Contributors"}
+]
+keywords = ["git", "commit", "ai", "ollama", "cli", "conventional-commits"]
+classifiers = [
+    "Development Status :: 4 - Beta",
+    "Intended Audience :: Developers",
+    "License :: OSI Approved :: MIT License",
+    "Programming Language :: Python :: 3",
+    "Programming Language :: Python :: 3.9",
+    "Programming Language :: Python :: 3.10",
+    "Programming Language :: Python :: 3.11",
+    "Programming Language :: Python :: 3.12",
+]
+dependencies = [
+    "click>=8.0",
+    "ollama>=0.1",
+    "gitpython>=3.1",
+    "pyyaml>=6.0",
+    "requests>=2.31",
+]
+
+[project.optional-dependencies]
+dev = [
+    "pytest>=7.0",
+    "pytest-cov>=4.0",
+    "black>=23.0",
+    "ruff>=0.1.0",
+]
+
+[project.scripts]
+git-commit-ai = "git_commit_ai.cli.cli:main"
+
+[tool.setuptools.packages.find]
+where = ["."]
+include = ["git_commit_ai*"]
+
+[tool.pytest.ini_options]
+testpaths = ["git_commit_ai/tests"]
+python_files = ["test_*.py"]
+python_functions = ["test_*"]
+addopts = "-v --tb=short"
+
+[tool.coverage.run]
+source = ["git_commit_ai"]
+omit = ["git_commit_ai/tests/*"]
+
+[tool.coverage.report]
+exclude_lines = ["pragma: no cover", "def __repr__", "raise AssertionError", "raise NotImplementedError"]
+
+[tool.black]
+line-length = 100
+target-version = ['py39']
+include = '\.pyi?$'
+
+[tool.ruff]
+line-length = 100
+target-version = "py39"
+select = ["E", "F", "W", "I", "B", "C4", "UP", "ARG", "SIM"]
+ignore = ["E501", "B008", "C901"]