Arguseye Lets Coding Agents Visually Check React, Next.js, and Vue Edits

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A type checker can pass after an edit even when a heading still looks cramped on mobile, which motivated the creation of Arguseye. The tool renders an existing React, browser-renderable Next.js, or Vue 3 component using the project's own source and installed packages, without starting the full app or writing a story. It returns a cropped PNG and accessibility text alongside metadata such as resolved props, unresolved inputs, warnings, and errors. Developers can use it through MCP, a CLI, or a VS Code preview panel, after installing Node.js 22 or later and Chromium or Chrome. The tool's previews show how a component renders with discovered inputs but do not verify full pages, authenticated sessions, or backend workflows.

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