add_header.py           Simple script that just adds a header to every request.
dup_and_replay.py       Duplicates each request, changes it, and then replays the modified request.
flowbasic               Basic use of mitmproxy as a library.
modify_form.py          Modify all form submissions to add a parameter. 
modify_querystring.py   Modify all query strings to add a parameters.
stub.py                 Script stub with a method definition for every event. 
stickycookies           An example of writing a custom proxy with libmproxy.
upsidedownternet.py     Rewrites traffic to turn PNGs upside down.