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Gymmy MCP server

Which MCP servers are Gymmy's own, from the official registry and from asking its own domain, whether they answer, and what they offer. A program checked each of these, nobody copied them from a product page.

read 2026-10-27

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Whose server it is
  • Registry namecom.hellogymmy/gymmyverified in the MCP registry

The registry name sits under hellogymmy.com. The registry only lets a publisher use that namespace after proving control of the domain through DNS or HTTP.

When we asked itchecked 2026-10-27
  • Stateanswerschecked 2026-10-27
  • Tools14
  • Server calls itselfgymmy
  • Server version1.0.0
  • Protocol version2025-06-18

On 2026-10-27 the server answered initialize and tools/list without a sign-in. First answer in 91 ms.

Should an agent connect itNot proven either way yet
  • Its tools do let members book classes and join waitlists, but not import WOD programming from a document; track owner revenue and member attendance.
  • Checked on 1 of the 7 days it takes to judge reliability.

Once connected

  • cancel_booking change data without a sign-in: anyone with the address can call them.

Said by rules from the measurements above. The likely first call is a model's pick from the tool list; read its description before relying on it.

Measured dailydaily checks: 1, the first on 2026-10-27
  • INITE MCP scoreafter a weeka score needs 7 daily checks: 1 so far
  • What an agent can do with it1 of 3 use cases
  • Answeredmeasuring1 of the 7 daily checks it takes to print a share
  • Median first answer262 ms
  • Space in an agent's context≈ 2,671 tokensthe definitions of all its tools (14), which an agent carries on every turn
  • Tool definitionsA · 100 of 100
  • Typed results0 of 14 toolsdeclared outputSchema: results come typed, read once
  • Every tool passes all six checks.

What an agent can do with it

  • cannot · import WOD programming from a document
  • can do · let members book classes and join waitlists
  • cannot · track owner revenue and member attendance

Each of the product's use cases, put to Jev against this server's tool list: can an agent do it with these tools?

Worth a look

  • Tools that change data, on a server that answers without a sign-in: cancel_booking

A program checks the server once a day: initialize and tools/list, no model. Tokens are the definitions' length at about four characters a token. The grade averages six checks of every tool's name, description, schema and annotations; it says how well the tools are described, not whether they work. The score weighs what was measured and nothing else: answering (25%), doing the product's job (25%), definitions (20%), context (10%), use (10%) and how readily a client connects (10%). A part that was not measured is left out, and a hidden instruction caps the score at 40. The state of vendors' MCP servers: method and numbers →

Tools it offers14 tools · read 2026-10-27
  • search_gyms

    Find gyms and studios (CrossFit, HYROX, fitness, yoga, pilates, boxing, martial arts, dance) in France and Europe, near a point or by name, city or postcode. Gymmy gyms (onGymmy: true) can be booked; others are listed from OpenStreetMap…

  • get_gym

    Details of a Gymmy gym: description, address, opening hours, sites, how to book, page and join links.

  • get_schedule

    Upcoming classes of a Gymmy gym (next 14 days): time, duration, spots left, and a booking link with the class already picked.

  • get_prices

    Memberships, class packs and trial offers of a Gymmy gym with prices in EUR and a direct sign-up link per offer.

  • start_trial

    Gives the link to book a trial class at a Gymmy gym, with the trial offer and optionally the class already picked. The person opens it and confirms with their name and email; nothing is booked or charged by this tool.

  • search_classes

    Classes open to visitors right now at Gymmy gyms that accept drop-ins from anywhere (trial, single class or class pack), near a place or point, optionally one day or one kind of class ('hyrox', 'yoga'). Each result has the gym, class_id…

  • book_dropin

    Buys a trial, a single class or a class pack at a Gymmy gym and books the class in one go, for the signed-in person (any Gymmy account, no membership needed). First call without confirm: returns the summary (price, class) to confirm with…

  • join_gym

    Signs the signed-in person up to a Gymmy gym's membership or class pack (from get_prices), paid on the gym's own Stripe Checkout page. First call without confirm returns the summary to confirm; then confirm: true with first_name and…

  • checkout_status

    Status of a purchase started with book_dropin or join_gym (ref): pending (checkout open), processing (bank debit), paid, free or failed, and whether the gym now shows in the person's Gymmy account. The widget calls it by itself after the…

  • my_gyms

    Gyms the signed-in Gymmy member belongs to.

  • my_bookings

    The signed-in member's upcoming booked and waitlisted classes (next 2 weeks), across all their Gymmy gyms (or one with gym).

  • my_schedule

    Classes for a week at the signed-in member's gyms (all of them, or one with gym), with the class ids book_class needs, spots left and whether they are booked.

  • book_class

    Books a class at one of the signed-in member's gyms with their own membership (or puts them on the waitlist when full, if the gym allows). Uses the gym's booking rules. No payment is taken here.

  • cancel_booking

    Cancels the signed-in member's booking (or waitlist spot) for a class. The gym's cancellation deadline applies; a late cancel may count as used.

How to connect

Add the server to your MCP client config. Claude Desktop, Cursor and most other clients read this shape:

{
  "mcpServers": {
    "gymmy": {
      "type": "http",
      "url": "https://hellogymmy.com/api/mcp"
    }
  }
}

Add it

Claude Code, in a terminal

claude mcp add --transport http hellogymmy https://hellogymmy.com/api/mcp

Add to CursorAdd to VS Code

claude.ai, ChatGPT and other clients: add https://hellogymmy.com/api/mcp as a custom connector in the settings.

Each line is something a program found when it went looking: the registry entry, the server's own answer, a spec that parses. A missing line means we did not find it, not that it does not exist.