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A minimalist markdown editor with live preview, paged document layout, and one-click export to HTML, PDF, or shareable URL.Listings are sourced from public community registries and shown as reported.
flatwrite.md
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Tools
render_markdownactimperative
Render markdown into FlatWrite-styled HTML <head> and <body> fragments, with optional typography and page-layout controls. Provide either the raw markdown inline (`markdown`) or an allowlisted URL (`markdownUrl`) pointing to raw markdown content. Use this when you need the rendered HTML artifacts.Input schema
{
"type": "object",
"properties": {
"markdown": {
"type": "string",
"description": "Raw markdown content to render."
},
"markdownUrl": {
"type": "string",
"description": "URL pointing to raw markdown content. Must be on an allowlisted host (raw.githubusercontent.com, raw.gitlab.com, bitbucket.org), http(s) only, and <=1 MB. Host validation is enforced server-side."
},
"font": {
"type": "string",
"description": "Font family — must be a bundled family.",
"enum": [
"Inter",
"JetBrains Mono",
"Lato",
"Lora",
"Merriweather",
"Playfair Display",
"Comfortaa",
"Unbounded"
]
},
"appFramework": {
"type": "string",
"description": "UI framework applied when surfaceMode=\"app\".",
"enum": [
"spectre",
"poshui",
"pico",
"milligram",
"chota"
]
},
"size": {
"oneOf": [
{
"type": "string",
"description": "Scale token (e.g. \"-1\", \"0\", \"1\")"
},
{
"type": "number",
"description": "Absolute pixel value (8..72)"
}
],
"description": "Font size as a scale token (e.g. \"-1\", \"0\", \"1\").",
"minimum": 8,
"maximum": 72
},
"weight": {
"oneOf": [
{
"type": "string",
"description": "Scale token (e.g. \"-1\", \"0\")"
},
{
"type": "number",
"description": "Absolute weight (100..900, multiples of 100)"
}
],
"description": "Font weight as a scale token (e.g. \"-1\", \"0\").",
"minimum": 100,
"maximum": 900
},
"line": {
"oneOf": [
{
"type": "string",
"description": "Scale token (e.g. \"-1\", \"0\", \"1\")"
},
{
"type": "number",
"description": "Absolute multiplier (0.8..4.0)"
}
],
"description": "Line height as a scale token (e.g. \"-1\", \"0\", \"1\").",
"minimum": 0.8,
"maximum": 4
},
"uiZoom": {
"type": "number",
"description": "UI zoom level (1.0 = default; >1 zooms in, <1 zooms out).",
"minimum": 0.25,
"maximum": 4
},
"pageSize": {
"type": "string",
"description": "Page size for paged output. Only effective when docEngine is pagedjs or vivliostyle.",
"enum": [
"A0",
"A1",
"A2",
"A3",
"A4",
"A5",
"Letter",
"Legal"
]
},
"orientation": {
"type": "string",
"description": "Page orientation.",
"enum": [
"portrait",
"landscape"
]
},
"marginsLR": {
"type": "string",
"description": "Left/right page margin preset. Only effective when docEngine is pagedjs or vivliostyle.",
"enum": [
"narrow",
"normal",
"wide"
]
},
"marginsTB": {
"type": "string",
"description": "Top/bottom page margin preset. Only effective when docEngine is pagedjs or vivliostyle.",
"enum": [
"narrow",
"normal",
"wide"
]
},
"footer": {
"type": "boolean",
"description": "Include a page-number footer in paged output."
