This is a python client for Firefox Sync. Check it out with:
$ pip install -e . $ python syncclient/main.py --help
For instance, if you want to get all passwords (encrypted) use the get_records action:
$ python syncclient/main.py alexis@notmyidea.org $PASSWORD get_records passwords [u'{1c1e0eea-d9c2-4c59-b95e-4dbe0800639f}', u'{0a76ec08-ba7c-48b1-b026-1d65085f789e}', u'{7482b391-bf2f-4542-8ebd-27c4398487ff}', u'{37bc9298-ac49-c54e-a73d-d817434ed0b2}', u'{d5ff4718-d4a0-4703-b0af-7d1c79c3a099}']