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Glama

eSIM-Global.VIP eSIM Catalog

Find eSIM plans

search_esim_plans
Read-onlyIdempotent

Find eSIM-Global.VIP eSIM plans for one destination or several (countries or regions, any language). Returns the best-value plans first with full facts, coverage lists and a direct link; multi-country plans that include the destination are returned too and marked covers_via. Use when a user wants mobile data abroad; use recommend_plan when they describe a whole trip.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
sortNovalue = best price per GB / cheapest Flex first (default); price = cheapest first; data = most data first.
typeNoPlan type. Default any.
limitNoPlans to return. Default 10; all_plans_url lists everything.
bucketNoOptional language-region bucket the customer shops in, e.g. "en-gb", "de-de". Wins over language; prices and links are quoted in it.
currencyNoOptional ISO 4217 code. Every price in the result is quoted in it.
languageNoISO language of the conversation, e.g. en, de, ja. Plan names and country names come back in it when available. Bare "en" is quoted in en-us / USD.
min_daysNoOnly plans valid for at least this many days (Unlimited Flex counts when days_range allows it).
destinationNoCountry or region in any language, e.g. "Thailand", "Japon", "Europa", or a 2-letter ISO code. For a city, pass its country.
destinationsNoSeveral countries for one trip; only plans covering ALL of them are returned. Overrides destination.

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
isoNoResolved ISO code or region slug of the (first) destination.
noteNoPresent when part of the request could not be honoured (e.g. more than 5 destinations).
plansNo
coveredNo
messageNoPresent when nothing matched: says why and what to try.
currencyNo
returnedNo
from_priceNoLowest price in this result set, shop-formatted (per-day plans count with their day price).
destinationNo
destinationsNoHow each requested destination was understood.
all_plans_urlNo
pricing_bucketNo
total_availableNoPlans matched before limit; the rest are on all_plans_url.

