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Speak naturally and watch your ideas become clear visual diagrams.

First seen 2026-11-05 · Last seen 2026-11-05 · Source: webmcp.com

Answer 2 · Act 6 · Transact 0 · Score: Not yet scored

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createDiagram

act imperative

Replace the canvas with a clean diagram. Every node is rendered as a native Excalidraw circle; use labels and semantic colors to distinguish roles. For a flow, connect each earlier step to the next step (from → to), so the canvas orders it correctly. For a concept map, connect related concepts and label each arrow with the relationship, such as 'causes', 'uses', 'depends on', or 'is part of'. When a concept benefits from a visual, call searchImages first and put the selected HTTPS result in that node's image.src with a concise alt or caption. Connectors are automatically given spaced anchor slots and routed with right-angle waypoints so they do not touch node frames. Use fromPosition and toPosition when a connector must leave or land on a specific node side.

Input schema

Property	Type	Required	Description
`title`	string	yes	—
`nodes`	array	yes	—
`connections`	array	yes	—

Raw JSON schema

{
  "type": "object",
  "additionalProperties": false,
  "required": [
    "title",
    "nodes",
    "connections"
  ],
  "properties": {
    "title": {
      "type": "string",
      "minLength": 1,
      "maxLength": 100
    },
    "nodes": {
      "type": "array",
      "maxItems": 24,
      "items": {
        "type": "object",
        "additionalProperties": false,
        "required": [
          "id",
          "shape",
          "label"
        ],
        "properties": {
          "id": {
            "type": "string",
            "minLength": 1,
            "pattern": "^[a-zA-Z0-9_-]+$",
            "maxLength": 48
          },
          "shape": {
            "type": "string",
            "enum": [
              "rectangle",
              "circle",
              "diamond"
            ]
          },
          "label": {
            "type": "string",
            "minLength": 1,
            "maxLength": 80
          },
          "color": {
            "type": "string",
            "maxLength": 32,
            "description": "Optional semantic color (e.g. blue, green, amber, orange, purple, red, gray)"
          },
          "image": {
            "type": "object",
            "additionalProperties": false,
            "required": [
              "src"
            ],
            "description": "Optional supporting image rendered next to this circular node. Use a public HTTPS image URL or data:image URL only when it adds teaching value.",
            "properties": {
              "src": {
                "type": "string",
                "minLength": 1,
                "maxLength": 2000000,
                "description": "Public HTTPS image URL or data:image/* URL. Do not use arbitrary local paths."
              },
              "alt": {
                "type": "string",
                "minLength": 1,
                "maxLength": 140,
                "description": "Short accessibility description for the image."
              },
              "caption": {
                "type": "string",
                "minLength": 1,
                "maxLength": 140,
                "description": "Optional teaching caption shown below the image."
              }
            }
          }
        }
      }
    },
    "connections": {
      "type": "array",
      "maxItems": 40,
      "items": {
        "type": "object",
        "additionalProperties": false,
        "required": [
          "from",
          "to"
        ],
        "properties": {
          "from": {
            "type": "string",
            "minLength": 1,
            "maxLength": 48,
            "pattern": "^[a-zA-Z0-9_-]+$"
          },
          "to": {
            "type": "string",
            "minLength": 1,
            "maxLength": 48,
            "pattern": "^[a-zA-Z0-9_-]+$"
          },
          "label": {
            "type": "string",
            "minLength": 1,
            "maxLength": 48,
            "description": "Optional relationship label, such as 'causes', 'depends on', 'then', or 'is part of'."
          },
          "fromPosition": {
            "type": "string",
            "enum": [
              "auto",
              "top",
              "right",
              "bottom",
              "left"
            ],
            "description": "Where the connector leaves the source: auto, top, right, bottom, or left."
          },
          "toPosition": {
            "type": "string",
            "enum": [
              "auto",
              "top",
              "right",
              "bottom",
              "left"
            ],
            "description": "Where the connector lands on the target: auto, top, right, bottom, or left."
          }
        }
      }
    }
  }
}