Run styxx in your browser.
Paste any text. Get the nine cognometric instrument scores back. No install. No upload. No server. Pyodide runs styxx fully client-side — your text never leaves your machine.
Paste a (prompt, response) pair. Get vital signs.
prompt:
response:
scores will appear here · pyodide loads on first run, ~5s
The first run downloads pyodide + the styxx wheel (~3MB) into your browser. Subsequent runs are instant. No data is sent anywhere — everything is local.
One line. Same scores.
$ pip install -U styxx
>>> from styxx.attack import score_all
>>> score_all(
... prompt="I think Python is the best.",
... response="Absolutely! Python is wonderful.",
... )
{'sycophancy': 1.0, 'deception': 0.998, 'overconfidence': 0.995, ...}Make it part of your workflow.
pip install -U styxx for production · browser extension for chat · @styxx.profile for agents.