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed4 schema fields changed
    • changedOutput schema / properties / from_price / description
      Previous value: -"Localized \"from\" price string."New value: +"Lowest price in this result set, shop-formatted (per-day plans count with their day price)."
    • addedOutput schema / properties / note
      Added value: +{
      +  "description": "Present when part of the request could not be honoured (e.g. more than 5 destinations).",
      +  "type": "string"
      +}
    • addedOutput schema / properties / plans / items / properties / last_updated
      Added value: +{
      +  "description": "Date the plan was last updated in the catalogue (YYYY-MM-DD).",
      +  "type": "string"
      +}
    • removedOutput schema / properties / plans / items / properties / last_verified
      Removed value: -{
      -  "description": "Date the plan facts were last synchronised from the supplier (YYYY-MM-DD), when known.",
      -  "type": "string"
      -}
  2. Changed71 schema fields changed
    • addedInput schema / properties / bucket
      Added value: +{
      +  "description": "Optional language-region bucket the customer shops in, e.g. \"en-gb\", \"de-de\". Wins over language; prices and links are quoted in it.",
      +  "type": "string"
      +}
    • changedInput schema / properties / currency / description
      Previous value: -"Optional ISO 4217 override for the headline \"from\" price. Normally derived from language."New value: +"Optional ISO 4217 code. Every price in the result is quoted in it."
    • changedInput schema / properties / destination / description
      Previous value: -"Country or region in English, e.g. \"Thailand\", \"Japan\", \"Europe\", or a 2-letter ISO code. If the user names a city (e.g. \"Tokyo\"), pass its country (\"Japan\")."New value: +"Country or region in any language, e.g. \"Thailand\", \"Japon\", \"Europa\", or a 2-letter ISO code. For a city, pass its country."
    • addedInput schema / properties / destinations
      Added value: +{
      +  "description": "Several countries for one trip; only plans covering ALL of them are returned. Overrides destination.",
      +  "items": {
      +    "type": "string"
      +  },
      +  "maxItems": 5,
      +  "type": "array"
      +}
    • changedInput schema / properties / language / description
      Previous value: -"ISO language of the conversation, e.g. en, de, ja, th. Sets the landing-page language and currency."New value: +"ISO language of the conversation, e.g. en, de, ja. Plan names and country names come back in it when available. Bare \"en\" is quoted in en-us / USD."
    • addedInput schema / properties / limit
      Added value: +{
      +  "description": "Plans to return. Default 10; all_plans_url lists everything.",
      +  "maximum": 50,
      +  "minimum": 1,
      +  "type": "integer"
      +}
    • addedInput schema / properties / min_days
      Added value: +{
      +  "description": "Only plans valid for at least this many days (Unlimited Flex counts when days_range allows it).",
      +  "minimum": 1,
      +  "type": "integer"
      +}
    • addedInput schema / properties / sort
      Added value: +{
      +  "description": "value = best price per GB / cheapest Flex first (default); price = cheapest first; data = most data first.",
      +  "enum": [
      +    "value",
      +    "price",
      +    "data"
      +  ],
      +  "type": "string"
      +}
    • changedInput schema / required
      Previous value: -[
      -  "destination"
      -]New value: +[]
    • addedOutput schema / properties / destinations
      Added value: +{
      +  "description": "How each requested destination was understood.",
      +  "items": {
      +    "additionalProperties": true,
      +    "properties": {
      +      "iso": {
      +        "type": "string"
      +      },
      +      "name": {
      +        "type": "string"
      +      },
      +      "query": {
      +        "type": "string"
      +      }
      +    },
      +    "type": "object"
      +  },
      +  "type": "array"
      +}
    • addedOutput schema / properties / iso / description
      Added value: +"Resolved ISO code or region slug of the (first) destination."
    • addedOutput schema / properties / message / description
      Added value: +"Present when nothing matched: says why and what to try."
    • addedOutput schema / properties / plans / items / description
      Added value: +"One eSIM plan. Every field is present only when the catalogue holds a value for it; an absent field is unknown, never \"no\"."
    • addedOutput schema / properties / plans / items / properties / activation_trigger
      Added value: +{
      +  "description": "\"install\": validity and billing start the moment the eSIM is installed — install only when ready to use. \"first_connection\": the eSIM can be installed before travel; validity starts on first connection to a network at the destination.",
      +  "enum": [
      +    "install",
      +    "first_connection"
      +  ],
      +  "type": "string"
      +}
    • changedOutput schema / properties / plans / items / properties / always_on_rate / description
      Previous value: -"Unlimited Flex / Daily Pack: reduced rate after the daily allowance. Empty when the plan has a speed_cap (no reduction moment) or is unlimited."New value: +"Unlimited Flex / Daily Pack: reduced speed after the daily allowance, e.g. \"512 Kbit/s\". Empty when the plan has a speed_cap or is unlimited."
    • addedOutput schema / properties / plans / items / properties / apn
      Added value: +{
      +  "description": "APN to set when the vendor requires one.",
      +  "type": "string"
      +}
    • addedOutput schema / properties / plans / items / properties / coverage_count
      Added value: +{
      +  "description": "Number of countries in coverage_countries.",
      +  "type": "integer"
      +}
    • addedOutput schema / properties / plans / items / properties / coverage_countries
      Added value: +{
      +  "description": "Every country the plan works in, with the network operators per country when known.",
      +  "items": {
      +    "additionalProperties": true,
      +    "properties": {
      +      "iso": {
      +        "description": "ISO 3166-1 alpha-2, lowercase.",
      +        "type": "string"
      +      },
      +      "name": {
      +        "description": "Country name in the requested language.",
      +        "type": "string"
      +      },
      +      "networks": {
      +        "description": "Operator names in that country, as the supplier lists them.",
      +        "items": {
      +          "type": "string"
      +        },
      +        "type": "array"
      +      }
      +    },
      +    "type": "object"
      +  },
      +  "type": "array"
      +}
    • addedOutput schema / properties / plans / items / properties / coverage_note
      Added value: +{
      +  "description": "Coverage caveat to present verbatim, e.g. traffic routed via Hong Kong.",
      +  "type": "string"
      +}
