flatwrite.md

{
  "type": "object",
  "properties": {
    "markdown": {
      "type": "string",
      "description": "Full markdown document. Optional in the browser WebMCP path (defaults to the active editor). Required for server MCP."
    },
    "mode": {
      "type": "string",
      "description": "Assist mode.",
      "enum": [
        "custom",
        "rewrite",
        "shorten",
        "fix_grammar"
      ]
    },
    "instruction": {
      "type": "string",
      "description": "Freeform instruction. Required when mode is \"custom\"."
    },
    "selectionStart": {
      "type": "number",
      "description": "Optional selection start index (inclusive) within markdown.",
      "minimum": 0
    },
    "selectionEnd": {
      "type": "number",
      "description": "Optional selection end index (exclusive) within markdown.",
      "minimum": 0
    },
    "selectionText": {
      "type": "string",
      "description": "Optional selection text (defaults to markdown.slice(start, end))."
    }
  },
  "required": [
    "markdown"
  ]
}