INDIVIDUAL MCP TOOL

check_device

Checks a phone model against the SimplySIM eSIM compatibility list.

simplysim.co.uknone authenticationAvailability not checked

LIVE ENDPOINT

https://simplysim.co.uk/mcp/chatgpt

No auth detected

Connect to this endpoint to inspect the live schema for check_device and invoke it with your own arguments.

{}

Inferred read-only · medium confidence · heuristic, not a guarantee.

No write-capable action terms were found; this is not proof that invocation has no side effects.

CONNECT WITH APPROVAL

Review this server and its permissions before adding it. Secret placeholders must be set locally.

Codex

~/.codex/config.toml

[mcp_servers.simplysim-chatgpt]
url = "https://simplysim.co.uk/mcp/chatgpt"
enabled = true

Claude Code

.mcp.json

{
  "mcpServers": {
    "simplysim-chatgpt": {
      "type": "http",
      "url": "https://simplysim.co.uk/mcp/chatgpt"
    }
  }
}

Claude Desktop

Settings → Connectors → Add custom connector

Name: simplysim-chatgpt
Remote MCP URL: https://simplysim.co.uk/mcp/chatgpt

Add this remote URL as a custom connector in Claude Desktop. Availability depends on the user plan and workspace policy.

Cursor

.cursor/mcp.json

{
  "mcpServers": {
    "simplysim-chatgpt": {
      "url": "https://simplysim.co.uk/mcp/chatgpt"
    }
  }
}

Visual Studio Code

.vscode/mcp.json

Add to Visual Studio Code

{
  "servers": {
    "simplysim-chatgpt": {
      "type": "http",
      "url": "https://simplysim.co.uk/mcp/chatgpt"
    }
  }
}

Generic MCP

Client-specific MCP configuration

{
  "name": "simplysim-chatgpt",
  "transport": "streamable-http",
  "url": "https://simplysim.co.uk/mcp/chatgpt"
}

MCP Inspector

Run the official MCP Inspector locally and enter the indexed Streamable HTTP endpoint.

search_destinations — Finds countries and regions (e.g.
get_plans — Lists the data-only eSIM plans that work in a destination, lowest price first: plan id, name, data (GB or unlimited), validity in days, price, currency, networks and product_url (the plan's page on simplysim.co.uk).
get_plan — Full details for one plan: price, data, validity, every covered country, the networks per country and product_url, the plan's page on simplysim.co.uk.