Emailmd vs Groundmail

A side-by-side look at the Emailmd and Groundmail MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.

Emailmd logoEmailmdCommunication · Local subprocess (stdio)Write and preview emails from your assistant. Renders markdown into email-safe HTML that holds up in Outlook and Gmail, lints drafts for deliverability problems, and returns a live preview link. Hosted with no API key, or run it locally with npx emailmd mcp.64GoodAuth: no auth requiredGroundmail logoGroundmailCommunication · Remote HTTP/SSESend transactional email and manage domains, templates, webhooks and suppressions with Groundmail.58GoodAuth: not declared

Verdict: choose Emailmd for communication work as a local process; choose Groundmail for communication over a hosted endpoint. You can also run both side by side in one mcpServers block.

Which MCP server should you choose?

Emailmd logoChoose Emailmd when

  • You need dedicated capabilities in the Communication domain.
  • You prefer a local stdio subprocess transport.
  • Its auth model fits you: No auth required.
Explore Emailmd

Groundmail logoChoose Groundmail when

  • You need dedicated capabilities in the Communication domain.
  • You prefer a remote HTTP/SSE transport.
  • You have the keys it needs: GROUNDMAIL_API_KEY, GROUNDMAIL_API_URL.
Explore Groundmail

Feature & specification comparison

Rows where the two servers differ are marked.

SpecEmailmd logoEmailmdGroundmail logoGroundmail
CategoryCommunicationCommunication
Quality signal64/100 · Good58/100 · Good
Install commandConfirmedConfirmed
TransportLocal subprocess (stdio)Remote HTTP/SSE
AuthNo auth requiredNot declared
PricingFreeNot declared
Required env varsNone listedGROUNDMAIL_API_KEYGROUNDMAIL_API_URL
Verified ownerCommunity listingCommunity listing
GitHub stars1,3820
Directory activity 3 views 0 installs 0 upvotes 0 views 0 installs 0 upvotes
ToolsNot listedNot listed

Tools & capabilities

Emailmd tools

No tool names declared yet. Check the project README from the listing page.

Groundmail tools

No tool names declared yet. Check the project README from the listing page.

Ready-to-paste client configs

Paste either block (or both) into your client config, e.g. claude_desktop_config.json or ~/.cursor/mcp.json. We only show a config when the install command is confirmed.

Emailmd

mcpServers (Claude Desktop / Cursor)
{
  "mcpServers": {
    "anypost-emailmd": {
      "command": "npx",
      "args": [
        "-y",
        "emailmd"
      ]
    }
  }
}

Groundmail

mcpServers (Claude Desktop / Cursor)
{
  "mcpServers": {
    "groundmail": {
      "command": "npx",
      "args": [
        "-y",
        "groundmail-mcp"
      ],
      "env": {
        "GROUNDMAIL_API_KEY": "YOUR_GROUNDMAIL_API_KEY_HERE",
        "GROUNDMAIL_API_URL": "YOUR_GROUNDMAIL_API_URL_HERE"
      }
    }
  }
}

Frequently asked questions

Emailmd is categorized under Communication and uses a local stdio subprocess. Groundmail belongs to Communication and uses a remote HTTP/SSE transport. Pick Emailmd for communication work and Groundmail for communication.

Copy the mcpServers block from the config section on this page into your client's config (for example claude_desktop_config.json or ~/.cursor/mcp.json), then fully restart the client.

Emailmd is listed as free. Auth: no auth required. Groundmail has no declared pricing — check the project's own site. If a server needs environment variables such as API keys, define them under the env key in your client's MCP config.

Yes. MCP clients support multiple servers: add anypost-emailmd and groundmail as separate keys in the same mcpServers object, and your assistant will call tools from either one.

On AllMCPs, Emailmd has a quality signal of 64/100 (Good) with 3 views, 0 installs and 1,382 GitHub stars. Groundmail has 58/100 (Good) with 0 views, 0 installs and 0 GitHub stars.