Show HN: Rivermark, a superfast AI graphic design canvas
Hi HN, Agents can nowadays design UI very competently, but the wider question of graphic design is largely unsolved. On one side, you have image models like ChatGPT images, which are high-quality but recognizable and barely editable. On the other hand, you can use LLMs and accept results that, well, look like UI. I've been working on Rivermark for a few months now to tackle this issue. It's an infinite canvas with an agent that excels at creating on-brand visual content for socials, marketing, a
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points · 1 votes
2026-11-04 18:30:32.860Z
cumulative since publication
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What changed
Source account: Hi HN, Agents can nowadays design UI very competently, but the wider question of graphic design is largely unsolved. On one side, you have image models like ChatGPT images, which are high-quality but recognizable and barely editable. On the other hand, you can use LLMs and accept results that, well, look like UI. I've been working on Rivermark for a few months now to tackle this issue. It's an infinite canvas with an agent that excels at creating on-brand visual content for socials, marketing, a
Version & cost evidence
Source votes: 1 votes (Nov 4, 2026 UTC; cumulative since publication); previous same-scope observation: 1 (Nov 4, 2026 UTC). These observations do not establish demand growth. Recent records to compare: “Show HN: Sentient, Your Coding Agent Shouldn't Be a Black Box” (Show HN, Nov 7, 2026); “Show HN: KeyContain – Fine-grained access to APIs your agents use” (Show HN, Nov 7, 2026). Shared themes are navigation hints; they have not been verified as the same need or independent corroboration.
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