Reelpen
Build 3D scenes for AI video, by hand or through MCP
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Plan a shot before generating it. Reelpen is a browser-based 3D scene builder: arrange characters and environments, direct movement and cameras, then export reference videos or PNG keyframes. Connect a compatible AI assistant through authenticated MCP to inspect and edit permitted scenes. Free beta; external AI services are separate.
PH · launched Sep 29, 2026 · 1 upvote (top 69%) · 0 views
Niche: 3d modeling and rendering software · 145 launches, 22 in the last 7 days ▼ -8% · Explore this niche →
Category and tags
- Media & entertainment
- Content generation
- Prosumer
- AI feature
- Commercial product
- Design Tools
- Artificial Intelligence
Visit website ↗ Source listing ↗
More like this: all 145 launches in 3d modeling and rendering software →
Could you build this?
Partial While Three.js/Babylon.js scene builders and MCP endpoints can be generated with AI assistance, building a performant browser-based 3D editor with real-time camera direction, multi-track animation timelines, and deterministic video/PNG frame rendering requires non-trivial 3D graphics engineering.
What it would actually take: Requires Three.js or WebGPU with custom transform controls, scene-graph state management, and an animation sequencer (like theater.js). The MCP server wraps JSON-RPC methods into scene mutation events. The hardest engineering involves handling complex rigged 3D assets, bounding-box physics, and headless off-screen canvas rendering to export consistent reference video keyframes.
Competitors
Other products that read as similar to this one : 295 launches clear the similarity bar, closest 8 shown.
Attention rank: #243 of 296 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).
Launched 328 days after the earliest competitor.
- Reeldo AI · ph · 2026-09-14 · 1 upvotes · similarity 0.52
- ReelComet · ph · 2026-09-14 · 2 upvotes · similarity 0.48
- Claude reel maker · ph · 2026-09-23 · 2 upvotes · similarity 0.48
- ReelMimic · ph · 2026-09-30 · 2 upvotes · similarity 0.48
- ReelMuse · ph · 2026-09-24 · 1 upvotes · similarity 0.46
- ReelMuse · ph · 2026-09-11 · 1 upvotes · similarity 0.46
- CINEMATIC REEL DIRECTOR · ph · 2026-10-02 · 1 upvotes · similarity 0.46
- ReelEditor · ph · 2026-11-13 · 1 upvotes · similarity 0.45
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