diff --git a/tox.ini b/tox.ini
new file mode 100644
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--- /dev/null
+++ b/tox.ini
@@ -0,0 +1,34 @@
+# Tox (http://tox.testrun.org/) is a tool for running tests
+# in multiple virtualenvs. This configuration file will run the
+# test suite on all supported python versions. To use it, "pip install tox"
+# and then run "tox" from this directory.
+
+[tox]
+skipsdist = True
+envlist = py35,py34,py27,pypy,pep8
+
+[testenv]
+install_command = pip install --allow-external -U {opts} {packages}
+deps =
+    setuptools
+    -r{toxinidir}/tcp_tests/requirements.txt
+    -r{toxinidir}/test-requirements.txt
+usedevelop = False
+commands = py.test -s -vvv tcp_tests/tests/unit
+
+[testenv:venv]
+commands = {posargs}
+
+[testenv:pep8]
+deps = flake8
+usedevelop = False
+exclude = .venv,.git,.tox,.chache,.lib,dist,doc,*egg,build,local*
+commands =
+    flake8 {posargs:.}
+
+[flake8]
+ignore = H302,H802
+exclude = .venv,.git,.tox,dist,doc,*egg,build,local,./lib
+show-pep8 = True
+show-source = True
+count = True