Spec Driven Development
MCP Server that facilitates spec-driven development workflows, not just Vibe Coding.
Runs on your computer
NuVista Haven MCP Server
Overview
Description from the maker (original English)
AI front desk for NuVista Haven vacation rentals: live availability, rates, booking links.
PopNx MCP’s three pillars
These three are never merged into one score: opinions, measurements and popularity are different things.
- User voiceiNo reviews yetReviews open together with accounts in a later step
- Our basic checksi1 of 1 passedChecked from public information; code not scanned yet
- UsageiVery new★ –
What you can do with it
We have not written a plain-language summary for this one yet. Below are the facts we read from the registry.
- Connection: Runs in the cloud
- Transport: Streamable HTTP
- Category: Other
Install
Pick the AI app you use, then copy the settings.
Before you install
- Basic checks: 1 of 1 passed
- Runs on the maker’s server: what you ask it goes through their server.
- The registry lists no key to fill in.
You need
- Runs in the cloudNothing to install; it connects over the internet
Which app do you use?
Pick your app above. We remember it, so next time the button says “Install in …”.
Works in Claude on the web, desktop and mobile:
- Open Settings → Connectors
- Press Add custom connector
- Paste the address below and press Add
- If it asks you to sign in, sign in with the maker
https://nuvista-haven-mcp.onrender.com/mcpRun this in your terminal
claude mcp add --transport http nuvista-haven https://nuvista-haven-mcp.onrender.com/mcpOr copy the settings yourself
Paste into .cursor/mcp.json in your project, or ~/.cursor/mcp.json
{
"mcpServers": {
"nuvista-haven": {
"url": "https://nuvista-haven-mcp.onrender.com/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.
Or copy the settings yourself
Paste into .vscode/mcp.json in your project
{
"servers": {
"nuvista-haven": {
"type": "http",
"url": "https://nuvista-haven-mcp.onrender.com/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:
- Open ChatGPT on the web → Settings → Connectors (Apps)
- Press Create or Add (some plans need Developer mode under Advanced first)
- Paste the address below, give it a name and save
- If it asks you to sign in, sign in with the maker
https://nuvista-haven-mcp.onrender.com/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.
What it can do
We have not read this server’s tool list yet; we check endpoints in rotation.
Basic checksi
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 8, 2026
- ✓ Pass
Maker matches the repo
The registry name was verified with the GitHub account Cswarey16, which owns the repo
- … Not checked yet
Still maintained
We have not read this repo from GitHub yet
- … Not checked yet
Has a licence
We have not read this repo from GitHub yet
- … Not checked yet
Endpoint responds
Not checked yet; we check endpoints in rotation
- … Not checked yet
Sign-in with OAuth
Not checked yet; we check endpoints in rotation
- … Not checked yet
No hidden instructions in tool descriptions
Not checked yet; we read the tool list when we check the endpoint
Compared with others in Otheri
- More stars than 0% of the other 18474 servers in this category
- Published to the registry more recently than 61% of the other 18474 servers in this category
- Basic checks equal to or better than 100% of the other 18474 servers in this category
Compared with every active server in this category in the registry. Stars count only when the publisher owns the repo.
Common questions
Is NuVista Haven MCP Server safe?
It passed 1 of 1 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.
What keys or codes does it need?
The registry does not list a required key, though some servers ask you to sign in on first use.
Does it run on my computer or in the cloud?
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.
Is it still maintained?
The GitHub repo last changed –, and the latest version (1.0.0) reached the registry 29 days ago.
Which apps can use it?
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.
What can I use instead?
In the same category: Spec Driven Development, Remote Desktop Commander, Brontide agent arena
Alternatives
Servers in the same category from other makers, sorted by stars.
Reading a card:↓ Downloads per weeki★ GitHub starsiThree pillars: reviews · checks · usageiUpdated = latest version published to the registryi
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Runs in the cloud✓ desktopcommander.app
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Runs in the cloud✓ brontide.live
README from the maker
Open the README
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.
NuVista Haven MCP server ("AI front desk")
Model Context Protocol server that lets AI assistants answer, from live data:
- what NuVista Haven properties exist →
search_properties - what's free on given dates →
check_availability(Hospitable calendars) - what's the price →
get_quote(nightly rates × nights + cleaning fee) - where to book direct →
get_booking_link(nuvistahaven.com)
Security model
- Read-only by construction.
hospitable_client.pyexposes exactly one HTTP verb (GET) against an allow-list of read paths (/user,/properties,/reservations). There are no POST/PUT/PATCH/DELETE methods anywhere — even though the token may carry write scopes, this code cannot mutate anything in Hospitable. - Token handling. The Hospitable Personal Access Token is read ONLY from the
HOSPITABLE_API_TOKENenvironment variable. It is never hardcoded, never logged, never written to disk.
Setup
cd ~/workspace/nuvista-mcppython3 -m venv venv ./venv/bin/pip install -r requirements.txt
Run
# local testing (stdio)HOSPITABLE_API_TOKEN= ./venv/bin/python server.py
public hosting (Streamable HTTP)
HOSPITABLE_API_TOKEN= ./venv/bin/python server.py --http --port 8000
Tests (mocked, no token needed)
./venv/bin/python test_server.pyOne-time: map Hospitable property IDs
properties.py holds the 12 canonical properties with best-effort Hospitable name guesses (7 strong, 5 guesses — see guess_confidence). With a live token, run the matcher and confirm each mapping by hand, then fill in hospitable_id per property:
HOSPITABLE_API_TOKEN=<token> ./venv/bin/python - <<'EOF'import sys; sys.path.insert(0, '.') from hospitable_client import HospitableClient from logic import build_id_mapping import json print(json.dumps(build_id_mapping(HospitableClient()), indent=2)) EOF
Entries with "needs_human_confirm": true must be verified before use — check_availability/get_quote refuse to run for unmapped properties.
Known API gaps / assumptions (verify against live API)
- Calendar query params:
get_calendarsendsstart_date/end_date(the Hospitable convention used by/reservations). If the endpoint ignores them, availability windows may be wrong — verify on first live run. - Cleaning fee: not part of the calendar day object.
get_quoteprobes the property record for common fee shapes; if absent, the total is explicitly markedtotal_is_partial_estimate: true— never silently zero. - Booking-link date params: date pre-fill via query string on nuvistahaven.com is unverified, so
get_booking_linkreturns the plain property URL (no fabricated params). - Reservations cross-check:
list_reservationsis implemented but the calendar is the source of truth; reservations are not currently consulted.
Files
server.py— FastMCP server, 4 tools, stdio + Streamable HTTPlogic.py— tool logic (testable without MCP)hospitable_client.py— GET-only Hospitable Public API v2 clientproperties.py— canonical 12-property registry + Hospitable mappingtest_server.py— mock-based tests