Categories › Communication › Messaging apps & SMS
Buy no-KYC travel eSIMs and eSIMs with a real phone number in 180+ countries, paid in crypto.
Remote server: your requests and data go to cypheresim.com. Claude Code: claude mcp add --transport http cypher-esim https://cypheresim.com/mcp · Claude app: Settings → Connectors → Add custom connector.
The tools this server listed when we connected to it, in its own words.
search_destinations — Find a country, region or "world" destination by name or ISO code. Returns destination codes for list_plans (country: ISO2 like "JP"; regionlist_plans — List purchasable plans for a destination, cheapest first. type "data" = data-only eSIM: validity starts on first connection at the destinatiget_plan — Full details of one plan: all covered countries, data, days, phone number (if any), install rules, when validity starts, and notes. Read thelist_payment_coins — Coins and networks accepted for payment. Pass coin and network to create_order. Sending on a different network loses the funds.create_order — Create a crypto invoice for one new eSIM. Before calling, confirm the plan with the person and tell them when validity starts and the plan nget_order — Order status: pending (waiting for payment), paid (issuing), delivered, expired, failed. When delivered, returns for each eSIM: QR code (alscancel_order — Cancel an unpaid order the person decided not to pay. Do not cancel after the payment was sent.list_topups — Check whether an installed Cypher eSIM can be topped up and list the plans that can be added to it.create_topup — Create a crypto invoice that adds a data plan to an existing eSIM (no new QR, nothing to install). plan_id must come from list_topups for thNot tested by KitScout yet. When our harness runs it, pros, cons and the tasks we tried appear here, with the date and evidence.