diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..04a52a0
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,59 @@
+[project]
+name = "patternforge"
+version = "0.1.0"
+description = "CLI tool that analyzes codebases to learn patterns and generates consistent boilerplate"
+readme = "README.md"
+requires-python = ">=3.10"
+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 = [
+    "tree-sitter>=0.23.0",
+    "tree-sitter-languages>=1.10.0",
+    "jinja2>=3.1.0",
+    "click>=8.0.0",
+    "rich>=13.0.0",
+    "pyyaml>=6.0.0",
+    "pathspec>=0.11.0",
+]
+
+[project.optional-dependencies]
+dev = [
+    "pytest>=7.0.0",
+    "pytest-cov>=4.0.0",
+    "ruff>=0.1.0",
+    "mypy>=1.0.0",
+]
+
+[project.scripts]
+patternforge = "patternforge.cli:main"
+
+[build-system]
+requires = ["hatchling"]
+build-backend = "hatchling.build"
+
+[tool.pytest.ini_options]
+testpaths = ["tests"]
+python_files = ["test_*.py"]
+python_classes = ["Test*"]
+python_functions = ["test_*"]
+
+[tool.ruff]
+line-length = 100
+target-version = "py310"
+
+[tool.ruff.lint]
+select = ["E", "F", "I", "UP", "W"]
+ignore = []
+
+[tool.mypy]
+python_version = "3.10"
+warn_return_any = true
+warn_unused_ignores = true
+disallow_untyped_defs = true