Smails vs Emailmd

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

Smails logoSmailsCommunication · Local subprocess (stdio)Disposable email for AI agents: create a throwaway inbox and read verification emails over MCP.44FairAuth: not declaredEmailmd 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 required

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

Which MCP server should you choose?

Smails logoChoose Smails when

  • You need dedicated capabilities in the Communication domain.
  • You prefer a local stdio subprocess transport.
Explore Smails

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

Feature & specification comparison

Rows where the two servers differ are marked.

SpecSmails logoSmailsEmailmd logoEmailmd
CategoryCommunicationCommunication
Quality signal44/100 · Fair64/100 · Good
Install commandConfirmedConfirmed
TransportLocal subprocess (stdio)Local subprocess (stdio)
AuthNot declaredNo auth required
PricingNot declaredFree
Required env varsNone listedNone listed
Verified ownerCommunity listingCommunity listing
GitHub stars391,383
Directory activity 2 views 0 installs 0 upvotes 3 views 0 installs 0 upvotes
ToolsNot listedNot listed

Tools & capabilities

Smails tools

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

Emailmd 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.

Smails

mcpServers (Claude Desktop / Cursor)
{
  "mcpServers": {
    "smails": {
      "command": "npx",
      "args": [
        "-y",
        "@smails/cli"
      ]
    }
  }
}

Emailmd

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

Frequently asked questions

Smails is categorized under Communication and uses a local stdio subprocess. Emailmd belongs to Communication and uses a local stdio subprocess. Pick Smails for communication work and Emailmd 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.

Smails has no declared pricing — check the project's own site. Emailmd is listed as free. Auth: no auth required. 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 smails and anypost-emailmd as separate keys in the same mcpServers object, and your assistant will call tools from either one.

On AllMCPs, Smails has a quality signal of 44/100 (Fair) with 2 views, 0 installs and 39 GitHub stars. Emailmd has 64/100 (Good) with 3 views, 0 installs and 1,383 GitHub stars.