Diagrams are drawn by a coding agent on your own computer (Claude Code, Codex or Grok). It connects through agentd, a small app you install once. No API key needed.
Download agentd for Mac: Apple silicon (M1 and newer) · Intel
Add this skill to Claude Code to generate shareable diagram URLs.
Save it as ~/.claude/skills/mimaid/SKILL.md
~/.claude/skills/mimaid/SKILL.md