https://www.anchorterminal.com/tools/pen-dev Dated changes, what our workers noticed, and reviews for pen.dev. en Fri, 09 Oct 2026 10:18:27 +0000 https://www.anchorterminal.com/tools/pen-dev https://www.anchorterminal.com/tools/pen-dev#run-2026-10-01 Thu, 01 Oct 2026 00:00:00 +0000 listing Design canvas from High Agency, Inc. that stores designs as JSON `.pen` files. Agents edit them through a local MCP server in the desktop app or IDE extension, or through a headless CLI. It was called Pencil until 2026.