Spec Driven Development
MCP Server that facilitates spec-driven development workflows, not just Vibe Coding.
Description from the maker (original English)
Read Fitssey schedules, class capacity, stock, pass pricing, sales and attendance reports.
These three are never merged into one score: opinions, measurements and popularity are different things.
We have not written a plain-language summary for this one yet. Below are the facts we read from the registry.
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Works in Claude on the web, desktop and mobile:
https://fitssey.usefulapi.io/mcpRun this in your terminal
claude mcp add --transport http fitssey https://fitssey.usefulapi.io/mcpPaste into .cursor/mcp.json in your project, or ~/.cursor/mcp.json
{
"mcpServers": {
"fitssey": {
"url": "https://fitssey.usefulapi.io/mcp"
}
}
}Your browser asks to open the app, then the app shows the settings and asks you to confirm. Key values are left empty for you to fill in.
Paste into .vscode/mcp.json in your project
{
"servers": {
"fitssey": {
"type": "http",
"url": "https://fitssey.usefulapi.io/mcp"
}
}
}Your browser asks to open the app, then the app shows the settings and asks you to confirm. Key values are left empty for you to fill in.
ChatGPT connects only to servers on the internet:
https://fitssey.usefulapi.io/mcpMenu names can differ slightly by plan and over time.
Your choice stays on this device in a cookie; no account needed.
These settings are generated from the maker’s registry entry. If the README says otherwise, follow the README.
Tool names and descriptions exactly as the server reported them on Nov 6, 2026. The maker wrote them, not us; we show them as plain text.
fitssey_list_classesRead one page of the class catalog and categories. Excludes descriptions and private notes.
fitssey_list_locationsRead studio locations, business addresses and rooms. Excludes entrance instructions and phone details.
fitssey_list_staffRead one page of studio staff IDs and names; optionally filter by role. Excludes contact and profile details.
fitssey_list_productsRead one page of products with SKU, stock and prices in the vendor’s smallest currency unit.
fitssey_get_productRead one product’s stock, SKU and price. Excludes private notes.
fitssey_list_pricing_optionsRead pass catalog, session allowance and prices in the vendor’s smallest currency unit.
fitssey_get_pricing_optionRead one pass offering and its session, expiry and price settings. Excludes private notes.
fitssey_list_contractsRead contract catalog IDs, names and online-sale flags. Excludes private notes and payment details.
fitssey_get_contractRead one contract’s ID, name and online-sale flag; no payment or bank details.
fitssey_get_scheduleRead scheduled classes and remaining capacities for a date range of at most 31 days. No bookings are changed.
fitssey_list_coursesRead online-bookable courses and their scheduled sessions for a date range of at most 31 days.
fitssey_get_schedule_eventRead one scheduled event, capacities and assigned teachers. Excludes livestream URLs, passwords and private notes.
fitssey_get_client_visits_reportRead one page of class visits for at most 31 days, with client IDs, pass and payment status. Excludes names, emails and private notes. This page is not a complete attendance total.
fitssey_get_sales_reportRead one page of sales for at most 31 days, preserving vendor monetary numbers. Excludes customer names, emails, addresses and invoice tax identifiers. This page is not total revenue.
fitssey_get_active_passes_reportRead one page of active client passes with client IDs and validity; cached by Fitssey for five minutes. Interpret remain with sessionType: limitedVisits counts visits, limitedTime counts minutes, and -1 means no session limit. Excludes names and emails. This page is not a full me
We check information anyone can see; we have not read the code. Checks that do not apply are left out of the count. · Checked Nov 6, 2026
The registry name was verified against the domain usefulapi.io (the registry checks domain ownership)
We have not read this repo from GitHub yet
We have not read this repo from GitHub yet
Responded in 57 ms (HTTP 200)
No sign-in needed
Read 15 tool descriptions and found no hidden instructions to the AI
Compared with every active server in this category in the registry. Stars count only when the publisher owns the repo.
It passed 3 of 3 applicable basic checks. We have not read the code. Before adding a key or token, see what access the server asks for and use a key with only the permissions you need.
The registry does not list a required key, though some servers ask you to sign in on first use.
It runs in the maker’s cloud. Connect over the internet with nothing to install, but what you send passes through the maker’s servers.
The GitHub repo last changed –, and the latest version (1.6.3) reached the registry yesterday.
Apps that support MCP, such as Claude Desktop, Claude Code, Cursor and VS Code. It connects by URL, so apps that accept remote MCP servers work too, such as ChatGPT in developer mode.
In the same category: Spec Driven Development, Remote Desktop Commander, dotnet-mcp
Servers in the same category from other makers, sorted by stars.
Reading a card:★ GitHub starsiThree pillars: reviews · checks · usageiUpdated = latest version published to the registryi
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Copied from the maker’s repo as written. PopNx MCP has not reviewed or endorsed it. HTML, images and scripts are removed. Links lead off this site.
Hosted at https://fitssey.usefulapi.io/mcp.
https://fitssey.usefulapi.io/mcp.claude mcp add --transport http fitssey https://fitssey.usefulapi.io/mcp, then run /mcp to log in.{
"mcpServers": { "fitssey": { "url": "https://fitssey.usefulapi.io/mcp" } } }
Add only the URL. Do not add an Authorization header or an API key to the client config: the server signs you in with OAuth, and the login page asks for your Fitssey credentials.
Step-by-step setup, where to find your credentials, and FAQ: https://usefulapi.io/fitssey/
Connect a dedicated Fitssey API key and Studio UUID. Read-only tools cover studio schedules, capacity, catalogs and reports. Each report reads one page; customer contact fields and private notes are omitted. API key replacement creates a separate billing identity.
| Tool | Type | What it does |
|---|---|---|
fitssey_list_classes | read | List classes |
fitssey_list_locations | read | List locations |
fitssey_list_staff | read | List staff |
fitssey_list_products | read | List products |
fitssey_get_product | read | Get product |
fitssey_list_pricing_options | read | List pricing options |
fitssey_get_pricing_option | read | Get pricing option |
fitssey_list_contracts | read | List contracts |
fitssey_get_contract | read | Get contract |
fitssey_get_schedule | read | Get schedule |
fitssey_list_courses | read | List courses |
fitssey_get_schedule_event | read | Get schedule event |
fitssey_get_client_visits_report | read | Get client visits report |
fitssey_get_sales_report | read | Get sales report |
fitssey_get_active_passes_report | read | Get active passes report |
fitssey_usage_status | meta | Usage status (free-tier meter) |
fitssey_request_feature | meta | Request a missing feature |
fitssey_upgrade | meta | Upgrade to Pro or Pro+ |
fitssey_cancel_subscription | meta | Cancel the Pro subscription |
read tools are read-only; write tools mutate data (clients should confirm them); meta tools report usage, manage your subscription or send a feature request.
| Plan | Price | Limit |
|---|---|---|
| Free | $0 | 50 tool calls / month |
| Pro (per Studio UUID and API key) | $9/mo or $90/yr (2 months free) | Unlimited* |
\*Pro has a fair use limit of 10,000 tool calls a month on this server. For more, write to support@usefulapi.io.
Pro covers this server only. Subscribe with fitssey_upgrade (it returns a Stripe Checkout link). Cancel any time with fitssey_cancel_subscription: Pro continues to the end of the paid period, with no refund for the current period, and running fitssey_upgrade before then undoes the cancel. Or write to support@usefulapi.io.