# emailmd (slim)

> emailmd, an MCP server by emailmd.dev, listed from the official MCP registry. Indexed, not reviewed: facts and our own checks, no score or ranking. Render markdown into email-safe HTML, lint drafts for deliverability problems, and preview emails.

- Full: https://www.anchorterminal.com/tools/emailmd.md (~750 tokens) · this version ~680 tokens · JSON https://www.anchorterminal.com/tools/emailmd.json · canonical https://www.anchorterminal.com/tools/emailmd
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-04

# emailmd

> Indexed, not reviewed: facts from the official MCP registry and our own checks. No score, grade or rank, and not in the rankings until the panel reviews it. How the index works: https://www.anchorterminal.com/indexed/

- Kind: MCP server, by emailmd.dev (https://emailmd.dev)
- Category: Email delivery APIs (https://www.anchorterminal.com/categories/email.md)
- Listed because: It's published in the registry under emailmd.dev, a namespace the registry only gives to whoever proves they control that domain. It's in real use: 9,286 npm downloads a week, 1,381 GitHub stars.
- What the official MCP registry says: Render markdown into email-safe HTML, lint drafts for deliverability problems, and preview emails.

## Facts

- MCP registry: `dev.emailmd/emailmd` 0.11.1
- Endpoint: https://www.emailmd.dev/api/mcp (streamable HTTP)
- Package: npm `emailmd` (stdio)
- Source: https://github.com/anypost/emailmd
- npm downloads a week: 9,286
- GitHub stars: 1,381
- Registry entry updated: 2026-10-02

## Tools

- Tools it lists (3, about 647 tokens of context, `tools/list` without credentials over MCP 2025-11-25, checked 2026-10-04 22:24 UTC):
  - `render`: Render emailmd markdown into email-safe HTML. Returns html (the complete email document), text (the plain-text MIME part), meta (frontmatter), warnings…
  - `lint`: Check emailmd markdown for deliverability, accessibility, and readability problems without rendering it: missing alt text, http:// links, Gmail's 102KB clip…
  - `read_docs`: 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',…
- How its tools read to an agent (0 errors, 3 warnings, 1 note, about 647 tokens; rules at https://www.anchorterminal.com/check.md; not part of the score):
  - warn TC16 lint: no readOnlyHint or destructiveHint
  - warn TC16 read_docs: no readOnlyHint or destructiveHint
  - warn TC16 render: no readOnlyHint or destructiveHint
  - note TC24 server: 3 of 3 tools have no outputSchema

- JSON: https://www.anchorterminal.com/api/v1/tools/emailmd.json
- Being indexed says nothing about quality, and nobody can pay for it. Ask for a review: https://www.anchorterminal.com/builders/#claiming