Draw diagrams
with Claude.

Sulba is a Mermaid diagram editor that lives inside your Claude conversation. Describe what you want, Claude generates the diagram, you edit it visually — all without leaving the chat.

Get started in 5 minutes Open full playground

sulba playground

Edit the Mermaid on the left or drag shapes on the canvas — they stay in sync.

How it works

Connect

Add Sulba to Claude Desktop in one config line.

Describe

Ask Claude to create or update any diagram.

Edit

Refine it visually, right inside your conversation.

Connect with Claude Desktop

Add the following to your claude_desktop_config.json:

{
  "mcpServers": {
    "sulba": {
      "type": "http",
      "url": "https://sulba.app/api/mcp"
    }
  }
}