About codasms-mcp
codasms-mcp connects AI agents to the CODASMS Reseller API to obtain phone numbers and receive SMS verification codes. It wraps balance, service discovery, order polling, cancellation, and refund operations.
Key features
- 01View balance and available services
- 02Filter services and countries
- 03Purchase numbers with a price cap
- 04Poll orders for OTP codes
- 05Check order status or release orders
- 06Run over stdio or Streamable HTTP
Use cases
- 01Retrieve an SMS code for a service signup
- 02Check number availability by service and country
- 03Limit autonomous number purchases by price
- 04Host an HTTP endpoint where users supply their own API key
MCP support
Exposes CODASMS API operations as MCP tools for clients such as Claude Desktop and Cursor. It supports stdio and Streamable HTTP transports.
Configuration
Local server config is the same for every client. Copy it into your client’s MCP config file.
npx -y codasms-mcpCODASMS_API_KEYSecretYour coda_live_ reseller key from https://codasms.com/resellerCODASMS_MAX_PRICE_CENTSOptional cap (US cents) — get_number refuses numbers priced above this.Local servers need a runtime on your machine (e.g. Node.js 18+). Config file locations differ by client; see your client’s docs.
Tools
Local servers expose tools only once running on your machine, and the maintainer has not provided a tool list.
Details
From the project READMECODASMS 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.
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_otppolls no faster than once every 5s by default to stay well under it. - Money safety:
get_numberspends real balance the moment it's called. If no code arrives, the order auto-refunds after 20 minutes, or callreleaseto refund immediately. - Codes: services and countries use the API's codes (e.g.
tg,wa, country6) — uselist_services/list_countriesto discover them.
Develop
npm install
npm run build # tsc -> dist/
npm start # stdio
License
MIT — see LICENSE.
Comments
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From what the protocol is to installing your first server, these answers cover most first questions.
An open protocol that defines how AI applications connect to external tools and data in a uniform way. Clients talk to the model; MCP servers provide tools, resources and prompt templates. They exchange standard messages, so one server can be reused by many clients.