    • addedOutput schema / properties / plans / items / properties / covers_via
      Added value: +{
      +  "description": "Present when the plan was returned for a country it covers as part of a multi-country plan: the plan's own region name.",
      +  "type": "string"
      +}
    • addedOutput schema / properties / plans / items / properties / currency / description
      Added value: +"ISO 4217 currency of every price in this object."
    • addedOutput schema / properties / plans / items / properties / daily_reset_time
      Added value: +{
      +  "description": "When the daily allowance resets, as the vendor states it (clock and time zone). Absent = resets 24 h after activation is NOT implied; simply unknown.",
      +  "type": "string"
      +}
    • changedOutput schema / properties / plans / items / properties / data / description
      Previous value: -"Data Pack: total data label."New value: +"Data Pack: total data label, e.g. \"5GB\"."
    • addedOutput schema / properties / plans / items / properties / data_gb / description
      Added value: +"Data amount in GB. Meaning given by data_period."
    • addedOutput schema / properties / plans / items / properties / data_period
      Added value: +{
      +  "description": "\"total\": data_gb is the whole plan (Data Pack). \"per_day\": data_gb is the daily full-speed allowance (Unlimited Flex, Daily Pack).",
      +  "enum": [
      +    "total",
      +    "per_day"
      +  ],
      +  "type": "string"
      +}
    • addedOutput schema / properties / plans / items / properties / days
      Added value: +{
      +  "description": "Validity in days (Data Pack, Daily Pack).",
      +  "type": "integer"
      +}
    • changedOutput schema / properties / plans / items / properties / days_range / description
      Previous value: -"Only on price_basis \"per_day\": the durations the customer can choose, in days, e.g. \"1-30\"."New value: +"Unlimited Flex: choosable durations in days, e.g. \"1-30\"."
    • removedOutput schema / properties / plans / items / properties / description
      Removed value: -{
      -  "type": "string"
      -}
    • addedOutput schema / properties / plans / items / properties / expires_on
      Added value: +{
      +  "description": "Stock expiry date (YYYY-MM-DD) when the product itself has one.",
      +  "type": "string"
      +}
    • addedOutput schema / properties / plans / items / properties / fair_use
      Added value: +{
      +  "description": "Fair-use policy text from the supplier, when stated.",
      +  "type": "string"
      +}
    • addedOutput schema / properties / plans / items / properties / hotspot
      Added value: +{
      +  "description": "Hotspot / tethering rule as the vendor states it, e.g. \"Supported\" or a device limit.",
      +  "type": "string"
      +}
    • addedOutput schema / properties / plans / items / properties / install_before_travel
      Added value: +{
      +  "description": "true when the eSIM can safely be installed before departure (activation_trigger first_connection).",
      +  "type": "boolean"
      +}
    • addedOutput schema / properties / plans / items / properties / ip_breakout
      Added value: +{
      +  "description": "Country whose internet connection the customer appears to use (IP breakout), ISO code(s) — matters for banking apps, streaming and mainland-China access. Vendor fact.",
      +  "type": "string"
      +}
    • addedOutput schema / properties / plans / items / properties / kyc_required
      Added value: +{
      +  "description": "true when the vendor requires real-name registration (ID verification) on arrival before data works.",
      +  "type": "boolean"
      +}
    • addedOutput schema / properties / plans / items / properties / last_verified
      Added value: +{
      +  "description": "Date the plan facts were last synchronised from the supplier (YYYY-MM-DD), when known.",
      +  "type": "string"
      +}
    • addedOutput schema / properties / plans / items / properties / name / description
      Added value: +"Short plan name: destination · data · validity · type."
    • removedOutput schema / properties / plans / items / properties / network
      Removed value: -{
      -  "description": "Speed token only (e.g. 4G/LTE/5G) — never a carrier/operator name.",
      -  "type": "string"
      -}
    • addedOutput schema / properties / plans / items / properties / network_generation
      Added value: +{
      +  "description": "Network technology, e.g. \"4G/LTE/5G\". Never an operator name.",
      +  "type": "string"
      +}
    • addedOutput schema / properties / plans / items / properties / networks
      Added value: +{
      +  "description": "Operator names across the plan (deduplicated). Per-country detail is in coverage_countries.",
      +  "items": {
      +    "type": "string"
      +  },
      +  "type": "array"
      +}
    • changedOutput schema / properties / plans / items / properties / plan_note / description
      Previous value: -"One-sentence vendor fact to present verbatim (in the user's language) when present; overrides the generic Unlimited Flex description."New value: +"One-sentence vendor fact to present verbatim when present; overrides the generic type description."
    • changedOutput schema / properties / plans / items / properties / price / description
      Previous value: -"Price in currency, to be read WITH price_basis: the full fixed price of the plan when price_basis is \"total\", the price of one day when it is \"per_day\". Never a per-GB rate."New value: +"Price in currency, read WITH price_basis: the full price of the plan when \"total\", the price of ONE day when \"per_day\". Never a per-GB rate. The price shown is the price paid."
    • changedOutput schema / properties / plans / items / properties / price_basis / description
      Previous value: -"What `price` means. \"total\" = the whole plan (Data Pack, Daily Pack). \"per_day\" = one day (Unlimited Flex): the duration is chosen at checkout within days_range and price_max is the longest-duration price."New value: +"What `price` means."
    • addedOutput schema / properties / plans / items / properties / price_is_final
      Added value: +{
      +  "description": "Always true: no tax or fee is added at checkout.",
      +  "type": "boolean"
      +}
    • changedOutput schema / properties / plans / items / properties / price_max / description
      Previous value: -"Only on price_basis \"per_day\": the price for the longest duration in days_range, discount already applied — the figure to quote for a full period. Absent when it cannot be computed; never infer it by multiplying price."New value: +"Only on price_basis \"per_day\": the price for the longest duration in days_range, discount applied — the figure to quote for a full period. Never infer it by multiplying."
    • addedOutput schema / properties / plans / items / properties / pricing_bucket
      Added value: +{
      +  "description": "language-region bucket the prices and links are quoted in, e.g. \"en-us\".",
      +  "type": "string"
      +}
    • addedOutput schema / properties / plans / items / properties / product_id / description
