{
  "id": 10694,
  "url": "https://simonwillison.net/2026/Jul/16/grok-mermaid",
  "title": "Mermaid to Unicode box art (grok-mermaid)",
  "summary": "Tool: Mermaid to Unicode box art (grok-mermaid) While exploring the codebase for the newly open-sourced Grok CLI coding agent I came across xai-grok-markdown/src/mermaid.rs , a \"self-contained terminal renderer for Mermaid diagrams\" written in Rust. I figured it would be fun to try that out in a browser via WebAssembly. Here's the prompt I ran in Claude Code for web (Fable 5), and this is what the resulting tool looks like: Tags: tools , rust , webassembly , mermaid , grok , xai",
  "authors": null,
  "category": "org",
  "topics": "agents-autonomy",
  "orgs": "xai",
  "regions": null,
  "published_at": "2026-07-16T00:33:18.000Z",
  "fetched_at": "2026-07-16T05:10:56.605Z",
  "source_slug": "x-simon-willisons-weblog",
  "source_name": "Simon Willisons Weblog",
  "source_homepage": "https://simonwillison.net",
  "ethics_ai_record_url": "https://ethics.ai/record/10694",
  "original_url": "https://simonwillison.net/2026/Jul/16/grok-mermaid",
  "evidence_status": "source-only",
  "attribution": "via ethics.ai"
}