# esimoa — travel eSIM comparison

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

- name: com.esimoa/esim
- version: 1.1.0
- connection class: R0 (autonomous)
- trust: 96/100
- quality: 84/100 (good)
- owner: not claimed
- descriptor: https://api.protogrid.dev/v1/servers/com.esimoa%2Fesim
- tools: https://api.protogrid.dev/v1/servers/com.esimoa%2Fesim/tools

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

## Connection (mcpServers)

```json
{
  "mcpServers": {
    "esim": {
      "type": "http",
      "url": "https://api.esimoa.com/mcp",
      "headers": {
        "X-API-Key": "${X_API_KEY}"
      }
    }
  }
}
```

Placeholders to fill: `${X_API_KEY}`.

## Trust

- hygiene: 100
- liveness: 100
- freshness: 100
- provenance: 85
- drivers: +repository +dns-namespace +website +reachable +uptime-100% +updated-18d-ago
- Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed.

## Quality 84/100 (good)

### protocol: 100 (weight 25)

- pass `protocol.modern`: supports 2026-07-28 (server/discover)
- pass `protocol.stateless`: answers without a session
- pass `protocol.transport`: streamable HTTP
- pass `protocol.list_ttl`: tool list is cacheable (ttlMs 3600000)

### 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 1,502 tokens to load every tool
- pass `tools.api_dump`: tools are not a one-to-one API dump

### stability: 25 (weight 15)

- warn `stability.changes`: 6 tool changes in 30 days
- fail `stability.rug_pull`: 1 tools kept their name but changed most of their description in 30 days; review before trusting them

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

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

- tools: 6, about 1,502 tokens to load them all
- tool set hash: 592a02d04d02cda1600fb0292f3132e6
- tools last changed: 2026-10-02T17:51:38.590Z
- badge: [![protogrid quality](https://protogrid.dev/badge/com.esimoa/esim.svg)](https://protogrid.dev/servers/com.esimoa/esim)
- Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed.

### Tool changes

- 2026-10-02 `fetch` changed (description, outputSchema, annotations) **meaning changed**
  - before: Fetch full details of an eSIM plan by id returned from search.
  - after: 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.
- 2026-10-02 `search` changed (description, outputSchema, annotations)
  - before: Search travel eSIM plans by free-text query, 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.
  - after: 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.
- 2026-10-02 `list_countries` changed (description, inputSchema, outputSchema, annotations)
  - before: List countries where esimoa sells eSIMs, with the number of plans and the lowest price (KRW). Optionally filter by name.
  - after: List countries where esimoa (이심모아) sells eSIMs, with the number of plans and the lowest price (KRW). Optionally filter by name.
- 2026-10-02 `compare_esims` added
  - 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.
- 2026-10-02 `get_esim` changed (description, inputSchema, outputSchema, annotations)
  - before: Get the details of one esimoa eSIM plan by id (from search_esims), including its plan page `url`.
  - after: Get the details of one esimoa (이심모아) eSIM plan by id (from search_esims), including its plan page `url`.
- 2026-10-02 `search_esims` changed (description, inputSchema, outputSchema, annotations)
  - before: Search esimoa’s travel eSIM catalog 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 a `url` to the plan page on esimoa.com. Prices are in KRW.
  - after: 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.

Full history: https://api.protogrid.dev/v1/servers/com.esimoa%2Fesim/changes

## Remotes

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

## Packages

_none_

## Tools (6)

- `compare_esims`: 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.
- `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.
- `get_esim`: Get the details of one esimoa (이심모아) eSIM plan by id (from search_esims), including its plan page `url`.
- `list_countries`: List countries where esimoa (이심모아) sells eSIMs, with the number of plans and the lowest price (KRW). Optionally filter by name.
- `search`: 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.
- `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.