# Extralingo

> Search language schools abroad, compare courses, dates and prices, and request bookings.

- name: com.extralingo/extralingo
- version: 3.0.1
- connection class: R0 (autonomous)
- trust: 83/100 flags: no-repository
- quality: 75/100 (good)
- owner: not claimed
- descriptor: https://api.protogrid.dev/v1/servers/com.extralingo%2Fextralingo
- tools: https://api.protogrid.dev/v1/servers/com.extralingo%2Fextralingo/tools

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

## Connection (mcpServers)

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


## Trust

- hygiene: 80
- liveness: 100
- freshness: 100
- provenance: 55
- drivers: +dns-namespace +website +reachable +uptime-100% +updated-17d-ago -no-repository
- Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed.

## Quality 75/100 (good)

### 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`: 17 of 17 tools declare readOnlyHint or destructiveHint
- pass `tools.directory_hints`: every tool declares readOnlyHint, destructiveHint, idempotentHint and openWorldHint
- pass `tools.token_cost`: about 5,955 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`: 17 tool changes in 30 days
- fail `stability.rug_pull`: 5 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: 17, about 5,955 tokens to load them all
- tool set hash: eff84b4b103eeba383aea2f2b0e0005b
- tools last changed: 2026-10-03T15:26:45.906Z
- badge: [![protogrid quality](https://protogrid.dev/badge/com.extralingo/extralingo.svg)](https://protogrid.dev/servers/com.extralingo/extralingo)
- Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed.

### Tool changes

- 2026-10-03 `ask_school_question` changed (description, inputSchema, outputSchema) **meaning changed**
  - before: Send a question to the school without a full trip config. Requires auth_token. Contact email is always the verified account email.
  - after: Send a question to the school without a full trip configuration. Requires OAuth requests scope. Optional idempotency_key.
- 2026-10-03 `request_discussion` changed (description, inputSchema, outputSchema) **meaning changed**
  - before: Open a trip discussion with the school. Requires auth_token. Contact email is always the verified account email.
  - after: Trip discussion: trip_id or school_id+configuration plus message. ask_school_question: question without a trip. request_quote: personal quote (comments) when not booking. School gets the config; Extralingo emails the verified account and coordinates replies. Returns kind, newBookingId, redirectUrl, message (not a booking). OAuth scope requests. Optional idempotency_key.
- 2026-10-03 `request_quote` changed (description, inputSchema, outputSchema)
  - before: Ask the school for a personal quote. Use when bookings_live is false, or the student is not ready to book. Requires auth_token. Contact email is always the verified account email.
  - after: Ask the school for a personal quote when bookings_live is false or the student is not ready to book. Requires OAuth requests scope. Optional idempotency_key.
- 2026-10-03 `create_booking` changed (description, inputSchema, outputSchema) **meaning changed**
  - before: Makes a real unpaid booking with the school. The school still confirms availability. A down payment is due within 5 days of the school's confirmation via Extralingo only. Requires a credential (OAuth bookings scope or a legacy auth_token), idempotencyKey and phone. Contact email is always the verified account email. Never tell the user they are confirmed or paid.
  - after: Submit an unpaid booking for a bookings_live school (same path as the website Book now flow). The school still confirms availability; Extralingo emails the student; down payment is due within 5 days of school confirmation via Extralingo only. Never tell the user they are confirmed or paid. Requires OAuth bookings scope (Bearer token). Optional idempotency_key replays the same payload within 24 hours.
- 2026-10-03 `email_trip` changed (description, inputSchema, outputSchema)
  - before: Email continue_url (/s/{id}) to the verified account email. Requires OAuth trips scope. Rate-limited. This is not a booking. Without auth, share continue_url from save_trip instead.
  - after: Email continue_url (/s/{id}) to the verified account inbox. Requires OAuth trips scope. Rate-limited. Not a booking; you can share continue_url without emailing.
- 2026-10-03 `get_trip` changed (description, inputSchema, outputSchema)
  - before: Load a saved trip by trip_id. Returns continue_url for website handoff with the configuration restored.
  - after: Load a saved trip by trip_id from save_trip. Returns continue_url for website handoff with configuration restored.
- 2026-10-03 `save_trip` changed (description, inputSchema, outputSchema)
  - before: Create or update a server-side trip draft. Returns trip_id, url (legacy), trip_url, and continue_url (/s/{id}) so the student can continue on Extralingo.com with selections restored. Not a booking. Requires OAuth trips scope (Bearer token).
  - after: Create or update a server-side trip draft. Returns trip_id, url, trip_url, and continue_url (/s/{id}) so the student can restore selections on Extralingo.com. Not a booking. Requires OAuth trips scope (Bearer token).
- 2026-10-03 `calculate_trip_price` changed (description, inputSchema, outputSchema)
  - before: Live checkout quote for a configuration. Not a booking. Call this before create_booking.
  - after: Live checkout quote for a configuration. Not a booking. Call before create_booking and before telling the student a final price.
- 2026-10-03 `get_accommodation_details` changed (description, inputSchema, outputSchema) **meaning changed**
  - before: Details for one accommodation group id from list_accommodations.
  - after: One group from list_accommodations (group_id): type, room_types, meal/board options, distance, amenities, age and min-stay rules, and week prices for startDate and currency. Use after list_accommodations, before save_trip or calculate_trip_price, or to answer questions about one option. Week prices are indicative; call calculate_trip_price for a checkout total.
- 2026-10-03 `get_course_details` changed (description, inputSchema, outputSchema)
  - before: Details for one course id from list_courses.
  - after: Details for one course id from list_courses (pricing rows, supplements, metadata).

