e-eSIM Catalog
Search travel eSIM data plans worldwide with live prices, plan details and a buy link.
What it can do
What data it sees
Do you need an account
No: the server works without sign-in
Search travel eSIM data plans worldwide with live prices, plan details and a buy link.
How to connect
How to connect e-eSIM Catalog to Claude
The server address to paste into Claude settings:
https://e-esim.com/wp-json/e-esim/mcp
- Open Claude (claude.ai or the desktop app).
- Go to Settings → Connectors.
- Click Add custom connector.
- Paste the server address copied below into Remote MCP server URL and click Add.
- In a chat, click + → Connectors and switch the new connector on.
Custom connectors are available on Free, Pro, Max, Team and Enterprise plans (Free is limited to one). On Team and Enterprise an organization Owner adds the connector first under Organization settings → Connectors.
Authorization
After you click Add, a sign-in window for the service opens. Sign in with your own account and approve access. Claude never sees your password.
How to connect e-eSIM Catalog to ChatGPT
The server address to paste into ChatGPT settings:
https://e-esim.com/wp-json/e-esim/mcp
- Open ChatGPT in a browser (chatgpt.com). A Plus, Pro, Business, Enterprise or Edu plan is required.
- Turn on developer mode once: Settings → Apps → Advanced settings → Developer mode.
- Open Settings → Connectors and click Create.
- Fill in the form: Name (anything), Description (one line about what the service does), MCP server URL (copy it below).
- Under Authentication choose OAuth if the service requires sign-in, otherwise None. Click Create.
- In a new chat open + → Apps/Connectors and enable the connector.
OpenAI has renamed this section before (Connectors → Apps/Plugins). If the label differs, search settings for "developer mode". On Business/Enterprise workspaces an admin must allow custom connectors first.
Authorization
On first use ChatGPT opens the service's sign-in window. Sign in and approve access.
How to connect e-eSIM Catalog to Cursor
The server address to paste into Cursor settings:
https://e-esim.com/wp-json/e-esim/mcp
Fastest: click Open in Cursor below and confirm the prompt.
Manually:
- In Cursor open Settings → Cursor Settings → MCP and click Add new global MCP server.
- Paste the JSON copied below into
~/.cursor/mcp.json(per project:.cursor/mcp.jsonin the repo root). - Save the file. The server appears in the MCP list; authorize it there if asked.
Authorization
If the service needs sign-in, an authorize button appears next to the server in the MCP list.
Server tool list (3)
Raw names from tools/list. Only developers need these.
| search_esim_plans | Find e-eSIM travel eSIM plans for a destination (country or region). Returns the best-value plans with full specifications, prices and a direct link. Use when a user wants mobile data abroad. |
| get_plan_details | Full details for one e-eSIM plan by product id: data allowance, validity, network, throttle behaviour, daily reset, full coverage country list, reviews, description and link. |
| start_checkout | Hand the customer to the e-eSIM shop to buy one plan. Returns buy_url (the product page where they tap Buy now to pay securely — card, Apple Pay, Google Pay) plus the plan name and price. No account needed; the eSIM is emailed right after payment. There is no in-chat order tracking and no discount-code field. |