emailmd
anypost/emailmd
Render markdown into email-safe HTML, lint drafts for deliverability problems, and preview emails.
- GitHub stars
- 1.4K
- tools
- 3
- transport
- STDIO, HTTP
- last updated
- Oct 6, 2026
Install
From registry metadata$ npx add-mcp https://www.emailmd.dev/api/mcp --name emailmdRun in your terminal. add-mcp asks which agents to add it to (Claude Code, Codex, Cursor and more). Add -g to install it for every project.
Review the command, arguments and environment values before installing. MCP servers run with your local permissions.
Other ways
Claude Code
$ claude mcp add --transport http emailmd https://www.emailmd.dev/api/mcpRun in your terminal. Add --scope user to make it available in every project.
Tools
Verified live · 3 toolsVerified live against the running server on Nov 6, 2026.
renderRender emailmd markdown into email-safe HTML. Returns html (the complete email document), text (the plain-text MIME part), meta (frontmatter), warnings (non-fatal repairs made while rendering; aim for none), htmlBytes, and previewUrl (a live browser preview of this exact docum...3 params
Render emailmd markdown into email-safe HTML. Returns html (the complete email document), text (the plain-text MIME part), meta (frontmatter), warnings (non-fatal repairs made while rendering; aim for none), htmlBytes, and previewUrl (a live browser preview of this exact docum...
Parameters* required
markdown*stringThe emailmd markdown document, optionally starting with YAML frontmatter.
minifybooleanMinify the HTML. Recommended for sending; helps stay under Gmail's 102KB clip limit.
partialsobjectNamed markdown partials spliced in wherever the document says "::: include <name>".
lintCheck emailmd markdown for deliverability, accessibility, and readability problems without rendering it: missing alt text, http:// links, Gmail's 102KB clip limit, generic link text, spam-trigger phrases, and more. Fix warnings before sending; suggestions are sometimes intenti...2 params
Check emailmd markdown for deliverability, accessibility, and readability problems without rendering it: missing alt text, http:// links, Gmail's 102KB clip limit, generic link text, spam-trigger phrases, and more. Fix warnings before sending; suggestions are sometimes intenti...
Parameters* required
markdown*stringThe emailmd markdown document, optionally starting with YAML frontmatter.
partialsobjectNamed markdown partials spliced in wherever the document says "::: include <name>".
read_docsFetch emailmd documentation from emailmd.dev. Call with no arguments for the index of all pages; pass page to read one (e.g. 'buttons', 'frontmatter', 'theme', 'directives/hero'). Read the relevant page before using syntax you are not sure about.1 params
Fetch emailmd documentation from emailmd.dev. Call with no arguments for the index of all pages; pass page to read one (e.g. 'buttons', 'frontmatter', 'theme', 'directives/hero'). Read the relevant page before using syntax you are not sure about.
Parameters* required
pagestringDocs page path, e.g. 'buttons' or 'directives/hero'. Omit for the index.
Sponsors
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emailmd
Write markdown. Ship emails. No HTMHELL.
emailmd converts markdown into responsive, email-safe HTML that works across Gmail, Outlook, Apple Mail, Yahoo, and every other client.
Install
npm install emailmd
Quick Start
import { render } from "emailmd";
const { html, text } = await render(`
# Welcome!
Thanks for signing up.
[Get Started](https://example.com){button}
`);
// html → complete email-safe HTML
// text → plain text version for text/plain MIME part
v0.3.0 migration:
render()is now async. Update calls fromrender(md)toawait render(md). Requires Node 20+ (MJML 5).
Charts & Data
Bar charts, progress meters, sparklines, KPI tiles, step trackers, and star ratings, each written as a plain markdown list:
::: chart
- Spotify: 16,900
- Apple Podcasts: 12,400
- Web player: 6,200
- RSS: 2,900
:::
Details
- Repository
- github.com/anypost/emailmd
- Categories
- Communication & Messaging, Design & Creative, Documents & Knowledge
- Package
emailmd- Transport
- STDIO, HTTP
- Registry
- MCP registry, active
- Tools verified
- Nov 6, 2026
