# eSIM

> Use this tool when you need to manage and purchase UK domestic eSIM plans with real-time inventory checking, streamlining the acquisition of physical-backed UK mobile numbers for reliable connectivity. It solves problems related to complex checkout processes and limited mobile number availability, providing unlimited UK calls and texts. Ideal for setting up messaging services like WhatsApp and Telegram, this tool generates payment URLs for a simplified checkout experience.

Canonical page: https://skillsregistry.net/skills/secondsim-mcp-server  
JSON: https://api.skillsregistry.net/v1/skills/secondsim-mcp-server

## Description

Manage and purchase UK domestic eSIM plans with real-time inventory checking. Streamlines the acquisition of physical-backed UK mobile numbers for reliable connectivity. Simplifies the checkout process by generating payment URLs. Unlimited UK calls and texts to set up whatsapp, telegram and others.

## Trust

- **Trust score (0–1):** 0.50
- **Verification tier:** unverified

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** communication
- **Updated:** 2026-06-29

## Source

- **Source listing:** [Smithery](https://smithery.ai/server/secondsim/mcp-server)

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "secondsim-mcp-server"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/secondsim-mcp-server` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/secondsim-mcp-server/pull`

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SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt