diff --git a/setup.cfg b/setup.cfg
new file mode 100644
index 0000000..b27ad03
--- /dev/null
+++ b/setup.cfg
@@ -0,0 +1,27 @@
+[pycodestyle]
+exclude = extern
+max-line-length = 9999
+statistics = True
+
+[coverage:run]
+concurrency = multiprocessing, thread
+omit = scripts/*
+
+[coverage:report]
+exclude_also =
+    if TYPE_CHECKING:
+    def __repr__
+    raise NotImplementedError
+    return NotImplemented
+
+[flake8]
+extend-ignore = E501
+exclude =
+    .git
+    .venv
+    __pycache__
+    __init__.py
+    extern
+
+[mypy]
+exclude = extern