Server data from the Official MCP Registry
Travel eSIMs for 193 countries. Stripe + Bitcoin checkout. QR by email in 30s. No API key.
About
Travel eSIMs for 193 countries. Stripe + Bitcoin checkout. QR by email in 30s. No API key.
Security Report
This MCP server is well-designed with appropriate security practices for its stated purpose. It wraps a public eSIM commerce API without storing credentials, implements proper error handling, and uses only standard dependencies. Minor code quality improvements around input validation and logging are recommended, but no security vulnerabilities were identified. Supply chain analysis found 3 known vulnerabilities in dependencies (2 critical, 1 high severity). Package verification found 1 issue.
3 files analyzed · 8 issues found
Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.
Permissions Required
This plugin requests these system permissions. Most are normal for its category.
How to Install
Add this to your MCP configuration file:
{
"mcpServers": {
"com-worldcitisim-mcp-esim": {
"args": [
"-y",
"@worldcitisim/mcp-esim"
],
"command": "npx"
}
}
}Documentation
View on GitHubFrom the project's GitHub README.
@worldcitisim/mcp-esim
MCP server that lets Claude and other MCP-compatible agents search and buy WorldCitiSim eSIM plans. Wraps https://shop.worldcitisim.com/wp-json/esim/v1/*.
Install
Claude Desktop / Claude Code
claude mcp add --scope user wcs-esim npx -y @worldcitisim/mcp-esim
Or paste into ~/Library/Application Support/Claude/claude_desktop_config.json:
{
"mcpServers": {
"worldcitisim-esim": {
"command": "npx",
"args": ["-y", "@worldcitisim/mcp-esim"]
}
}
}
Cursor / Windsurf / other MCP clients
Same shape — command: "npx", args: ["-y", "@worldcitisim/mcp-esim"].
ChatGPT Developer Mode
Settings → Developer Mode → Add MCP server → same npx command.
Tools exposed
| Tool | Purpose |
|---|---|
esim_search_plans | Filter catalog by country / region / days / GB. Returns matching plans with their first 5 variations. |
esim_get_plan | Fetch one plan by slug with all variations. |
esim_create_order | Create a pending order. payment_method: "stripe" (default) returns a Stripe Checkout URL for the user to tap; payment_method: "btc" returns an on-chain btc block (address + amount + QR) to show the user directly. Both return an order_token for polling. |
esim_check_order | Poll an order's status. Returns activation data (ICCID, QR URL) once payment clears. |
Example interaction
User: I'm going to Japan for 10 days, what eSIM should I get?
Claude calls: esim_search_plans({ country: "japan", min_days: 7, max_days: 15 })
→ returns matching plans with variations priced and in stock.
Claude picks the best match, presents 2–3 options to the user.
User: the 10GB one
Claude: "Pay by card or Bitcoin?"
User: card
Claude calls: esim_create_order({ email: "user@example.com", variation_id: 44941 })
→ returns { order_id, order_token, payment_link_url }.
Claude: "Tap this link to pay: <Stripe URL>. You'll get the eSIM QR in your email within ~30 seconds."
User pays. Claude optionally polls esim_check_order until status=completed.
For Bitcoin, Claude calls esim_create_order({ ..., payment_method: "btc" }) and gets back a
btc block — { address, sats_amount, btc_amount, qr_data_uri, expires_at } — which it shows
the user to pay from any on-chain wallet. No redirect. If BTC is declined for a small order
during a network-fee spike, the call returns a btc_unavailable error and Claude offers card
instead. Either way, esim_check_order polls until status=completed.
Environment
WCS_ESIM_API_BASE— override the API base URL. Default:https://shop.worldcitisim.com/wp-json/esim/v1.
Runtime
- Node 20.11+ (for native fetch + ESM).
- No secrets. No Stripe credentials touch this process. Payment happens on Stripe's hosted checkout page; the MCP just hands the agent the URL.
- Catalog is client-side cached 5 minutes + ETag-aware; multiple search calls within a minute don't hit the network.
Development
npm install
npm run dev # stdio MCP server on this terminal
npm run build # compile to dist/
Point a Claude Code session at the local dev build:
claude mcp add wcs-esim-dev node "$(pwd)/dist/index.js"
Related
- WorldCitiSim — eSIM travel service for 193 countries.
- WorldCitiSim eSIM API — OpenAPI 3.1 spec the server wraps.
License
MIT
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