esimoa — travel eSIM comparison

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Compare travel eSIM plans by country, days and data — live prices and links to buy on esimoa.

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https://api.esimoa.com/mcp

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Optional. esimoa partner API key (esk_live_...) — adds your affiliate code to buy links. Leave empty to use without a key.

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compare_esims Read-only

Compare 2 to 5 esimoa (이심모아) eSIM plans side by side by id (ids come from search_esims): price, data, validity, price per GB, coverage, network, hotspot and local phone number. Returns which plan has the lowest price, most data, longest validity and lowest price per GB, and each plan page `url` on esimoa.com. Prices are in KRW.

idsarray, required

Plan ids from search_esims.

langstring

Language for country names and the plan page. Match the user’s language (ko, en, ja, zh-CN, zh-TW, es, fr, ar, vi, th, id, it, de).

Tools (6)

compare_esims

read-only

Argument	Type	Description
ids*	array	Plan ids from search_esims.
lang	string	Language for country names and the plan page. Match the user’s language (ko, en, ja, zh-CN, zh-TW, es, fr, ar, vi, th, id, it, de).

Input schema (JSON)

{
  "type": "object",
  "required": [
    "ids"
  ],
  "properties": {
    "ids": {
      "type": "array",
      "items": {
        "type": "string"
      },
      "maxItems": 5,
      "minItems": 2,
      "description": "Plan ids from search_esims."
    },
    "lang": {
      "enum": [
        "ko",
        "en",
        "ja",
        "zh-CN",
        "zh-TW",
        "es",
        "fr",
        "ar",
        "vi",
        "th",
        "id",
        "it",
        "de"
      ],
      "type": "string",
      "description": "Language for country names and the plan page. Match the user’s language (ko, en, ja, zh-CN, zh-TW, es, fr, ar, vi, th, id, it, de)."
    }
  }
}

fetch

Fetch one esimoa (이심모아) eSIM plan as a document by id returned from search (ChatGPT deep research format). For plans found with search_esims, use get_esim.

read-only

Argument	Type	Description
id*	string

Input schema (JSON)

{
  "type": "object",
  "required": [
    "id"
  ],
  "properties": {
    "id": {
      "type": "string"
    }
  }
}

get_esim

Get the details of one esimoa (이심모아) eSIM plan by id (from search_esims), including its plan page `url`.

read-only

Argument	Type	Description
id*	string	Plan id
lang	string	Language for country names and the plan page. Match the user’s language (ko, en, ja, zh-CN, zh-TW, es, fr, ar, vi, th, id, it, de).

Input schema (JSON)

{
  "type": "object",
  "required": [
    "id"
  ],
  "properties": {
    "id": {
      "type": "string",
      "description": "Plan id"
    },
    "lang": {
      "enum": [
        "ko",
        "en",
        "ja",
        "zh-CN",
        "zh-TW",
        "es",
        "fr",
        "ar",
        "vi",
        "th",
        "id",
        "it",
        "de"
      ],
      "type": "string",
      "description": "Language for country names and the plan page. Match the user’s language (ko, en, ja, zh-CN, zh-TW, es, fr, ar, vi, th, id, it, de)."
    }
  }
}

list_countries

List countries where esimoa (이심모아) sells eSIMs, with the number of plans and the lowest price (KRW). Optionally filter by name.

read-only

Argument	Type	Description
lang	string	Language for country names and the plan page. Match the user’s language (ko, en, ja, zh-CN, zh-TW, es, fr, ar, vi, th, id, it, de).
query	string	Country name or ISO code filter

Input schema (JSON)

{
  "type": "object",
  "properties": {
    "lang": {
      "enum": [
        "ko",
        "en",
        "ja",
        "zh-CN",
        "zh-TW",
        "es",
        "fr",
        "ar",
        "vi",
        "th",
        "id",
        "it",
        "de"
      ],
      "type": "string",
      "description": "Language for country names and the plan page. Match the user’s language (ko, en, ja, zh-CN, zh-TW, es, fr, ar, vi, th, id, it, de)."
    },
    "query": {
      "type": "string",
      "description": "Country name or ISO code filter"
    }
  }
}

