MCP server

emailmd Official

dev.emailmd/emailmd

Checked 25 Oct 2026, 20:29 UTC · Connected to it and listed its tools

Render markdown into email-safe HTML, lint drafts for deliverability problems, and preview emails.

Source

At a glance

Type

MCP server

Publisher

emailmd.dev (verified by the MCP Registry)

Status

Working at last check

Tools

3

Token cost

About 685 tokens per request

Sets up in

Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok

Last checked

25 Oct 2026, 20:29 UTC

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http emailmd https://www.emailmd.dev/api/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.emailmd]
url = "https://www.emailmd.dev/api/mcp"

Gemini CLI

{"mcpServers":{"emailmd":{"httpUrl":"https://www.emailmd.dev/api/mcp"}}}

Cursor

{"mcpServers":{"emailmd":{"url":"https://www.emailmd.dev/api/mcp"}}}

VS Code

{"servers":{"emailmd":{"type":"http","url":"https://www.emailmd.dev/api/mcp"}}}

Antigravity

agy mcp add emailmd https://www.emailmd.dev/api/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"emailmd","server_url":"https://www.emailmd.dev/api/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"emailmd","server_url":"https://www.emailmd.dev/api/mcp"}

Tools

• lint ~250 tokens
  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 intentional (e.g. transactiona
• read_docs ~157 tokens
  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.
• render ~278 tokens
  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 document to share with the u

Browse

• Converting to Markdown
• Email

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