diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..6ce12cb
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,30 @@
+[build-system]
+requires = ["setuptools>=61"]
+build-backend = "setuptools.build_meta"
+
+[project]
+name = "claudedo"
+version = "0.1.0"
+description = "voice-control daemon for claude code (local STT -> tmux send-keys)"
+readme = "README.md"
+requires-python = ">=3.10"
+license = { text = "Proprietary" }
+authors = [{ name = "dsql" }]
+dependencies = [
+    "sounddevice>=0.4.6",
+    "numpy>=1.24",
+    "faster-whisper>=1.0.0",
+    "tomli>=2.0; python_version < '3.11'",
+]
+
+[project.scripts]
+claudedo = "claudedo.__main__:main"
+
+[tool.setuptools]
+package-dir = { "" = "src" }
+
+[tool.setuptools.packages.find]
+where = ["src"]
+
+[tool.flake8]
+max-line-length = 120
diff --git a/src/claudedo/__init__.py b/src/claudedo/__init__.py
new file mode 100644
index 0000000..6392e52
--- /dev/null
+++ b/src/claudedo/__init__.py
@@ -0,0 +1,3 @@
+"""claudedo — voice-control daemon for claude code (local STT -> tmux send-keys)."""
+
+__version__ = "0.1.0"