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Sketchy 0.1.0

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@github-actions github-actions released this 31 Oct 18:28
· 106 commits to main since this release
v0.1.0
c2f1fcb

First release of Sketchy: Claude draws while it explains, with clean, hand-drawn, interactive diagrams right next to the answer.

Note

Drawings currently appear in Claude Code sessions of the Claude desktop app. Support for the regular Claude chat is planned.

Install

  1. Download the bundle for your platform below: darwin-arm64 (macOS on Apple Silicon), win32-x64 or linux-x64.
  2. Double-click it or drag it into Settings → Extensions in the Claude desktop app.
  3. Open the Code tab and ask, for example: "Explain the Arduino Uno with Sketchy."

Added

  • Scene model with validated tools (sketch, add_box, add_node, add_group, add_edge, label, add_step, …); Claude describes structure, never coordinates.
  • Automatic layout with elkjs: nested groups, orthogonal edge routing, edge labels and collision-free callout labels; picks the more readable flow direction.
  • MCP App viewer with a consistent hand-drawn style (rough.js, Kalam handwriting font, fixed palette), hover details and click-to-open files in VS Code, Cursor, Windsurf or Zed.
  • Step-by-step walkthroughs that circle the relevant elements and fade the rest.
  • SVG and PNG export with embedded fonts.
  • Part library of 50 wokwi-elements parts in a SQLite index with pin aliases (D13, GND, anode), plus place_part, connect and routed wires.
  • Photo labeling: licensed photo search (Wikimedia Commons, Openverse), local Florence-2 grounding with OCR, annotated previews for verification, and a model picker with download progress.
  • Explanation patterns (structure, flow, comparison, metaphor, repository, circuit) as server instructions and prompts.
  • Streamable HTTP mode for remote deployments.
  • MCP Bundle packaging for Claude Desktop, robust against unset extension settings.
  • Viewer fallback that fetches the drawing by view id when a host does not forward result metadata.

Known limitations

  • Drawings appear in Claude Code sessions of the Claude desktop app. The regular Claude chat does not display views from local extensions yet; support is planned.
  • Photo labeling is not available on Intel Macs (no ONNX Runtime build for macOS x64).
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