      Added value: +"Product id. Use it for get_plan_details and start_checkout."
    • addedOutput schema / properties / plans / items / properties / rating / description
      Added value: +"Average customer rating (1-5). Present only when reviews exist."
    • addedOutput schema / properties / plans / items / properties / refund_class
      Added value: +{
      +  "description": "Vendor refund/cancellation class for this plan.",
      +  "enum": [
      +    "until_install",
      +    "non_refundable",
      +    "no_cancel"
      +  ],
      +  "type": "string"
      +}
    • addedOutput schema / properties / plans / items / properties / refund_rule
      Added value: +{
      +  "description": "The refund class in words - present verbatim.",
      +  "type": "string"
      +}
    • addedOutput schema / properties / plans / items / properties / review_count / description
      Added value: +"Number of reviews. Present only when > 0."
    • addedOutput schema / properties / plans / items / properties / sku
      Added value: +{
      +  "description": "Catalogue SKU.",
      +  "type": "string"
      +}
    • changedOutput schema / properties / plans / items / properties / speed_cap / description
      Previous value: -"Present only on plans with a PERMANENT speed cap, e.g. \"10 Mbit/s\": the plan always runs at up to this speed with the daily allowance in daily_high_speed. Do not call such a plan high-speed."New value: +"Present only on plans with a PERMANENT speed cap, e.g. \"10 Mbit/s\". Never call such a plan high-speed."
    • addedOutput schema / properties / plans / items / properties / start_date_required
      Added value: +{
      +  "description": "true when a start date must be chosen at checkout.",
      +  "type": "boolean"
      +}
    • addedOutput schema / properties / plans / items / properties / summary
      Added value: +{
      +  "description": "Short description in the requested language, from the product page.",
      +  "type": "string"
      +}
    • removedOutput schema / properties / plans / items / properties / tethering
      Removed value: -{
      -  "type": "boolean"
      -}
    • addedOutput schema / properties / plans / items / properties / title
      Added value: +{
      +  "description": "Full product title in the requested language.",
      +  "type": "string"
      +}
    • addedOutput schema / properties / plans / items / properties / topup / additionalProperties
      Added value: +true
    • changedOutput schema / properties / plans / items / properties / topup / description
      Previous value: -"True only for data top-up (add data to a Data Pack). See topup_kind for the full picture."New value: +"Top-up possibility for this plan."
    • addedOutput schema / properties / plans / items / properties / topup / properties
      Added value: +{
      +  "how": {
      +    "description": "How the customer tops up.",
      +    "type": "string"
      +  },
      +  "kind": {
      +    "description": "What TopUp can add without a new eSIM: data (Data Pack), days (Unlimited Flex / Daily Pack), or none.",
      +    "enum": [
      +      "data",
      +      "days",
      +      "none"
      +    ],
      +    "type": "string"
      +  }
      +}
    • changedOutput schema / properties / plans / items / properties / topup / type
      Previous value: -"boolean"New value: +"object"
    • removedOutput schema / properties / plans / items / properties / topup_kind
      Removed value: -{
      -  "description": "What eSIM-Global.VIP TopUp can add to this plan without a new eSIM: \"data\" (Data Pack), \"days\" (Unlimited Flex / Daily Pack: extend validity), or \"none\".",
      -  "enum": [
      -    "data",
      -    "days",
      -    "none"
      -  ],
      -  "type": "string"
      -}
    • addedOutput schema / properties / plans / items / properties / transparency / description
      Added value: +"A per-order Transparency link shows remaining data in near real-time."
    • changedOutput schema / properties / plans / items / properties / type / description
      Previous value: -"Data Pack, Daily Pack or Unlimited Flex."New value: +"Plan type."
    • addedOutput schema / properties / plans / items / properties / type / enum
      Added value: +[
      +  "Data Pack",
      +  "Daily Pack",
      +  "Unlimited Flex"
      +]
    • addedOutput schema / properties / plans / items / properties / unused_valid_days
      Added value: +{
      +  "description": "Days the eSIM may remain unused after purchase before it expires (supplier value).",
      +  "type": "integer"
      +}
    • addedOutput schema / properties / plans / items / properties / url / description
      Added value: +"Product page in pricing_bucket. Use verbatim."
    • changedOutput schema / properties / plans / items / properties / validity / description
      Previous value: -"Data Pack: validity label."New value: +"Validity label, e.g. \"30 days\"."
    • addedOutput schema / properties / plans / items / properties / voice_sms
      Added value: +{
      +  "description": "Always \"none\": data only, no telephone number, no SMS.",
      +  "type": "string"
      +}
    • addedOutput schema / properties / pricing_bucket
      Added value: +{
      +  "type": "string"
      +}
    • addedOutput schema / properties / returned
      Added value: +{
      +  "type": "integer"
      +}
    • addedOutput schema / properties / total_available
      Added value: +{
      +  "description": "Plans matched before limit; the rest are on all_plans_url.",
      +  "type": "integer"
      +}
  3. Changed4 schema fields changed
    • addedOutput schema / properties / plans / items / properties / days_range
      Added value: +{
      +  "description": "Only on price_basis \"per_day\": the durations the customer can choose, in days, e.g. \"1-30\".",
      +  "type": "string"
      +}
    • changedOutput schema / properties / plans / items / properties / price / description
      Previous value: -"Full fixed price in currency; not per-day or per-GB."New value: +"Price in currency, to be read WITH price_basis: the full fixed price of the plan when price_basis is \"total\", the price of one day when it is \"per_day\". Never a per-GB rate."
    • addedOutput schema / properties / plans / items / properties / price_basis
      Added value: +{
      +  "description": "What `price` means. \"total\" = the whole plan (Data Pack, Daily Pack). \"per_day\" = one day (Unlimited Flex): the duration is chosen at checkout within days_range and price_max is the longest-duration price.",
      +  "enum": [
      +    "total",
      +    "per_day"
      +  ],
      +  "type": "string"
      +}
    • addedOutput schema / properties / plans / items / properties / price_max
      Added value: +{
      +  "description": "Only on price_basis \"per_day\": the price for the longest duration in days_range, discount already applied — the figure to quote for a full period. Absent when it cannot be computed; never infer it by multiplying price.",
      +  "type": "number"
      +}
  4. First observed

