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GhostMark
Point at the UI instead of describing it
Paste a screenshot in Claude Code, draw the arrows, circles, or user flow you mean, then press Enter. GhostMark sends the marked image back to the prompt. Free, local, open-source, and Apple-notarized for macOS.
I built GhostMark because text is a terrible pointing device.
I kept describing “the button in the top-right” when one arrow would be clearer. GhostMark turns that into a small visual loop for Claude Code: paste a screenshot, draw the arrow or user flow you mean, then press Enter.
It is free, MIT-licensed, runs locally on macOS, and does not upload images or collect analytics. The installer is signed and notarized by Apple.
I would especially love feedback on how you use it for UI changes and user-flow sketches.
GitHub: https://github.com/alan890104/Gh...
About GhostMark on Product Hunt
“Point at the UI instead of describing it”
GhostMark was submitted on Product Hunt and earned 3 upvotes and 1 comments, placing #153 on the daily leaderboard. Paste a screenshot in Claude Code, draw the arrows, circles, or user flow you mean, then press Enter. GhostMark sends the marked image back to the prompt. Free, local, open-source, and Apple-notarized for macOS.
On the analytics side, GhostMark competes within Mac, Open Source, Developer Tools and GitHub — topics that collectively have 731.1k followers on Product Hunt. The dashboard above tracks how GhostMark performed against the three products that launched closest to it on the same day.
Who hunted GhostMark?
GhostMark was hunted by Yu Lun Hsu. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of GhostMark including community comment highlights and product details, visit the product overview.
Yu Lun Hsu