# ex-caliber

> ex-caliber — lukasparke-ex-caliber. Use this tool when you need to collaborate on visual projects with coding agents, such as Claude Code or Cursor, on a shared whiteboard canvas. Ex-caliber provides a native, GPU-accelerated drawing experience compatible with Excalidraw, allowing for seamless interaction and coding directly on the canvas. Ideal for joint design and development projects, it integrates with git for version control and streamlined workflows.

Canonical page: https://skillsregistry.net/skills/lukasparke-ex-caliber  
JSON: https://api.skillsregistry.net/v1/skills/lukasparke-ex-caliber

## Description

Excalidraw-compatible native whiteboard in Rust on GPUI, MCP-native so coding agents (Claude Code, Cursor) draw on the canvas with you

## Trust

- **Trust score (0–1):** 0.81
- **Verification tier:** verified
- **Last scanned:** 2026-09-28

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** container
- **Runtime environment:** vm
- **License:** Apache-2.0
- **Updated:** 2026-09-28

## Source

- **Source listing:** [GitHub](https://github.com/LukasParke/ex-caliber)

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "lukasparke-ex-caliber"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/lukasparke-ex-caliber` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/lukasparke-ex-caliber/pull`

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SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt