Developer releases open-source linter to catch security flaws in AI-generated code

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A developer has released hallint, a free open-source static analysis tool built to detect security vulnerabilities commonly introduced by AI coding assistants like Copilot, Claude, and ChatGPT. The tool targets failure patterns that traditional linters miss, including hardcoded secrets, SQL injection risks, missing authentication middleware, permissive CORS settings, and unsanitized innerHTML usage. Hallint uses three detection layers — regex matching, AST analysis, and optional LLM-based semantic review — to scan TypeScript and JavaScript codebases. It is available as a CLI tool via npx or as an npm package for integration into existing workflows. The tool can also be configured as a CI gate, returning a non-zero exit code when critical or high-severity issues are found.

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