Spec Driven Development
MCP Server that facilitates spec-driven development workflows, not just Vibe Coding.
Description from the maker (original English)
Read venue, treatments, open times and bookings; set hours and blocked times in Wellknown.
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://wellknown.usefulapi.io/mcpRun this in your terminal
claude mcp add --transport http wellknown https://wellknown.usefulapi.io/mcpPaste into .cursor/mcp.json in your project, or ~/.cursor/mcp.json
{
"mcpServers": {
"wellknown": {
"url": "https://wellknown.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": {
"wellknown": {
"type": "http",
"url": "https://wellknown.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://wellknown.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.
wellknown_get_venueGet the venue profile: name, market (uk/us), currency, timezone, slot and buffer minutes, lead hours, opening hours per weekday, cancellation rules and treatments. Good first call. Wellknown API: GET /venue/.
wellknown_list_treatmentsList the venue's treatments with id, name, kind, duration, price per person (minor units), max guests, capacity and peak-date seasons. Wellknown API: GET /treatments/.
wellknown_get_availabilityGet the free time slots Wellknown sells, per treatment per day (time, end, places free). Up to 31 days per call; `to` is exclusive. Wellknown API: GET /availability/.
wellknown_list_bookingsList bookings changed since a timestamp (the updatedAt high-water mark). Bookings are already paid in full. Output holds customer contact data and guest health answers: treat them as sensitive. Wellknown API: GET /bookings/.
wellknown_get_bookingGet one booking by reference (for example WK-7KQ2MD): status (confirmed, checked in, completed, cancelled), treatment, guests, date, times, customer and money fields in minor units. Contains sensitive health answers. Wellknown API: GET /bookings/{ref}/.
wellknown_set_date_hoursWRITE. Change opening hours for single dates on Wellknown. Per day: opens + closes (HH:MM), or closed true, or only the date to go back to normal hours. Changes what customers can book. Wellknown API: PUT /availability/.
wellknown_replace_blocksWRITE, FULL REPLACE. Set the times the venue's own appointments take, so Wellknown never double-books. Every block NOT sent is removed. units = places taken from every treatment; units 0 closes the whole venue for that time. Wellknown API: PUT /blocks/.
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 309 ms (HTTP 200)
No sign-in needed
Read 7 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 (1.2.3) 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, Symantec Cloud DLP AIops
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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.
Use your Wellknown account from Claude, Cursor, or any MCP client. Read your venue, treatments, open times and bookings, and set opening hours and blocked times. Hosted, no local install: connect with your own credentials.
Live endpoint: https://wellknown.usefulapi.io/mcp · Homepage: https://usefulapi.io
https://wellknown.usefulapi.io/mcp.claude mcp add --transport http wellknown https://wellknown.usefulapi.io/mcp, then run /mcp to log in.{
"mcpServers": { "wellknown": { "url": "https://wellknown.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 Wellknown credentials.
Step-by-step setup, where to find your credentials, and FAQ: https://usefulapi.io/wellknown/
On first connect you provide a Wellknown venue API key that starts with wk_ (Wellknown portal → Connect systems → API). The server validates it and stores it per user. No keys go in config files.
| Tool | Type | What it does |
|---|---|---|
wellknown_get_venue | read | Get venue |
wellknown_list_treatments | read | List treatments |
wellknown_get_availability | read | Get free times |
wellknown_list_bookings | read | List bookings |
wellknown_get_booking | read | Get a booking |
wellknown_set_date_hours | write | Set hours for single dates |
wellknown_replace_blocks | write | Replace blocked times |
wellknown_usage_status | meta | Usage status (free-tier meter) |
wellknown_request_feature | meta | Request a missing feature |
wellknown_upgrade | meta | Upgrade to Pro or Pro+ |
wellknown_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 wellknown_upgrade (it returns a Stripe Checkout link). Cancel any time with wellknown_cancel_subscription: Pro continues to the end of the paid period, with no refund for the current period, and running wellknown_upgrade before then undoes the cancel. Or write to support@usefulapi.io.
MIT — see LICENSE. Documentation only; the server is hosted.