Open Source Layntra: A Controlled Codex-to-Figma Workflow
Turbulent-Rabbit-613 · reddit · 2026-08-01
A developer has open-sourced Layntra, an MIT-licensed workflow connecting Codex and Figma. The project allows Codex to manipulate Figma without needing a hosted MCP service or Figma API token, providing a visible write boundary for non-technical users.
Core Architecture & Features:
- Uses an architecture of Codex skill → local stdio/MCP bridge → WebSocket → Figma plugin, with no cloud dependency.
- Enforces strict read/write separation: inspect, review, and plan are read-only; apply rechecks targets before writing.
- Includes safety mechanisms: it refuses writes if the page or selection has changed, and offers a guarded undo.
The v0.1.0 release limits writes to batches of 100 supported editable nodes and does not support deletion or arbitrary code execution. The author validated its stability with 22 automated tests and a real Figma end-to-end test.
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