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CODASMS MCP Server

Receive one-time SMS/OTP verification codes from your AI agent. An MCP server over the CODASMS Reseller API — get a number, wait for the code, release it — across 700+ services and 180+ countries, pay only on delivery.

 

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This server lets an AI agent (Claude Desktop, Cursor, or anything that speaks MCP) buy a phone number and read the verification code programmatically. It's a thin wrapper over the public CODASMS Reseller API — it holds no logic of its own; every charge and refund is decided server-side by the API.

You bring your own key. Getting one is free to sign up: https://codasms.com/reseller.

Tools

Tool	What it does
get_balance	Your current spendable balance.
list_services	Buyable services with live price + stock (filter by service / country).
list_countries	Countries with buyable numbers (optional service filter).
get_number	Buy a number for a service+country. Charges your balance (auto-refunds if no code in 20 min).
wait_for_otp	Poll an order until the code arrives (or timeout / refund).
check_order	One-shot status check for an order.
release	Cancel an order and refund now (unless the code already arrived).

get_number accepts an optional max_price_cents (or set CODASMS_MAX_PRICE_CENTS) so an autonomous agent can't buy a number priced above your cap.

Quick start (local / stdio)

export CODASMS_API_KEY=coda_live_xxxxxxxx   # from https://codasms.com/reseller
npx codasms-mcp

Claude Desktop

Add to claude_desktop_config.json:

{
  "mcpServers": {
    "codasms": {
      "command": "npx",
      "args": ["-y", "codasms-mcp"],
      "env": { "CODASMS_API_KEY": "coda_live_xxxxxxxx" }
    }
  }
}

Then ask: "Get me a Telegram number in the UK and read the code."

Remote (HTTP) mode

The same tools are served over Streamable HTTP, so you can host one instance for many users — each sends their own key as a Bearer token (nothing is stored server-side):

npm run build && npm run start:http     # listens on :8080, POST /mcp

POST /mcp
Authorization: Bearer coda_live_xxxxxxxx
Content-Type: application/json

src/http.ts is a portable Node server (Deno Deploy, Railway, Fly, any container). For Cloudflare Workers, swap the Node http handler for a fetch handler — the server factory in src/server.ts is transport-agnostic and stays unchanged.

Configuration

Env var	Purpose	Default
CODASMS_API_KEY	Your coda_live_ reseller key (stdio mode).	— (required)
CODASMS_API_BASE	API base URL.	https://api.codasms.com
CODASMS_MAX_PRICE_CENTS	Global cap for get_number, in US cents.	unset
PORT	HTTP mode port.	8080

Notes

• Rate limit: the API allows 60 requests/min per key; wait_for_otp polls no faster than once every 5s by default to stay well under it.
• Money safety: get_number spends real balance the moment it's called. If no code arrives, the order auto-refunds after 20 minutes, or call release to refund immediately.
• Codes: services and countries use the API's codes (e.g. tg, wa, country 6) — use list_services / list_countries to discover them.

Develop

npm install
npm run build      # tsc -> dist/
npm start          # stdio

License

MIT — see LICENSE.