the-argumentai.vercel.app WebMCP Tools, Schemas & Agent Capabilities

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Argument.ai

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

Answer 3 · Act 9 · Transact 0 · Score: Not yet scored

Tool inspector

highlight_node

act imperative

Highlight a specific node on the canvas to draw the user's attention to it — useful when you're about to object to it or want to discuss it. Pass null to clear all highlights.

Input schema

Property	Type	Required	Description
`node_id`	string,null	no	ID of node to highlight, or null to clear.
`message`	string	no	Optional: message to display in a callout near the highlighted node.

Raw JSON schema

{
  "type": "object",
  "properties": {
    "node_id": {
      "type": [
        "string",
        "null"
      ],
      "description": "ID of node to highlight, or null to clear."
    },
    "message": {
      "type": "string",
      "description": "Optional: message to display in a callout near the highlighted node."
    }
  },
  "additionalProperties": false
}