},
"width": {
"type": "number",
"description": "Content width in pixels (400..1400). Only effective when docEngine=\"none\".",
"minimum": 400,
"maximum": 1400
},
"docEngine": {
"type": "string",
"description": "Document engine — \"none\" emits plain CSS; \"pagedjs\"/\"vivliostyle\" wrap the output in @page rules.",
"enum": [
"none",
"pagedjs",
"vivliostyle"
]
},
"surfaceMode": {
"type": "string",
"description": "Surface mode hint. \"app\" unlocks the appFramework picker; otherwise this is metadata only.",
"enum": [
"doc",
"app"
]
},
"theme": {
"type": "string",
"description": "Theme identifier rendered as body[data-theme=\"...\"] so consumer CSS can theme via attribute selectors. Free-form (alphanumeric, dash, underscore) — common values are \"light\" and \"dark\"."
}
},
"required": [],
"oneOf": [
{
"required": [
"markdown"
]
},
{
"required": [
"markdownUrl"
]
}
]
}list_render_optionsanswerimperative
Return the supported fonts, UI frameworks, document engines, page sizes, orientations, margins, and surface modes for the render_markdown tool. Call this before rendering if you need to know which enum values are valid; call render_markdown when you have the options and are ready to render.Input schema
{
"type": "object",
"properties": {},
"required": []
}get_document_stateanswerimperative
Return the current state of the active document in the FlatWrite editor: title, word count, render mode, unsaved changes flag, and available export formats. Use this before export or share tools to check readiness; use update_document_content to change the content.Input schema
{
"type": "object",
"properties": {},
"required": []
}create_documentactimperative
Create a new blank document in the FlatWrite editor, optionally with initial markdown content. Use this to start a new document; use open_document to load an existing one from a URL or share link.Input schema
{
"type": "object",
"properties": {
"markdown": {
"type": "string",
"description": "Optional initial markdown content for the new document."
},
"title": {
"type": "string",
"description": "Optional title for the new document."
}
},
"required": []
}open_documentactimperative
Open an existing document from a URL or share link in the FlatWrite editor. Use this to load a remote markdown file or a previously shared document; use create_document to start blank.Input schema
{
"type": "object",
"properties": {
"url": {
"type": "string",
"description": "URL of the markdown file or FlatWrite share link to open."
}
},
"required": [
"url"
]
}update_document_contentactimperative
Update the markdown content of the active document in the FlatWrite editor. Use this to edit the document programmatically; use get_document_state to inspect the result.Input schema
{
"type": "object",
"properties": {
"markdown": {
"type": "string",
"description": "New markdown content for the document."
}
},
"required": [
"markdown"
]
}list_recent_documentsanswerimperative
Return a list of recently opened documents from the editor session. Use this to discover what the user has been working on; use open_document to load one.Input schema
{
"type": "object",
"properties": {},
"required": []
}render_markdown_previewactimperative
Triggers the editor's built-in preview pane. No HTML is returned — this tool produces a visual side-effect only. Agents that need HTML output must use render_markdown instead.Input schema
{
"type": "object",
"properties": {
"markdown": {
"type": "string",
"description": "Optional markdown to preview. If omitted, previews the current editor content."
}
},
"required": []
}export_document_htmlactimperative
Export the active document as a self-contained HTML file. The export opens in a new browser tab for human users. Completes synchronously. Use export_document_pdf for print-ready output.Input schema
{
"type": "object",
"properties": {},
"required": []
}export_document_pdfactimperative
Export the active document as a PDF by triggering the browser print dialog with the rendered preview. Completes synchronously. The print dialog opens for human users. Use export_document_html for a downloadable HTML file.Input schema
{
"type": "object",
"properties": {},
"required": []
}create_share_linkactimperative
Create a shareable URL for the active document and copy it to the clipboard. Use this to share the document; the link expires after 30 days. Use get_document_state to check canShare before calling.Input schema
{
"type": "object",
"properties": {},
"required": []
}assist_documentactimperative
Rewrite, shorten, fix grammar, or apply a custom instruction to markdown via FlatWrite Assist (Morph: Reflex + Router + Compact + Fast Models). Returns full markdown plus the edited piece. Does not modify the editor — apply with update_document_content if desired. When selectionStart and selectionEnd are provided, only that span is rewritten.Input schema
{
"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"
]
}