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AnonymSMS is now asms.ai MCP server

Which MCP servers are AnonymSMS is now asms.ai's own, from the official registry and from asking its own domain, whether they answer, and what they offer. A program checked each of these, nobody copied them from a product page.

read 2026-10-30

← Back to AnonymSMS is now asms.ai

Whose server it is
  • Registry nameai.asms/asmsverified in the MCP registry

The registry name sits under asms.ai. The registry only lets a publisher use that namespace after proving control of the domain through DNS or HTTP.

When we asked itchecked 2026-10-30
  • Stateanswerschecked 2026-10-30
  • Tools12
  • Server calls itselfasms
  • Server version1.1.0
  • Protocol version2025-06-18

On 2026-10-30 the server answered initialize and tools/list without a sign-in. First answer in 215 ms.

Should an agent connect itNot proven either way yet
  • Its tools do every use case we checked: Receive one-time SMS codes for account verification; Let AI agents buy a number and read codes; Test sign-ups across many platforms with disposable numbers.
  • Checked on 4 of the 7 days it takes to judge reliability.

Once connected

  • For "Receive one-time SMS codes for account verification", the likely first call is create_otp_order.
  • create_otp_order, cancel_order, cancel_rental change data without a sign-in: anyone with the address can call them.

Said by rules from the measurements above. The likely first call is a model's pick from the tool list; read its description before relying on it.

Measured dailydaily checks: 4, the first on 2026-10-30
  • INITE MCP scoreafter a weeka score needs 7 daily checks: 4 so far
  • What an agent can do with it3 of 3 use cases
  • Answeredmeasuring4 of the 7 daily checks it takes to print a share
  • Median first answer293 ms
  • Space in an agent's context≈ 1,954 tokensthe definitions of all its tools (12), which an agent carries on every turn
  • Tool definitionsA · 100 of 100
  • Typed results0 of 12 toolsdeclared outputSchema: results come typed, read once
  • Every tool passes all six checks.

What an agent can do with it

  • can do · Receive one-time SMS codes for account verification
  • can do · Let AI agents buy a number and read codes
  • can do · Test sign-ups across many platforms with disposable numbers

Each of the product's use cases, put to Jev against this server's tool list: can an agent do it with these tools?

Worth a look

  • Tools that change data, on a server that answers without a sign-in: create_otp_order, cancel_order, cancel_rental

A program checks the server once a day: initialize and tools/list, no model. Tokens are the definitions' length at about four characters a token. The grade averages six checks of every tool's name, description, schema and annotations; it says how well the tools are described, not whether they work. The score weighs what was measured and nothing else: answering (25%), doing the product's job (25%), definitions (20%), context (10%), use (10%) and how readily a client connects (10%). A part that was not measured is left out, and a hidden instruction caps the score at 40. The state of vendors' MCP servers: method and numbers →

Tools it offers12 tools · read 2026-10-30
  • get_balance

    Get the current wallet balance for the authenticated account.

  • get_pricing

    Get the retail price per OTP activation for a service in a country. Omit `service` to list prices for every available service.

  • get_inventory

    Get how many numbers are in stock for a service in a country. Omit `service` to list stock for every available service.

  • create_otp_order

    Buy a number to receive an OTP: allocates a number, debits the wallet, and returns an orderId + phoneNumber. Then poll with poll_sms. If no code arrives, do NOT cancel to retry: simply call create_otp_order again for a fresh number and…

  • poll_sms

    Check for the SMS / OTP code on an order. Returns the code once it has arrived, otherwise an empty result: poll again after a few seconds. If nothing lands after a minute or two, the fastest path is to order a fresh number with…

  • list_active_orders

    List recent OTP orders for the account (awaiting a code or already received).

  • cancel_order

    Rarely needed. To retry a verification do NOT cancel: just call create_otp_order again, because every unfilled order auto-refunds within 10 minutes on its own, and cancel is blocked for the first 10 minutes anyway. Only use this to…

  • get_rental_offers

    List the rental periods and prices for a country (1 day to 12 months). A rented number is yours for the whole period and receives every SMS sent to it, unlike an OTP order, which is for one code. Omit `country` to list the countries…

  • rent_number

    Rent a phone number in a country for a period (get the periods and prices from get_rental_offers first). Debits the wallet and returns the number and when the rental ends. Read its SMS with read_rental_sms. WARNING: this spends real…

  • list_rentals

    List the account's rented numbers with their country, period and end date. Ended rentals are left out unless `includeEnded` is true.

  • read_rental_sms

    Read the SMS a rented number has received during this rental, newest first. Poll again every few seconds while waiting for a message.

  • cancel_rental

    Cancel a rented number and refund it. Only possible between 5 and 120 minutes after renting, and only if the number has received no SMS; after that the rental runs to its end date.

How to connect

Add the server to your MCP client config. Claude Desktop, Cursor and most other clients read this shape:

{
  "mcpServers": {
    "asms": {
      "type": "http",
      "url": "https://asms.ai/mcp"
    }
  }
}

Add it

Claude Code, in a terminal

claude mcp add --transport http asms https://asms.ai/mcp

Add to CursorAdd to VS Code

claude.ai, ChatGPT and other clients: add https://asms.ai/mcp as a custom connector in the settings.

Each line is something a program found when it went looking: the registry entry, the server's own answer, a spec that parses. A missing line means we did not find it, not that it does not exist.