The Basilisk Journal

AI coding assistants

Writing collected under this topic.

An AI agent emitting Python that passes through a strict type-checking gate, valid code accepted and hallucinated code rejected

Deep dives July 20, 2026

Python Type Checking Is the Guardrail AI Coding Agents Need

Claude Code and Codex can edit and test across a repository. With usable static types, a checker can catch nonexistent members, incompatible arguments, and unsupported calls before runtime. Here is where that guardrail works, where Python's Any escapes it, and what Basilisk checks today.