MCP server

ALT eSIM Official

com.altesim/esim

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

Search & buy travel data eSIMs for 70+ destinations — pay by Stripe link, get the eSIM QR. USD.

Working at last checkVerified publisher: altesim.comAbout 955 tokens per request once connected5 tools

https://altesim.com/api/mcp

At a glance

Type: MCP server
Publisher: altesim.com (verified by the MCP Registry)
Status: Working at last check
Tools: 5
Token cost: About 955 tokens per request
Sets up in: Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok
Last checked: 26 Oct 2026, 08:29 UTC

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http esim https://altesim.com/api/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.esim]
url = "https://altesim.com/api/mcp"

Gemini CLI

{"mcpServers":{"esim":{"httpUrl":"https://altesim.com/api/mcp"}}}

Cursor

{"mcpServers":{"esim":{"url":"https://altesim.com/api/mcp"}}}

VS Code

{"servers":{"esim":{"type":"http","url":"https://altesim.com/api/mcp"}}}

Antigravity

agy mcp add esim https://altesim.com/api/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"esim","server_url":"https://altesim.com/api/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"esim","server_url":"https://altesim.com/api/mcp"}

create_checkout Moves money · ~353 tokens
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 fetch the eSIM QR and show it to the buyer. The QR is also
get_esim_plan ~99 tokens
Get one Alt eSIM plan by its sku or id. Returns full details: title, data amount, validity days, USD price, coverage carriers, product URL.
get_qr_code ~236 tokens
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 provisioning — retry in ~30s), 'manual_review' (paid, activation
list_destinations ~68 tokens
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 ~199 tokens
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.

eSIM Tabby
Buy and manage travel eSIM data plans in the conversation. Pay by card (Stripe) or USDC over x402.
haalaan China eSIM
Browse haalaan China, Hong Kong, Macau and Greater China eSIM plans in USD. Get a checkout link.
eSIM SOS
Find travel eSIM plans, compare prices and create an order the user pays by link.
eSIMpass
Travel eSIMs for 200+ countries: live prices, phone check, checkout link, one-tap install.
Roam2Go eSIM Catalog
Search travel eSIM data plans for 230+ destinations with live prices and purchase links.
Siima eSIM
Search travel eSIM plans for 150+ countries and buy via Stripe link; eSIM QR delivered by email.
e-eSIM Catalog
Search travel eSIM data plans worldwide with live prices, plan details and a buy link.
eSIM-Global.VIP eSIM Catalog
Find prepaid travel eSIM plans for 200+ destinations with live prices, specs and a buy link.

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