Creator of š ContextGem | Founder & CEO Shcherbak AI
Your app's network firewall ā in one function call.
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ContextGem on GitHub: https://github.com/shcherbak-ai/contextgem ContextGem documentation: https://contextgem.dev/ Example pipeline for NDA data extraction (Google Colab): https://colab.research.google.com/drive/1jJhU05pv26v_G4Vj3Pg5-qlZfXxSEjPo?usp=sharing
Hey community! I built tethered because Python has no built-in way to restrict outbound network access at runtime. One function call, zero dependencies ā declare an allow list and any socket call outside it is blocked before a packet leaves the machine. Uses Python's audit hook system (PEP 578), no monkey-patching or proxies. Built it mainly for supply chain defense (compromised deps can't phone home), AI agent guardrails, and test isolation. Works with requests, httpx, aiohttp, Django, FastAPI ā anything built on Python sockets. Fully open-source (MIT). Would love your feedback!
