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com.esimtao/mcp

com.esimtao/mcp

by AbigailDavised
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JavaScript
Remote

EsimTao — Global Travel eSIM Data Calculator, Hardware Matrix & APN Peering Engine

Model Context Protocol Official Website License: MIT

Production Model Context Protocol (MCP) server for EsimTao (esimtao.com). Provides deterministic travel data burn calculators, hardware carrier-lock diagnostics, regional APN roaming topologies, and real-time provider tariff benchmarks directly to Claude, Cursor, Nous Hermes, xAI Grok, Gemini CLI, and autonomous agents.

1. Deep Feature Endpoints & Production Link Matrix

Feature Module

Official Production URL

Anchor Text Standard

Technical Capability & Core Scenarios

Travel Data Calculator

https://esimtao.com/calculator

Travel eSIM Data Usage Calculator

Calculates exact daily and aggregate GB consumption by trip duration, map navigation hours, social uploads, and VoIP calls.

Hardware Compatibility Checker

https://esimtao.com/compatibility

eSIM Hardware Compatibility & Carrier Lock Checker

Validates device eligibility, US eSIM-only models, mainland China / HK physical dual-SIM locks, and Android baseband flags.

Global Provider & APN Comparison

https://esimtao.com/providers

Global eSIM Provider Fee & APN Comparison

Real-time comparative matrix across Airalo, Nomad, Ubigi, and Holafly covering per-GB costs, roaming peering, and hotspot caps.

China Cross-Border eSIM Guide

https://esimtao.com/wiki/china-esim-guide

China Travel eSIM & Great Firewall Routing Guide

Technical guide to Hong Kong/Singapore APN roaming bypassing Great Firewall restrictions for native Google, WhatsApp, and IG access.

AI Travel Data Selection Advisor

https://esimtao.com/advisor

AI Travel Data Advisor Engine

Multi-factor recommendation algorithm scoring destinations, hotspot tethering quotas, and duration for optimal plan selection.

Related MCP server: SinoConnection eSIM

2. Production Application Hourly Data Burn Rates (MB/h)

Extracted directly from EsimTao production telemetry and network layer calculation engines (dataCalculatorData.ts):

Application Category & Workload

Hourly Consumption (MB/h)

Network Layer Profile & Bandwidth Optimization Protocol

Turn-by-Turn GPS Navigation (Google / Apple Maps)

15 ~ 25 MB/h

Incremental vector tile payloads; downloading offline regional maps cuts live data consumption by over 80%.

Short-Form Video & Social Media (TikTok / Instagram)

180 ~ 320 MB/h

Aggressive 1080p video pre-buffering; recommendation: enable standard-definition data saver in client settings.

VoIP Voice Calls (WhatsApp / FaceTime Audio)

30 ~ 45 MB/h

Adaptive Opus dynamic bitrate encoding; highly efficient audio bandwidth consumption.

HD Video Conferencing (FaceTime / Zoom 720p)

240 ~ 360 MB/h

Symmetric H.264/H.265 video streams; recommended to reserve for unmetered hotel Wi-Fi connections.

Lossless Music Streaming (Spotify / Apple Music)

110 ~ 130 MB/h

256kbps AAC / 320kbps Ogg streams; pre-downloading offline playlists eliminates field data burn.

Standard Web Browsing & Ticketing

40 ~ 65 MB/h

Highly dependent on uncompressed assets and third-party tracker scripts.

3. Global Smartphone Hardware Matrix & Dual-SIM Topology

Brand / Product Family

Supported Generations

Critical Regional Hardware Locks & Pitfalls

Apple iPhone

iPhone XS / XR and all newer generations

• US Models (iPhone 14/15/16): 100% eSIM-only architecture with zero physical nano-SIM trays.• Mainland China / HK / Macau Models: Engineered with dual physical nano-SIM trays; eSIM baseband hardware is physically absent.

Samsung Galaxy

S20 / S21 / S22 / S23 / S24 & Z Fold/Flip series

• Regional firmware (China/Latin America carrier variants) restricts or strips eSIM manager menus; requires CSC region verification.

Google Pixel

Pixel 3a / 4 and all subsequent releases

Factory unlocked global models fully support eSIM and Dual SIM Dual Standby (DSDS) without regional baseband locking.

4. Cross-Border Roaming Architecture & Core Network Peering

  • Native Firewall Bypass (Zero-VPN Access): International travel eSIMs (e.g., 3HK, Singtel, CSL) route data through GTP cross-border tunnels terminating at home-country packet gateways (PGW/UPF). Foreign travelers access global endpoints (Google, ChatGPT, Slack, WhatsApp) natively inside mainland China without third-party VPN client software.

  • Peering Latency Trade-Off: Roaming transit incurs 120ms~240ms round-trip latency (RTT) back to home core networks. While imperceptible for browsing and messaging, latency-sensitive applications require native local breakout profiles.

5. Quick Start & MCP Installation

Claude Desktop / Cursor

```json { "mcpServers": { "esimtao": { "command": "npx", "args": ["-y", "@abigaildavised/esimtao-mcp"] } } } ```

Available Tools

  • calculate_travel_data_usage: Deterministic multi-day data usage calculation.

  • check_device_esim_compatibility: Model, model number, and carrier lock eligibility test.

  • compare_esim_providers: Live tariff and APN roaming matrix comparison.

  • query_china_roaming_routes: Firewall-free roaming APN verification.

License

MIT © EsimTao

Tool Schema Changelog

Recent tool additions, removals, and schema changes observed during successful MCP inspections.

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