diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..b2f8598
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,63 @@
+[project]
+name = "project-context-generator"
+version = "0.1.0"
+description = "A CLI tool that analyzes codebases and generates comprehensive context files for AI coding assistants"
+readme = "README.md"
+requires-python = ">=3.9"
+license = {text = "MIT"}
+authors = [
+    {name = "Project Context Generator Contributors"}
+]
+keywords = ["cli", "code-analysis", "ai", "context", "documentation"]
+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>=8.1",
+    "pyyaml>=6.0",
+    "jinja2>=3.1",
+]
+
+[project.optional-dependencies]
+dev = [
+    "pytest>=7.0",
+    "pytest-cov>=4.0",
+    "black>=23.0",
+    "ruff>=0.1.0",
+]
+
+[project.scripts]
+contextgen = "contextgen.cli:main"
+
+[build-system]
+requires = ["setuptools>=61.0"]
+build-backend = "setuptools.build_meta"
+
+[tool.pytest.ini_options]
+testpaths = ["tests"]
+python_files = ["test_*.py"]
+python_functions = ["test_*"]
+norecursedirs = ["fixtures"]
+
+[tool.coverage.run]
+source = ["src/contextgen"]
+omit = ["tests/*"]
+
+[tool.coverage.report]
+exclude_lines = ["pragma: no cover", "def __repr__", "raise NotImplementedError"]
+
+[tool.black]
+line-length = 100
+target-version = ["py39"]
+
+[tool.ruff]
+line-length = 100
+target-version = "py39"