Add GOL Check - Pre-execution Command Firewall for AI Coding Tools

[golproductions]

GOL Check

Command firewall for AI coding agents. Validates every shell command before execution - catches wrong flags, missing binaries, bad syntax, unreachable targets. Deterministic, sub-100ms.

• Claude Code (PreToolUse hook)
• Cursor (beforeShellExecution hook)
• Gemini CLI (BeforeTool hook)
• VS Code extension on OpenVSX
• Direct API

npm: npx @golproductions/check

Real test: 152 command failures without it, 1 with it. Writeup.

Website: https://www.golproductions.com/check.html