---
title: "Mermaid to Unicode Box Art: Introducing grok-mermaid"
source: "Simon Willison 博客（Atom）"
source_tier: "t2"
url: "https://simonwillison.net/2026/Jul/16/grok-mermaid/#atom-everything"
permalink: "https://feed.astralor.com/items/itm_a4fed1204385e0c0d41dea03"
published: "2026-07-16T00:33:18.000Z"
score: 73
channel: "tech"
tags: ["grok-mermaid","Mermaid","Unicode Box Art","Open Source"]
---

# Mermaid to Unicode Box Art: Introducing grok-mermaid

## AI commentary

> This tool addresses the pain point of displaying diagrams in plain-text environments, especially for developers who like embedding diagrams in terminals and code comments. It's worth paying attention to.

## At a glance

Simon Willison introduces grok-mermaid, an open-source tool that converts Mermaid diagrams into Unicode box art. It uses grok to parse Mermaid syntax and generates plain-text Unicode box art suitable for terminals, code comments, and other text-only environments. The tool is lightweight and efficient, requiring no graphical rendering. Key technical aspects include Mermaid parsing, Unicode box generation, and integration with other tools.

## Key points

- grok-mermaid converts Mermaid flowcharts, sequence diagrams, etc., into Unicode box art
- Plain text output suitable for terminals and code comments
- Based on grok parser for high performance

## Full text

Mermaid to Unicode box art (grok-mermaid)

---

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