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mcp/harbor
Verified official

Cypher eSIM MCP

v1.0.0

com.cypheresim/esim

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

transport:streamable-http tools:9
Website

Target client

run in your project directory 

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

setup guides: Claude Code Claude Desktop Cursor VS Code Zed Windsurf Cline Gemini CLI Grok ChatGPT Claude.ai LangChain

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs

search_destinations Read-only

search destinations

list_plans Read-only

list plans

get_plan Read-only

get plan

list_payment_coins Read-only

list payment coins

create_order Mutating

create order

get_order Read-only

get order

cancel_order Mutating

cancel order

list_topups Read-only

list topups

create_topup Mutating

create topup

All 9 tools, one page each

Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. Check the server's own documentation before granting access.