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flatwrite.md WebMCP tools
A minimalist markdown editor with live preview, paged document layout, and one-click export to HTML, PDF, or shareable URL.
12 tools1 methodsspec API surface
What can an agent do with flatwrite.md WebMCP tools?
A minimalist markdown editor with live preview, paged document layout, and one-click export to HTML, PDF, or shareable URL. This page documents every listed tool, the action or answer it provides, its installation command, and the input fields an agent should send.
WebMCP tools on flatwrite.md
render_markdown
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.
How to install
Open the flatwrite.md website and ask your browser agent to use render_markdownInstall browse first, then run the command in a terminal. WebMCP tools run directly on the website and do not need a package install.
Run with an agent
Use the render_markdown tool on flatwrite.md with markdown: <string>, markdownUrl: <string>, font: <string>, appFramework: <string>, size: <string>, weight: <string>, line: <string>, uiZoom: <number>, pageSize: <string>, orientation: <string>, marginsLR: <string>, marginsTB: <string>, footer: <boolean>, width: <number>, docEngine: <string>, surfaceMode: <string>, theme: <string>. Return the structured result and cite the source page.Input contract
markdownstring Raw markdown content to render.markdownUrlstring 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.fontstring Font family — must be a bundled family.appFrameworkstring UI framework applied when surfaceMode="app".sizestring Font size as a scale token (e.g. "-1", "0", "1").weightstring Font weight as a scale token (e.g. "-1", "0").linestring Line height as a scale token (e.g. "-1", "0", "1").uiZoomnumber UI zoom level (1.0 = default; >1 zooms in, <1 zooms out).pageSizestring Page size for paged output. Only effective when docEngine is pagedjs or vivliostyle.orientationstring Page orientation.marginsLRstring Left/right page margin preset. Only effective when docEngine is pagedjs or vivliostyle.marginsTBstring Top/bottom page margin preset. Only effective when docEngine is pagedjs or vivliostyle.footerboolean Include a page-number footer in paged output.widthnumber Content width in pixels (400..1400). Only effective when docEngine="none".docEnginestring Document engine — "none" emits plain CSS; "pagedjs"/"vivliostyle" wrap the output in @page rules.surfaceModestring Surface mode hint. "app" unlocks the appFramework picker; otherwise this is metadata only.themestring 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".
list_render_options
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.
How to install
Open the flatwrite.md website and ask your browser agent to use list_render_optionsInstall browse first, then run the command in a terminal. WebMCP tools run directly on the website and do not need a package install.
Run with an agent
Use the list_render_options tool on flatwrite.md. Return the structured result and cite the source page.Input contract
get_document_state
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.
How to install
Open the flatwrite.md website and ask your browser agent to use get_document_stateInstall browse first, then run the command in a terminal. WebMCP tools run directly on the website and do not need a package install.
Run with an agent
Use the get_document_state tool on flatwrite.md. Return the structured result and cite the source page.Input contract
create_document
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.
How to install
Open the flatwrite.md website and ask your browser agent to use create_documentInstall browse first, then run the command in a terminal. WebMCP tools run directly on the website and do not need a package install.
Run with an agent
Use the create_document tool on flatwrite.md with markdown: <string>, title: <string>. Return the structured result and cite the source page.Input contract
markdownstring Optional initial markdown content for the new document.titlestring Optional title for the new document.
open_document
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.
How to install
Open the flatwrite.md website and ask your browser agent to use open_documentInstall browse first, then run the command in a terminal. WebMCP tools run directly on the website and do not need a package install.
Run with an agent
Use the open_document tool on flatwrite.md with url: <string>. Return the structured result and cite the source page.Input contract
urlstring URL of the markdown file or FlatWrite share link to open.
update_document_content
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.
How to install
Open the flatwrite.md website and ask your browser agent to use update_document_contentInstall browse first, then run the command in a terminal. WebMCP tools run directly on the website and do not need a package install.
Run with an agent
Use the update_document_content tool on flatwrite.md with markdown: <string>. Return the structured result and cite the source page.Input contract
markdownstring New markdown content for the document.
list_recent_documents
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.
How to install
Open the flatwrite.md website and ask your browser agent to use list_recent_documentsInstall browse first, then run the command in a terminal. WebMCP tools run directly on the website and do not need a package install.
Run with an agent
Use the list_recent_documents tool on flatwrite.md. Return the structured result and cite the source page.Input contract
render_markdown_preview
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.
How to install
Open the flatwrite.md website and ask your browser agent to use render_markdown_previewInstall browse first, then run the command in a terminal. WebMCP tools run directly on the website and do not need a package install.
Run with an agent
Use the render_markdown_preview tool on flatwrite.md with markdown: <string>. Return the structured result and cite the source page.Input contract
markdownstring Optional markdown to preview. If omitted, previews the current editor content.
export_document_html
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.
How to install
Open the flatwrite.md website and ask your browser agent to use export_document_htmlInstall browse first, then run the command in a terminal. WebMCP tools run directly on the website and do not need a package install.
Run with an agent
Use the export_document_html tool on flatwrite.md. Return the structured result and cite the source page.Input contract
export_document_pdf
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.
How to install
Open the flatwrite.md website and ask your browser agent to use export_document_pdfInstall browse first, then run the command in a terminal. WebMCP tools run directly on the website and do not need a package install.
Run with an agent
Use the export_document_pdf tool on flatwrite.md. Return the structured result and cite the source page.Input contract
create_share_link
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.
How to install
Open the flatwrite.md website and ask your browser agent to use create_share_linkInstall browse first, then run the command in a terminal. WebMCP tools run directly on the website and do not need a package install.
Run with an agent
Use the create_share_link tool on flatwrite.md. Return the structured result and cite the source page.Input contract
assist_document
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.
How to install
Open the flatwrite.md website and ask your browser agent to use assist_documentInstall browse first, then run the command in a terminal. WebMCP tools run directly on the website and do not need a package install.
Run with an agent
Use the assist_document tool on flatwrite.md with markdown: <string>, mode: <string>, instruction: <string>, selectionStart: <number>, selectionEnd: <number>, selectionText: <string>. Return the structured result and cite the source page.Input contract
markdownstring Full markdown document. Optional in the browser WebMCP path (defaults to the active editor). Required for server MCP.modestring Assist mode.instructionstring Freeform instruction. Required when mode is "custom".selectionStartnumber Optional selection start index (inclusive) within markdown.selectionEndnumber Optional selection end index (exclusive) within markdown.selectionTextstring Optional selection text (defaults to markdown.slice(start, end)).