Side-by-side comparison of two Model Context Protocol servers — install paths, tools, quality signals, and directory engagement so you can pick the right one for Claude, Cursor, and other MCP clients.
Render and verify native Rust GUIs with no display or GPU: render to a typed accessibility tree, query/interact by semantic selector (never coordinates), check contrast/focus-order/hit-target-size, diff screenshots, and watch motion play as a captioned filmstrip. 13 tools. cargo install fenestra-mcp.
Visual DOM element selector for agentic coding tools. Chrome extension + MCP server bridge for Claude Code, Cursor, Windsurf etc. Option+Click to capture elements.