mathburst.fireheartjerry.chatgpt.site
A live mathematical canvas for reasoning, visualization, and WebMCP-native tutoring.
First seen 2026-11-05 · Last seen 2026-11-05 · Source: webmcp.com
Answer 9 · Act 37 · Transact 2 · Score: Not yet scored
Tool inspector
edit_text
Change the text, color, fontSize, presentation (typed or handwritten) or textAlign of one existing text object, keeping its id, position and author. typewriter: true types the value live so the learner watches it appear. Use annotate_object to add a new note instead.
Input schema
| Property | Type | Required | Description |
|---|---|---|---|
objectId |
string | yes | Id of the text object. |
text |
string | no | New text, up to 2000 characters. |
color |
string | no | CSS text color, e.g. "#171713". |
fontSize |
number | no | Font size in px, 0..200, e.g. 18. |
presentation |
string | no | "typed" or "handwritten" rendering. |
textAlign |
string | no | Alignment for multi-line text. |
typewriter |
boolean | no | true: type the new value live, character by character, before committing it. Default false. |
typewriterMs |
number | no | Typing duration in ms, 200..6000. Default 1400. |
Raw JSON schema
{
"type": "object",
"properties": {
"objectId": {
"type": "string",
"minLength": 1,
"description": "Id of the text object."
},
"text": {
"type": "string",
"maxLength": 2000,
"description": "New text, up to 2000 characters."
},
"color": {
"type": "string",
"description": "CSS text color, e.g. \"#171713\"."
},
"fontSize": {
"type": "number",
"exclusiveMinimum": 0,
"maximum": 200,
"description": "Font size in px, 0..200, e.g. 18."
},
"presentation": {
"type": "string",
"enum": [
"typed",
"handwritten"
],
"description": "\"typed\" or \"handwritten\" rendering."
},
"textAlign": {
"type": "string",
"enum": [
"left",
"center",
"right"
],
"description": "Alignment for multi-line text."
},
"typewriter": {
"type": "boolean",
"description": "true: type the new value live, character by character, before committing it. Default false."
},
"typewriterMs": {
"type": "number",
"minimum": 200,
"maximum": 6000,
"description": "Typing duration in ms, 200..6000. Default 1400."
}
},
"required": [
"objectId"
],
"additionalProperties": false
}
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