# EsimTao — Global Travel eSIM Data Calculator, Advisor & Device Checker

> Calculate travel data needs, check phone eSIM hardware & compare fair GB prices globally.

- name: com.esimtao/mcp
- version: 1.0.0
- connection class: R0 (autonomous)
- trust: 96/100
- quality: 89/100 (new)
- owner: not claimed
- descriptor: https://api.protogrid.dev/v1/servers/com.esimtao%2Fmcp
- tools: https://api.protogrid.dev/v1/servers/com.esimtao%2Fmcp/tools

**An agent can connect right now, no human step.** Remote endpoint, no authentication, reachable on the last probe.

## Connection (mcpServers)

```json
{
  "mcpServers": {
    "esimtao": {
      "type": "http",
      "url": "https://esimtao.com/api/mcp"
    }
  }
}
```


## Trust

- hygiene: 100
- liveness: 100
- freshness: 100
- provenance: 85
- drivers: +repository +dns-namespace +website +reachable +uptime-100% +updated-3d-ago
- Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed.

## Quality 89/100 (new)

### protocol: 75 (weight 25)

- warn `protocol.modern`: newest supported version is 2025-06-18; 2026-07-28 not supported, older versions are deprecated until 2027-07-28
- n/a `protocol.stateless`: only applies to 2026-07-28 servers
- pass `protocol.transport`: streamable HTTP
- n/a `protocol.list_ttl`: only applies to 2026-07-28 servers

### authorization: n/a (weight 15)

- n/a `auth.prm`, `auth.as_metadata`, `auth.cimd`: no remote uses OAuth
- n/a `auth.secret_in_url`: no templated URL

### tool hygiene: 100 (weight 30)

- pass `tools.descriptions`: every tool has a description
- pass `tools.description_length`: descriptions are concise
- pass `tools.schemas`: every tool has an object input schema
- pass `tools.annotations`: 6 of 6 tools declare readOnlyHint or destructiveHint
- pass `tools.directory_hints`: every tool declares readOnlyHint, destructiveHint, idempotentHint and openWorldHint
- pass `tools.token_cost`: about 1,078 tokens to load every tool
- pass `tools.api_dump`: tools are not a one-to-one API dump
- pass `tools.hidden_text`: no hidden text in tool names, descriptions, schemas or annotations

### stability: n/a (weight 15)

- n/a `stability.changes`, `stability.rug_pull`, `stability.new_links`: tool history recorded for 2 of the 7 days needed

### dependencies: n/a (weight 15)

- n/a `deps.known_vulns`, `deps.mcp_sdk_version`, `deps.resolvable`: no npm or PyPI package

- tools: 6, about 1,078 tokens to load them all
- tool set hash: 681508f4e44635b227b89c8186babd07
- badge: [![protogrid quality](https://protogrid.dev/badge/com.esimtao/mcp.svg)](https://protogrid.dev/servers/com.esimtao/mcp)
- Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed.

### Tool changes

_No tool definition changes recorded._

## Remotes

- https://esimtao.com/api/mcp (streamable-http, auth none, reachable true, uptime30d 1)

## Packages

_none_

## Tools (6)

- `calculate_esim_data_usage`: Calculate daily and total gigabyte (GB) data consumption for international travel based on trip duration, map navigation, video streaming, social media, and hotspot tethering.
- `check_device_esim_support`: Check whether a specific smartphone or tablet model supports digital eSIM, including hardware differences between US eSIM-only models, mainland China dual physical SIM models, and Japanese/European variants.
- `compare_travel_esim_pricing`: Benchmark standard fair market prices per Gigabyte (USD/GB) across Japan, USA, Europe, Southeast Asia, and worldwide to evaluate prepaid eSIM value.
- `get_esim_installation_guide`: Provide step-by-step QR code scanning, manual SM-DP+ Address / Activation Code entry, and Data Roaming switch settings for iOS (Settings -> Cellular) and Android (Settings -> Network).
- `lookup_esim_regional_coverage`: Resolve regional travel eSIM bundles (Europe 33, Southeast Asia 8, Latin America, North America, Global) to determine included countries, border-crossing roaming handoffs, and shared GB pools.
- `recommend_travel_esim_plan`: Recommend the optimal travel eSIM plan tier (Daily High-Speed Reset vs Total Data Bucket vs True Unlimited) for 180+ global travel destinations with local tier-1 carrier coverage.