Voidmob MCP vs Emailmd
A side-by-side look at the Voidmob MCP and Emailmd MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
Verdict: choose Voidmob MCP 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?
Choose 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.
Choose 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.
Feature & specification comparison
Rows where the two servers differ are marked.
| Spec | ||
|---|---|---|
| Category | Communication | Communication |
| Quality signal | 59/100 · Good | 64/100 · Good |
| Install command | Confirmed | Confirmed |
| Transport | Local subprocess (stdio) | Local subprocess (stdio) |
| Auth | Not declared | No auth required |
| Pricing | Not declared | Free |
| Required env vars | VOIDMOB_API_KEYVOIDMOB_READ_ONLYVOIDMOB_MAX_ORDER_CENTSVOIDMOB_BUDGET_CENTS | None listed |
| Verified owner | Community listing | Community listing |
| GitHub stars | 28 | 1,383 |
| Directory activity | 2 views 0 installs 0 upvotes | 3 views 0 installs 0 upvotes |
| Tools | 30 | Not listed |
| Full listing | View Voidmob MCP | View Emailmd |
Tools & capabilities
Voidmob MCP tools 30
get_accountBalance, rate limits, and account idsearch_sms_servicesList services with pricesrent_numberRent a US number: one-time verification (15 min, refunded if no SMS) or long-term rental; takes `max_price_centsget_rentalRead status, the latest code and received messages; `wait_seconds` waits for the codecancel_rentalCancel a verification (before any SMS) or long-term rental (within 60 min), with a full refundreuse_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_centstoggle_auto_renewTurn auto-renewal on or off (rentals and dedicated numbers)search_dedicated_countriesCountries, monthly prices, and stockpurchase_dedicated_numberBuy a private all-services monthly number; takes `max_price_centsget_dedicated_numberStatus and received SMS with parsed codessearch_esim_plansFind global data plans- +18 more on 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.
Voidmob MCP
{
"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"
}
}
}
}
Emailmd
{
"mcpServers": {
"anypost-emailmd": {
"command": "npx",
"args": [
"-y",
"emailmd"
]
}
}
}
Frequently asked questions
Voidmob MCP is categorized under Communication and uses a local stdio subprocess. Emailmd belongs to Communication and uses a local stdio subprocess. Pick Voidmob MCP 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.
Voidmob MCP 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 voidmob-mcp and anypost-emailmd as separate keys in the same mcpServers object, and your assistant will call tools from either one.
On AllMCPs, Voidmob MCP has a quality signal of 59/100 (Good) with 2 views, 0 installs and 28 GitHub stars. Emailmd has 64/100 (Good) with 3 views, 0 installs and 1,383 GitHub stars.