Shellfirm – a seatbelt for AI agents running shell commands
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Ranked by a public rubric, not by votes: what a comment adds counts, not who wrote it. How comments are ranked · Comment rules
Summary
Shellfirm is an open-source guardrail that intercepts risky shell commands before they run, aimed especially at AI coding agents and developers. It ships with 496 built-in checks, shell hooks for several shells, and hooks and MCP tools for agents such as Claude Code.