Free-text search of esimoa (이심모아) eSIM plans in the search/fetch format used by ChatGPT deep research, e.g. "Japan 7 days unlimited" or "USA 3 days local phone number". Understands unlimited, daily, local phone number, local network, hotspot and 5G. Returns ids to use with fetch. When you can fill filters, prefer search_esims.

read-only

Argument	Type	Description
query*	string

Input schema (JSON)

{
  "type": "object",
  "required": [
    "query"
  ],
  "properties": {
    "query": {
      "type": "string"
    }
  }
}

search_esims

Search the travel eSIM catalog of esimoa (이심모아) and compare plans for a destination. Filter by trip length, data, unlimited or daily data, local phone number, local or roaming network, multi-country coverage, price, provider, hotspot and 5G. Sort by "recommended" (esimoa’s default order), "price" (lowest first), "data" (most data first), "price_per_gb" or "validity" (longest first). Each result includes its `id` (for get_esim and compare_esims) and a `url` to the plan page on esimoa.com. Prices are in KRW.

read-only

Argument	Type	Description
days	integer	Trip length in days. Plans covering at least this many days (and not much longer) are returned.
lang	string	Language for country names and the plan page. Match the user’s language (ko, en, ja, zh-CN, zh-TW, es, fr, ar, vi, th, id, it, de).
sort	string	recommended \| price \| data \| price_per_gb \| validity
limit	integer	Number of plans (default 5, max 10).
five_g	boolean	true = 5G network. Checked within the top 50 matches, so the total is approximate.
country	string	Destination country — ISO code (JP) or name in any language (Japan, 일본).
data_gb	number

{ "type": "object", "properties": { "days": { "type": "integer", "minimum": 1, "description": "Trip length in days. Plans covering at least this many days (and not much longer) are returned." }, "lang": { "enum": [ "ko", "en", "ja", "zh-CN", "zh-TW", "es", "fr", "ar", "vi", "th", "id", "it", "de" ], "type": "string", "description": "Language for country names and the plan page. Match the user’s language (ko, en, ja, zh-CN, zh-TW, es, fr, ar, vi, th, id, it, de)." }, "sort": { "enum": [ "recommended", "price", "data", "price_per_gb", "validity" ], "type": "string", "description": "recommended | price | data | price_per_gb | validity" }, "limit": { "type": "integer", "maximum": 10, "minimum": 1, "description": "Number of plans (default 5, max 10)." }, "five_g": { "type": "boolean", "description": "true = 5G network. Checked within the top 50 matches, so the total is approximate." }, "country": { "type": "string", "description": "Destination country — ISO code (JP) or name in any language (Japan, 일본)." }, "data_gb": { "type": "number", "minimum": 0, "description": "Minimum data needed in GB." }, "hotspot": { "type": "boolean", "description": "true = hotspot/tethering supported. Checked within the top 50 matches, so the total is approximate." }, "network": { "enum": [ "local", "roaming" ], "type": "string", "description": "local = local carrier network (usually faster); roaming = roaming network." }, "provider": { "type": "string", "description": "Provider code exactly as returned in results (e.g. from a previous search)." }, "countries": { "type": "array", "items": { "type": "string" }, "maxItems": 8, "description": "Multi-country trip — only plans that work in ALL of these countries (ISO codes or names). Use instead of country." }, "data_type": { "enum": [ "daily", "total" ], "type": "string", "description": "daily = data allowance resets every day; total = one allowance for the whole trip." }, "unlimited": { "type": "boolean", "description": "Only unlimited-data plans." }, "max_data_gb": { "type": "number", "minimum": 0, "description": "Maximum data in GB." }, "local_number": { "type": "boolean", "description": "true = only plans that include a local phone number for calls/SMS." }, "max_price_krw": { "type": "integer", "minimum": 0, "description": "Maximum price in KRW (budget)." }, "min_price_krw": { "type": "integer", "minimum": 0, "description": "Minimum price in KRW." }, "multi_country": { "type": "boolean", "description": "true = multi-country (regional) plans only; false = single-country plans only." } } }