easels.dev WebMCP Tools, Schemas & Agent Capabilities

easels.dev

live Unverified (seed import) AI & Agents 30 tools imperative implementation

A design canvas where you and your agent edit the same HTML, in the page. Agents read and write the nodes through WebMCP tools. No plugin, no desktop app.

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

Answer 7 · Act 22 · Transact 1 · Score: Not yet scored

Tool inspector

set_attributes

act imperative

Change a node's HTML tag, its layer name, or its attributes (href, alt, placeholder, aria-label and so on). Changing the tag is how a div becomes an h1 without losing its style.

Input schema

Property	Type	Required	Description
`id`	string	yes	—
`tag`	string	no	e.g. h1, p, button, a, section.
`name`	string	no	What the layers panel shows.
`attributes`	object	no	Merged into the existing attributes. Empty string removes one.

Raw JSON schema

{
  "type": "object",
  "properties": {
    "id": {
      "type": "string"
    },
    "tag": {
      "type": "string",
      "description": "e.g. h1, p, button, a, section."
    },
    "name": {
      "type": "string",
      "description": "What the layers panel shows."
    },
    "attributes": {
      "type": "object",
      "additionalProperties": {
        "type": "string"
      },
      "description": "Merged into the existing attributes. Empty string removes one."
    }
  },
  "required": [
    "id"
  ]
}