Groundmail vs Mailtea

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

Groundmail logoGroundmailCommunication · Remote HTTP/SSESend transactional email and manage domains, templates, webhooks and suppressions with Groundmail.58GoodAuth: not declaredMailtea logoMailteaCommunication · Local subprocess (stdio)Send email and newsletters with Mailtea over MCP, plus skills for email and website design.45FairAuth: not declared

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

Which MCP server should you choose?

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

Mailtea logoChoose Mailtea when

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

Feature & specification comparison

Rows where the two servers differ are marked.

SpecGroundmail logoGroundmailMailtea logoMailtea
CategoryCommunicationCommunication
Quality signal58/100 · Good45/100 · Fair
Install commandConfirmedConfirmed
TransportRemote HTTP/SSELocal subprocess (stdio)
AuthNot declaredNot declared
PricingNot declaredNot declared
Required env varsGROUNDMAIL_API_KEYGROUNDMAIL_API_URLNone listed
Verified ownerCommunity listingCommunity listing
GitHub stars00
Directory activity 0 views 0 installs 0 upvotes 1 views 0 installs 0 upvotes
ToolsNot listedNot listed

Tools & capabilities

Groundmail tools

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

Mailtea 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.

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"
      }
    }
  }
}

Mailtea

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

Frequently asked questions

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

Groundmail has no declared pricing — check the project's own site. Mailtea 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 groundmail and mailtea as separate keys in the same mcpServers object, and your assistant will call tools from either one.

On AllMCPs, Groundmail has a quality signal of 58/100 (Good) with 0 views, 0 installs and 0 GitHub stars. Mailtea has 45/100 (Fair) with 1 views, 0 installs and 0 GitHub stars.