Full history: https://api.protogrid.dev/v1/servers/com.extralingo%2Fextralingo/changes

## Remotes

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

## Packages

_none_

## Tools (17)

- `ask_school_question`: Send a question to the school without a full trip configuration. Requires OAuth requests scope. Optional idempotency_key.
- `calculate_trip_price`: Live checkout quote for a configuration. Not a booking. Call before create_booking and before telling the student a final price.
- `create_booking`: Submit an unpaid booking for a bookings_live school (same path as the website Book now flow). The school still confirms availability; Extralingo emails the student; down payment is due within 5 days of school confirmation via Extralingo only. Never tell the user they are confirmed or paid. Requires OAuth bookings scope (Bearer token). Optional idempotency_key replays the same payload within 24 hours.
- `email_trip`: Email continue_url (/s/{id}) to the verified account inbox. Requires OAuth trips scope. Rate-limited. Not a booking; you can share continue_url without emailing.
- `get_accommodation_details`: One group from list_accommodations (group_id): type, room_types, meal/board options, distance, amenities, age and min-stay rules, and week prices for startDate and currency. Use after list_accommodations, before save_trip or calculate_trip_price, or to answer questions about one option. Week prices are indicative; call calculate_trip_price for a checkout total.
- `get_course_details`: Details for one course id from list_courses (pricing rows, supplements, metadata).
- `get_school`: School briefing: profile, cancellation policy, reviews, image URLs, bookings_live flag, and optional hero image for chat UI. Requires school_id from search_language_schools.
- `get_school_filters`: Valid filter values for search_language_schools (languages, countries, cities, course types, and other facets).
- `get_trip`: Load a saved trip by trip_id from save_trip. Returns continue_url for website handoff with configuration restored.
- `list_accommodations`: Accommodation groups for a school. Use group ids in save_trip configuration (accommodationGroupId).
- `list_courses`: Live course catalogue for a bookings_live school (course ids, weeks, prices). Use returned course ids inside save_trip configuration.
- `list_starting_dates`: Allowed course start dates (typically Mondays) for a school. Use startDate values in list_courses and configuration.startDate.
- `request_discussion`: Trip discussion: trip_id or school_id+configuration plus message. ask_school_question: question without a trip. request_quote: personal quote (comments) when not booking. School gets the config; Extralingo emails the verified account and coordinates replies. Returns kind, newBookingId, redirectUrl, message (not a booking). OAuth scope requests. Optional idempotency_key.
- `request_quote`: Ask the school for a personal quote when bookings_live is false or the student is not ready to book. Requires OAuth requests scope. Optional idempotency_key.
- `save_trip`: Create or update a server-side trip draft. Returns trip_id, url, trip_url, and continue_url (/s/{id}) so the student can restore selections on Extralingo.com. Not a booking. Requires OAuth trips scope (Bearer token).
- `search_destinations`: Search cities, countries, and school names. Use before search_language_schools to resolve place names to slugs.
- `search_language_schools`: Search and rank language schools. Returns school_id, url, indicative from-price, and reviews. Prices are not a booking quote; call calculate_trip_price before quoting a total.