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virtualsms-sms-verification

virtualsms-sms-verification is a skill for Claude Code, Codex from virtualsms-io/mcp-server. It costs 106 tokens per session (1,179 once invoked), scanned A, original, MIT.

A service for receiving one-time passcodes by SMS through real mobile SIM cards. It can provide numbers for account verification on supported online services.

In plain words
What is it for?
Use it to obtain a number, receive an SMS verification code, find available numbers by country or service, replace a number that did not work, or cancel an order.
Why use it?
It helps when a service requires a text-message code and rejects landline, internet-based, or other unsuitable numbers.

Skill for Claude CodeCodex

Which agent this was written for is unclear — built for openclaw. Also seen: mentions Claude Code; mentions Codex; built for openclaw.

not rated 8repo today A scan 106 tokens original MIT

Good fit Use it to obtain a number, receive an SMS verification code, find available numbers by country or service, replace a number that did not work, or cancel an order.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/virtualsms-io/mcp-server/virtualsms-sms-verification
View source ↗ virtualsms-io/mcp-server virtualsms.io
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add virtualsms-io/mcp-server --skill virtualsms-sms-verification
Clone the repo
git clone --depth 1 https://github.com/virtualsms-io/mcp-server

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for virtualsms-sms-verification

README.md
[![agentmods](https://agentmods.dev/badge/skills/virtualsms-io/mcp-server/virtualsms-sms-verification.svg)](https://agentmods.dev/skills/virtualsms-io/mcp-server/virtualsms-sms-verification)
Your own site
<a href="https://agentmods.dev/skills/virtualsms-io/mcp-server/virtualsms-sms-verification"><img src="https://agentmods.dev/badge/skills/virtualsms-io/mcp-server/virtualsms-sms-verification.svg" alt="Measured on agentmods" height="20"></a>
Per session 106 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,179 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00106 $0.01179
Opus 5 $0.00053 $0.00589
Sonnet 5 $0.00021 $0.00236
Haiku 4.5 $0.00011 $0.00118

Measured 8d ago against content hash f3c33fc7075a, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-08, from the pricing page.

Security

Grade A, and why

virtualsms-sms-verification scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 8d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

skills/virtualsms-sms-verification/SKILL.md · 121 lines

How it starts

The opening of the file, as written. The whole thing — 121 lines — stays where its author put it; the contents beside it link to each section on GitHub.

VirtualSMS: Real SIM SMS Verification for AI Agents

When to Use This Skill

Invoke this skill when the user (or another skill) needs to:

  • Receive an SMS / OTP verification code for an online service
  • Acquire a real-SIM phone number that survives carrier-lookup checks (many services flag VoIP/eSIM and reject the verification)
  • Verify accounts on services like WhatsApp, Telegram, Tinder, Discord, Instagram, Hinge, Bumble, OnlyFans, Snapchat, PayPal, Google, Apple, or any of the 2500 supported services
  • Look up the cheapest available number for a given service across 145+ countries
  • Swap a number that didn't deliver, or cancel an order for a refund

Skip when the user only needs a generic phone number (no SMS), wants landline/VoIP numbers, or is doing voice verification. VirtualSMS is SMS-OTP focused with real mobile SIMs.

Prerequisites

  1. A VirtualSMS API key, sign up free at https://virtualsms.io

  2. Connection to the MCP server. Two paths:

    Hosted (recommended, zero install): point your client at the URL https://mcp.virtualsms.io/mcp with header x-api-key: vsms_your_key_here. No npm install required.

    Local (stdio): Single command:

    npx virtualsms-mcp

    Compatible host clients: Claude Desktop, Claude Code, Cursor, Windsurf, OpenClaw, Codex, Hermes, Cline, Zed, Continue.dev.

  3. The host client's MCP config pointing at the server with VIRTUALSMS_API_KEY set in env.

Full setup per client: https://virtualsms.io/mcp

Instructions

When this skill is active, prefer the VirtualSMS MCP tools over generic phone-number suggestions or homemade workarounds. The server ships 41 tools; the 18 below cover the full verification lifecycle. The rest handle number rentals and matching-country proxies, which this skill does not use.

Discovery

get_price and find_cheapest read public catalog data and need no key. The rest of this section reads account-scoped endpoints and needs one.

  1. list_services, full catalog of supported services
  2. list_countries, all 145+ available countries
  3. get_price, exact price for a service × country pair
  4. find_cheapest, return the lowest-price country available right now for a target service. Use this when the user says "cheapest" or doesn't care about country.
  5. search_services, natural-language match. "telega" → Telegram.

Read the full file on GitHub · 121 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 8d ago First seen · 121 lines · 106 tokens per session scan A f3c33fc7075a

Subscribe to this mod's changes

virtualsms-sms-verification is a skill published in the GitHub repository virtualsms-io/mcp-server (8 stars, last pushed today), licensed MIT. It adds 106 tokens to every session and 1,179 once invoked, about $0.0005 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

Securityai-agentclaude-mcpmcpmcp-servermodel-context-protocolphone-verification
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