Emailmd vs Voidmob MCP

A side-by-side look at the Emailmd and Voidmob MCP 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 requiredVoidmob MCP logoVoidmob MCPCommunication · Local subprocess (stdio)Mobile proxies, SMS verifications, and global eSIM data plans for AI agents.59GoodAuth: not declared

Verdict: choose Emailmd for communication work as a local process; choose Voidmob MCP for communication as a local process. 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

Voidmob MCP logoChoose Voidmob MCP when

  • You need dedicated capabilities in the Communication domain.
  • You prefer a local stdio subprocess transport.
  • You have the keys it needs: VOIDMOB_API_KEY, VOIDMOB_READ_ONLY, VOIDMOB_MAX_ORDER_CENTS, VOIDMOB_BUDGET_CENTS.
  • You want tools like get_account, search_sms_services, rent_number.
Explore Voidmob MCP

Feature & specification comparison

Rows where the two servers differ are marked.

SpecEmailmd logoEmailmdVoidmob MCP logoVoidmob MCP
CategoryCommunicationCommunication
Quality signal64/100 · Good59/100 · Good
Install commandConfirmedConfirmed
TransportLocal subprocess (stdio)Local subprocess (stdio)
AuthNo auth requiredNot declared
PricingFreeNot declared
Required env varsNone listedVOIDMOB_API_KEYVOIDMOB_READ_ONLYVOIDMOB_MAX_ORDER_CENTSVOIDMOB_BUDGET_CENTS
Verified ownerCommunity listingCommunity listing
GitHub stars1,38228
Directory activity 3 views 0 installs 0 upvotes 2 views 0 installs 0 upvotes
ToolsNot listed30

Tools & capabilities

Emailmd tools

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

Voidmob MCP tools 30

  • get_accountBalance, rate limits, and account id
  • search_sms_servicesList services with prices
  • rent_numberRent a US number: one-time verification (15 min, refunded if no SMS) or long-term rental; takes `max_price_cents
  • get_rentalRead status, the latest code and received messages; `wait_seconds` waits for the code
  • cancel_rentalCancel a verification (before any SMS) or long-term rental (within 60 min), with a full refund
  • reuse_numberFree or paid reuse of an earlier verification's number (paid: `max_price_cents`)
  • re_rent_rentalRe-rent an expired long-term rental's number for another period; takes `max_price_cents
  • toggle_auto_renewTurn auto-renewal on or off (rentals and dedicated numbers)
  • search_dedicated_countriesCountries, monthly prices, and stock
  • purchase_dedicated_numberBuy a private all-services monthly number; takes `max_price_cents
  • get_dedicated_numberStatus and received SMS with parsed codes
  • search_esim_plansFind global data plans
  • +18 more on 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"
      ]
    }
  }
}

Voidmob MCP

mcpServers (Claude Desktop / Cursor)
{
  "mcpServers": {
    "voidmob-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@voidmob/mcp"
      ],
      "env": {
        "VOIDMOB_API_KEY": "YOUR_VOIDMOB_API_KEY_HERE",
        "VOIDMOB_READ_ONLY": "YOUR_VOIDMOB_READ_ONLY_HERE",
        "VOIDMOB_MAX_ORDER_CENTS": "YOUR_VOIDMOB_MAX_ORDER_CENTS_HERE",
        "VOIDMOB_BUDGET_CENTS": "YOUR_VOIDMOB_BUDGET_CENTS_HERE"
      }
    }
  }
}

Frequently asked questions

Emailmd is categorized under Communication and uses a local stdio subprocess. Voidmob MCP belongs to Communication and uses a local stdio subprocess. Pick Emailmd for communication work and Voidmob MCP 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. Voidmob MCP 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 voidmob-mcp 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. Voidmob MCP has 59/100 (Good) with 2 views, 0 installs and 28 GitHub stars.