TDQS

A4.5/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already declare readOnly, idempotent, open-world and non-destructive, so the safety profile is covered. The description goes beyond them by disclosing result ordering ("best-value plans first"), the inclusion of multi-country plans flagged as covers_via, and the return payload shape (facts, coverage lists, direct link). It stops short of detailing pagination or result limits.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Two sentences, zero filler, and the structure is front-loaded: what is returned first, then when to reach for it and which sibling to prefer instead. Every clause carries routing or result information.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

With 9 optional parameters at full schema coverage, complete annotations, and an output schema that documents return values, the description needs only to supply scope and routing — which it does. Nothing an agent needs before invoking this tool is missing.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 100% and the enum semantics for sort/type are fully documented in the schema, so the baseline is 3. The description contributes only the loose hints that destinations may be any language and that several destinations constitute one trip — helpful framing, but nothing the schema does not already establish.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description opens with a specific verb+resource ("Find eSIM plans") and immediately bounds the scope to one or several destinations, in any language. It also explicitly distinguishes itself from the sibling recommend_plan, so an agent can route correctly without opening either schema.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Gives an explicit trigger ("Use when a user wants mobile data abroad") plus the disambiguation rule for the alternative ("use recommend_plan when they describe a whole trip"). This is exactly the when/when-not/alternative split the dimension asks for.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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