Cypher eSIM

com.cypheresim/esimVersion 1.0.0

Buy no-KYC travel eSIMs and eSIMs with a real phone number in 180+ countries, paid in crypto.

Status

Responds136 msNov 14, 2026, 13:53 UTCAnswered our handshake without sign-in.

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Last checked: Nov 14, 2026, 13:53 UTC
Latency: 136 ms
Remotes responding: 1 of 1
Sign-in: No sign-in
Hosting: EU hosting detected (detected, not a legal statement)
Registry data as of: Nov 14, 2026, 22:14 UTC

Data from the official MCP Registry, checked by run.zero. How we check

Connect

Streamable HTTP

https://cypheresim.com/mcpResponds136 msNov 14, 2026, 13:53 UTC

No sign-in

Claude Code

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

Claude Desktop and claude.ai

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Settings > Connectors > Add custom connector
Name: esim
Remote MCP server URL: https://cypheresim.com/mcp

Cursor

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

VS Code

code --add-mcp '{"name":"esim","type":"http","url":"https://cypheresim.com/mcp"}'

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Tools

9 tools

Tools of Cypher eSIM
	Description		Read-only	Idempotent	Open world
`cancel_order`Cancel an unpaid order the person decided not to pay. Do not cancel after the payment was sent.	Cancel an unpaid order the person decided not to pay. Do not cancel after the payment was sent.	Yes	No	Yes	No
`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 notes (number plans: validity starts at installation; Europe number is French +33; UK number plan: install only after arrival). Returns order_id, order_token, the exact amount and the address. The person must send exactly that amount on that network before expires_at. Then poll get_order. Unpaid invoices per client are limited; cancel unused ones with cancel_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 notes (number plans: validity starts at installation; Europe number is French +33; UK number plan: install only after arrival). Returns order_id, order_token, the exact amount and the address. The person must send exactly that amount on that network before expires_at. Then poll get_order. Unpaid invoices per client are limited; cancel unused ones with cancel_order.	No	No	No	Yes
`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 this ICCID. Payment and polling work exactly like create_order.	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 this ICCID. Payment and polling work exactly like create_order.	No	No	No	Yes
`get_order`Order status: pending (waiting for payment), paid (issuing), delivered, expired, failed. When delivered, returns for each eSIM: QR code (also as an image), LPA activation code, ICCID, and one-tap iOS/Android install links. Call at most once every 5 seconds.	Order status: pending (waiting for payment), paid (issuing), delivered, expired, failed. When delivered, returns for each eSIM: QR code (also as an image), LPA activation code, ICCID, and one-tap iOS/Android install links. Call at most once every 5 seconds.	No	Yes	No	No
`get_plan`Full details of one plan: all covered countries, data, days, phone number (if any), install rules, when validity starts, and notes. Read the notes to the person before create_order.	Full details of one plan: all covered countries, data, days, phone number (if any), install rules, when validity starts, and notes. Read the notes to the person before create_order.	No	Yes	Yes	No
`list_payment_coins`Coins and networks accepted for payment. Pass coin and network to create_order. Sending on a different network loses the funds.	Coins and networks accepted for payment. Pass coin and network to create_order. Sending on a different network loses the funds.	No	Yes	Yes	No
`list_plans`List purchasable plans for a destination, cheapest first. type "data" = data-only eSIM: validity starts on first connection at the destination. type "number" = eSIM with a phone number, calls and SMS: validity starts at installation, so install it just before use; Europe plans give a French +33 number; the UK number plan must be installed only after arrival in the UK. For a country without its own plans, regional and world plans that cover it are returned. Prices are final USD prices; the crypto amount is set at create_order.	List purchasable plans for a destination, cheapest first. type "data" = data-only eSIM: validity starts on first connection at the destination. type "number" = eSIM with a phone number, calls and SMS: validity starts at installation, so install it just before use; Europe plans give a French +33 number; the UK number plan must be installed only after arrival in the UK. For a country without its own plans, regional and world plans that cover it are returned. Prices are final USD prices; the crypto amount is set at create_order.	No	Yes	Yes	No
`list_topups`Check whether an installed Cypher eSIM can be topped up and list the plans that can be added to it.	Check whether an installed Cypher eSIM can be topped up and list the plans that can be added to it.	No	Yes	Yes	No
`search_destinations`Find a country, region or "world" destination by name or ISO code. Returns destination codes for list_plans (country: ISO2 like "JP"; region: like "R-EUROPE"; world: "WORLD"), starting prices in USD, and how many data and phone-number plans exist. An empty query lists all destinations.	Find a country, region or "world" destination by name or ISO code. Returns destination codes for list_plans (country: ISO2 like "JP"; region: like "R-EUROPE"; world: "WORLD"), starting prices in USD, and how many data and phone-number plans exist. An empty query lists all destinations.	No	Yes	Yes	No

Details

Registry status: Active
Published: Oct 23, 2026
Updated: Oct 23, 2026
Website: https://cypheresim.com/for-ai-agents⁠ (opens in a new tab)
Repository: Not given
Categories (suggested): Finance and paymentsSuggested categories are assigned automatically from the registry text and may be wrong. Verified operators can correct them.
GDPR: Not declared

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