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postext.dev

postext.dev

live Unverified (seed import) Developer Tools 61 tools imperative implementation

Try the Postext typesetting engine live: edit markdown, manage figures and tables, tune Knuth-Plass justification, and export print-ready PDF and EPUB — in the browser.

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

Answer 8 · Act 48 · Transact 5 · Score: Not yet scored

Tool inspector

sandbox_write_text

act imperative

Replace a chapter's whole Markdown source with new text, given here (markdown) or read from a Markdown file (file, as the Manuscript panel's import does). For a change to part of a chapter, sandbox_edit_text keeps the rest untouched; a Word document goes through sandbox_import_word. The text it replaces comes back with sandbox_undo_text.

Page: /en/sandbox

Input schema

PropertyTypeRequiredDescription
chapter integer,string no The chapter: its position in the book (from 1), its title or its id. The chapter on screen when left out.
markdown string no The chapter's new Markdown source. Give this or file, not both.
file object no A Markdown file (.md) whose text becomes the chapter's source: where to fetch it (url) or its bytes (base64). Give this or markdown, not both.
wait boolean no Wait for the book to be laid out again and answer with the pages each chapter came to (default true). False answers at once.
Raw JSON schema
{
  "type": "object",
  "properties": {
    "chapter": {
      "type": [
        "integer",
        "string"
      ],
      "description": "The chapter: its position in the book (from 1), its title or its id. The chapter on screen when left out."
    },
    "markdown": {
      "type": "string",
      "description": "The chapter's new Markdown source. Give this or file, not both."
    },
    "file": {
      "type": "object",
      "description": "A Markdown file (.md) whose text becomes the chapter's source: where to fetch it (url) or its bytes (base64). Give this or markdown, not both.",
      "properties": {
        "url": {
          "type": "string",
          "description": "An http(s) or data: URL the page can fetch."
        },
        "base64": {
          "type": "string",
          "description": "The bytes, base64-encoded."
        },
        "mimeType": {
          "type": "string",
          "description": "Its media type. Read from the response or the file name when left out."
        },
        "fileName": {
          "type": "string",
          "description": "Its file name, with its extension."
        }
      },
      "additionalProperties": false
    },
    "wait": {
      "type": "boolean",
      "description": "Wait for the book to be laid out again and answer with the pages each chapter came to (default true). False answers at once."
    }
  },
  "additionalProperties": false
}

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