ALT eSIM is an MCP server with 5 tools an agent can call, among them create_checkout, get_esim_plan, get_qr_code. It answers at https://altesim.com/api/mcp over streamable HTTP, and it listed its tools to an anonymous client, so no sign-in was needed for that. Our probes reached it 10 of 10 times since 4 September 2026; the last check, on 17 October 2026, succeeded.
Search & buy travel data eSIMs for 70+ destinations — pay by Stripe link, get the eSIM QR. USD.
Description as the publisher wrote it.
| Tool | What it does |
|---|---|
create_checkout | Create a secure Stripe payment link for an Alt eSIM plan. Returns a payment URL the BUYER opens to pay (the agent never handles card details) AND a checkout_session_id. After the buyer pays, call get_qr_code with that checkout_session_id to Inputs: sku_or_id, email, lang, customer_code |
get_esim_plan | Get one Alt eSIM plan by its sku or id. Returns full details: title, data amount, validity days, USD price, coverage carriers, product URL. Inputs: sku_or_id |
get_qr_code | Fetch the eSIM QR code(s) for an order, to show the buyer directly. Pass the checkout_session_id from create_checkout. Returns a clear `status`: 'awaiting_payment' (buyer has NOT paid — tell them to pay), 'processing' (paid, eSIM still prov Inputs: checkout_session_id |
list_destinations | List all Alt eSIM destinations (country/region slugs with English names and region). Use a slug as the 'country' argument for search_esim_plans. |
search_esim_plans | Search Alt eSIM travel data plans. Filter by destination country slug (e.g. 'japan', 'usa', 'europe'), region, and/or max USD price. Returns plans with sku, data amount, validity days, USD price and coverage carriers. All prices are USD. Inputs: country, region, max_price_usd |
Every block below points at https://altesim.com/api/mcp. Pick your client and copy.
claude mcp add --transport http alt-esim https://altesim.com/api/mcp
{
"mcpServers": {
"alt-esim": {
"command": "npx",
"args": ["-y", "mcp-remote", "https://altesim.com/api/mcp"]
}
}
}{
"mcpServers": {
"alt-esim": {
"url": "https://altesim.com/api/mcp"
}
}
}{
"servers": {
"alt-esim": {
"type": "http",
"url": "https://altesim.com/api/mcp"
}
}
}{
"context_servers": {
"alt-esim": {
"url": "https://altesim.com/api/mcp"
}
}
}{
"mcpServers": {
"alt-esim": {
"serverUrl": "https://altesim.com/api/mcp"
}
}
}{
"mcpServers": {
"alt-esim": {
"url": "https://altesim.com/api/mcp"
}
}
}name: ALT eSIM
version: 0.0.1
schema: v1
mcpServers:
- name: ALT eSIM
type: streamable-http
url: https://altesim.com/api/mcp{
"mcpServers": {
"alt-esim": {
"httpUrl": "https://altesim.com/api/mcp"
}
}
}{
"mcpServers": {
"alt-esim": {
"type": "http",
"url": "https://altesim.com/api/mcp"
}
}
}{
"mcpServers": {
"alt-esim": {
"url": "https://altesim.com/api/mcp"
}
}
}goose://extension?url=https%3A%2F%2Faltesim.com%2Fapi%2Fmcp&type=streamable_http&id=alt-esim&name=ALT%20eSIM
It answered our last check on 17 October 2026 in 460 ms. Over 10 checks since 4 September 2026 it answered 10. Status here comes from Neuronto's own probes, not from the publisher.
Yes. It is published by altesim.com and served from altesim.com, the vendor's own domain: https://altesim.com/api/mcp.
5, as returned by the server's own tools/list on 10 September 2026: create_checkout, get_esim_plan, get_qr_code, list_destinations, search_esim_plans.
It answered our last check on 17 October 2026 in 460 ms. Over 10 checks since 4 September 2026 it answered 10.
Put the server under mcpServers in ~/.cursor/mcp.json with the URL https://altesim.com/api/mcp. The exact JSON is above, with the same setup for Claude Code, Claude Desktop, VS Code, Windsurf, Zed, Gemini CLI and the rest.
It listed its tools to an anonymous client, so reading the tool list needs no key. Individual tools can still ask for credentials in their own inputs.
Publisher: com.altesim. Endpoint host: altesim.com. ARD identifier: urn:air:com.altesim:mcp:esim.
First indexed 31 August 2026. The tools are exactly what the server returned; nothing on this page
is inferred from its name. Ranking in Neuronto search is never for sale.