# Catalogue

> Public catalogue components.

JSON: https://staging.leyline.ahensya.com/api/v1/components

- [tldraw offline](https://staging.leyline.ahensya.com/components/tldraw-offline.md): tldraw offline is tldraw’s local, file-based desktop infinite canvas (no accounts / no server required for core use). Documents save as portable .tldraw files (canvas + media + optional embedded document scripts). The 2026-08-03 @tldraw post demos the agent-native angle: you can make your own tools on the canvas — e.g.
- [pen.dev](https://staging.leyline.ahensya.com/components/pen-dev.md): Pencil / pen.dev (site banner: “pencil.dev is now pen.dev”) is an AI-native infinite design canvas positioned as “Dream on canvas. Land in code.” Backed by a16z Speedrun (site badge). Integrates with Cursor, VS Code, Claude Code, OpenAI Codex; emphasizes bi-directional MCP vector canvas, open file format, Figma bring-over, brand kits, and design-as-code.