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Image: u/KindlyLeadership7978 on Reddit · An Excaliself drawing with boxes added through Claude

Partly Described

Excaliself: a self-hosted Excalidraw+ that Claude can edit

The maker is building an MIT self-hosted alternative to Excalidraw+ largely with Claude Code; a new MCP feature lets Claude change an existing drawing, with nothing applied until someone clicks Apply.

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Credits

  • Reddit poster KindlyLeadership7978 Source ↗

Earliest dated source: 8 Nov 2026

How it was done

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Sources

From a short post by the maker, so the details are as they tell them.

  • Reddit: I let Claude Code edit my team's Excalidraw drawings over MCP, but nothing changes until someone cliForum threadreddit.com
    Reddit poster: KindlyLeadership7978Posted 8 Nov 2026

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Prompt & Solder

An independent community project. Not affiliated with Anthropic.

What this is. Real projects where people used Claude to build, fix, port, revive or take apart something, from jailbroken Kindles to rebuilt DOS games, plus the times it went badly wrong. Every build links to where it was shared, and every source is listed here.

How far to trust it. We summarise what people reported and say what each build rests on: a full write-up with code, a short post, or a passing comment. We haven't tested them ourselves. Photos are shown from the original sources with credit. Only modify hardware you own, and back up first.

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