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How to compare country coverage and delivery rates before ordering with MCP Server

Check how many countries and how many live numbers exist before spending balance.

Authorization notice. MCP Server is dual-use. Only use it on software, sites and systems you own or have explicit permission to test.

Who it is forAn operations analyst or agent builder who must choose a country and service for a verification workflow and wants evidence first.

The problemPrices and availability differ by country and service, and a wrong choice wastes balance or stalls the workflow.

The outcomeA short comparison showing the country list size, the matched service, its price, its online pool and its deliveredPercent where available.

What you need first

  • An SV Number account created at https://sms-verification-number.com/en/register/
  • An API key from https://sms-verification-number.com/en/user/profile/
  • A funded account balance, since the README says there is no free tier
  • An MCP-capable agent such as Claude Code, Codex, Cursor or Claude Desktop

Steps

  1. Add the server to your agent with the JSON config that uses npx -y sv-number-mcp and your SVN_API_KEY.
  2. Call list_countries and count the rows to check the coverage claim.
  3. Call list_services with the site name, for example discord.com, and read the matches.
  4. Compare deliveredPercent for each country. Where it is null, use online as the next signal.
  5. Call get_balance to confirm the funds cover the planned orders.

Prompt for your agent

Using the sv-number/mcp-server tools, call list_countries and report the number of rows, then call list_services for <site name> and compare deliveredPercent and online across the top matches. Expected output: a table of country and service options with price, online and deliveredPercent. Verify that every figure comes from a tool response and not from memory.

Caveat. The README says the catalogue is not the same in every country, so a service missing in one country may still be available in another.

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