@glyphicjs/mcp-server

The official Model Context Protocol server for Glyphic. It lets MCP-capable clients — Claude Desktop, Cursor, and others — generate diagrams as a native tool: the model emits JSON, the tool renders it, and the image comes back inline.

Setup

The server runs over stdio via npx — no global install. Add this entry to your client's MCP config:

{
  "mcpServers": {
    "glyphic": {
      "command": "npx",
      "args": ["-y", "@glyphicjs/mcp-server"]
    }
  }
}

Most clients use exactly that; the difference is where the config lives and a couple of key names:

See the full MCP guide for the exact per-client JSON. Restart the client, then just ask:

"Draw an ERD for a blog: users, posts, and comments with the right relationships."

The model calls render_diagram, the diagram is saved locally, and the PNG is returned in the conversation.

Related MCP server: AI Charts

Tools

Rendered files are written to ~/Desktop/Glyphic Diagrams/ (<title>_<timestamp>.png / .svg / _react_flow.json), so the model can tell the user exactly where to find them.

Notes

• Input is validated with @glyphicjs/schema before rendering — malformed model output comes back as a clean, fixable error rather than a crash, and error messages never leak stack traces.

• Choose outputs with exportFormat in the diagram JSON, e.g. "exportFormat": ["png", "svg", "react-flow"] (defaults to ["png"]).

See the full MCP guide and the diagram types reference.

License

MIT