Spec Driven Development
MCP Server that facilitates spec-driven development workflows, not just Vibe Coding.
Description from the maker (original English)
Read Appointo bookings, availability and subscriptions; create, reschedule and cancel bookings.
These three are never merged into one score: opinions, measurements and popularity are different things.
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Works in Claude on the web, desktop and mobile:
https://appointo.usefulapi.io/mcpRun this in your terminal
claude mcp add --transport http appointo https://appointo.usefulapi.io/mcpPaste into .cursor/mcp.json in your project, or ~/.cursor/mcp.json
{
"mcpServers": {
"appointo": {
"url": "https://appointo.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": {
"appointo": {
"type": "http",
"url": "https://appointo.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://appointo.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.
appointo_list_productsList the Shopify products that are set up as bookable in Appointo: name, appointment type, whether the widget is shown, and each product's appointments (the bookable variants/services with price, currency and id). Use an appointment id for availability and bookings. GET /products
appointo_list_appointmentsList appointments, i.e. the bookable services/variants, with name, price, currency and configuration. Filter by product or fetch one by id. These are the services customers book, not the bookings themselves (use appointo_list_bookings for those). GET /appointments.
appointo_get_availabilityThe free time slots of one appointment (bookable service) from start_date, optionally to end_date. Use it before creating or rescheduling a booking. GET /appointments/{appointment_id}/calendar_availability.
appointo_list_bookingsList bookings with time, product, duration, quantity, price and the customers (name, email, phone, address). Filter upcoming/past or search; pass booking_id for one booking. The customers' cancel/reschedule link ids are never returned. GET /bookings.
appointo_list_cancelled_bookingsList cancelled bookings, same shape as appointo_list_bookings. GET /bookings/cancelled_bookings.
appointo_list_subscription_contractsList the recurring booking subscription contracts (customers who subscribed to repeat appointments). Search by product, variant, order number or customer name. The API documents no paging for this list. GET /appointment_subscriptions.
appointo_create_bookingWRITE: create a booking for a customer on an appointment (bookable service) at a time slot. This is a real booking: Appointo may email the customer a confirmation and reserve the slot; the booking can later be cancelled with appointo_cancel_booking. Check appointo_get_availabilit
appointo_reschedule_bookingWRITE: move a booking (or only some of its customers) to a new time slot. Appointo may notify the customers of the change. override=true forces the booking into the slot even if it is unavailable or full, so leave it off unless the user explicitly asked for it. The docs cap this
appointo_cancel_bookingWRITE: cancel a booking, or only some of its customers. The slot is freed and Appointo may notify the customers; whether a Shopify order is refunded is not controlled by this call. Cannot be undone through this server (create a new booking instead). The docs cap this at 100 reque
appointo_update_booking_buffersWRITE: set the start and/or end buffer time (minutes blocked before/after) of one booking. At least one value is required. The docs cap this at 100 requests per day. PUT /bookings/{booking_id}.
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
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Read 10 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 (1.16.3) 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, Recta
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
MCP Server that facilitates spec-driven development workflows, not just Vibe Coding.
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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.
Read Appointo bookings, availability and subscriptions; create, reschedule and cancel bookings.
Live endpoint: https://appointo.usefulapi.io/mcp · Homepage: https://usefulapi.io/appointo
https://appointo.usefulapi.io/mcp.claude mcp add --transport http appointo https://appointo.usefulapi.io/mcp, then run /mcp to log in.{
"mcpServers": { "appointo": { "url": "https://appointo.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 Appointo credentials.
Step-by-step setup, where to find your credentials, and FAQ: https://usefulapi.io/appointo/
On first connect you'll paste your Appointo API token (the Appointo app → Plans & Settings; paid plan).
| Tool | Type | What it does |
|---|---|---|
appointo_list_products | read | List bookable products |
appointo_list_appointments | read | List appointments (bookable services) |
appointo_get_availability | read | Get appointment availability |
appointo_list_bookings | read | List bookings |
appointo_list_cancelled_bookings | read | List cancelled bookings |
appointo_list_subscription_contracts | read | List subscription contracts |
appointo_create_booking | write | Create booking |
appointo_reschedule_booking | write | Reschedule booking |
appointo_cancel_booking | write | Cancel booking |
appointo_update_booking_buffers | write | Update booking buffer times |
appointo_usage_status | meta | Usage status (free-tier meter) |
appointo_request_feature | meta | Request a missing feature |
appointo_upgrade | meta | Upgrade to Pro or Pro+ |
appointo_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 user) | $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 appointo_upgrade (it returns a Stripe Checkout link). Cancel any time with appointo_cancel_subscription: Pro continues to the end of the paid period, with no refund for the current period, and running appointo_upgrade before then undoes the cancel. Or write to support@usefulapi.io.
MIT © usefulapi. Not affiliated with or endorsed by Appointo.