Appointment Booking MCP Server

by hatchloop Your server? Claim it

answering

Appointment Booking is answering right now. Last checked 12 min ago. It exposes 9 tools. Last commit 22 Sep 2026.

Find real businesses and book appointments. Books via Cal.com; imports 12 platforms.

Uptime history 57 days of history · worst day 34%

57 days agonow

100.0%

Uptime 24h

91 of 91 checks

Tools

read from the server

648 ms

Response time

average over 24h

Stars

last commit 22 Sep 2026

What changed 55

Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 30 August 2026. No other catalogue keeps this.

9 Oct a tool changed version

5 Oct a tool changed version2 times that day

5 Oct a tool description was rewritten schedule_appointment

3 Oct 4 tool descriptions were rewritten find_business, import_booking_url, schedule_appointment and 1 more

3 Oct a tool changed the parameters it asks for find_business

30 Sep a tool description was rewritten find_business

30 Sep a tool changed the parameters it asks for find_business

27 Sep a tool changed the parameters it asks for find_business

22 Sep 2 tools changed the parameters they ask for5 times that day find_business, schedule_appointment

22 Sep 2 tool descriptions were rewritten3 times that day import_booking_url, schedule_appointment

and 40 more, back to 30 August 2026

What the code does

We read the source, 4 d ago · tools taken from the live server · rules 995398eba69f

Capabilities

What this server is able to do. For an MCP server this is often the job itself — a terminal server runs commands because that is what it is for. Listed so you know what you are plugging in, not as an accusation.

Runs an external command compliance/jev_advisory.py:354

        proc = subprocess.run(

Dumps the whole environment compliance/jev_advisory.py:336

    env = dict(os.environ)

Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.

This code can reach further than it looks

We found places where it runs commands, builds paths or queries from values it is given. None of that is a flaw by itself — it becomes one when the code changes, and code changes quietly between releases. We re-read it on every one.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 12 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add appointment-booking --transport http https://hatchloop.dev/mcp/appointment-booking

Settings → Connectors → Add custom connector, then paste this address

https://hatchloop.dev/mcp/appointment-booking

~/.codex/config.toml

[mcp_servers.appointment-booking]
url = "https://hatchloop.dev/mcp/appointment-booking"

.cursor/mcp.json

{
  "mcpServers": {
    "appointment-booking": {
      "url": "https://hatchloop.dev/mcp/appointment-booking"
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "appointment-booking": {
      "type": "http",
      "url": "https://hatchloop.dev/mcp/appointment-booking"
    }
  }
}

Available tools 9

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

booking

check_booking_link

Free, instant pre-flight check for a booking URL. Classifies which booking platform a URL belongs to and tells you whether import_booking_url will accept it, WITHOUT fetching the page or spending money. Returns the platform, the exact smb_id import_booking_url would assign, the channels the booking will route through, and the inferred country. Use it to de-risk a paid booking BEFORE calling import_booking_url + schedule_appointment. [free, no key]

business

find_business

Find real businesses near a place, sorted by distance (nearest of those examined; see result.search). Data: OpenStreetMap (ODbL, (c) OSM contributors); phone, website, hours only when mapped. Coverage varies; community-mapped, NOT verified by us; source=openstreetmap rows cannot be booked. Answers within about 5 s: status partial (search_in_progress) means repeat the call. If OSM is down: retriable 'temporarily unavailable', never invented rows. [free, no key] [beta]

import

import_booking_url

Turn a public booking URL into a callable smb_id for send_message and capture_lead. But schedule_appointment only completes on Cal.com bound to our one connected account — the other 11 always fail schedule_appointment honestly, uncharged. Detects 12 platforms (Cal.com, Calendly, Doctolib, Booksy, Fresha, OpenTable, Setmore, Square, Acuity, Schedulista, Squarespace, BookMyCity). Idempotent — calling twice returns the same smb_id. [free, requires key] [limited]

outcome

get_outcome

Retrieve the final OutcomeReceipt for a completed operation. [free, no key]

preview

preview_cost

Return an expected cost estimate, latency estimate, and success-probability estimate for a proposed call before execution. Returns the exact price when it is fixed, and a min/max range when the cost depends on channel or outcome. It does not promise an accuracy percentage - check cost_range. [free, no key]

schedule

schedule_appointment

Check availability, book, or cancel via Cal.com. Only completes when the SMB's imported booking link is bound to this deployment's ONE connected Cal.com account; otherwise fails honestly (booking_destination_unmapped) with no charge. No working booking path exists yet for non-Cal.com platforms (voice AI, web form) — those SMBs fail honestly instead of a fabricated confirmation. [from $0.15/call, variable, not charged while no payment rail is on] [async→get_outcome] [limited]

self

self_test

Service health probe: runs 6 internal checks and reports how many passed. Confirms the server is up and responding - it does NOT probe each tool individually. Use to verify connectivity before production use. [free, no key]

status

get_status

Query the current state of any in-flight async operation by operation_id. [free, no key]

verify

verify_business

Look up what we know about a business in our supply network: contact channels, capabilities, last verification. A DIRECTORY LOOKUP - it does not contact the business. Supply-network ids only, not osm:... ids. [free, no key] [limited]

Endpoints

URL	Transport	State	Latency	Checked
https://hatchloop.dev/mcp/appointment-booking	streamable-http	answering	637 ms	12 min ago

Alternatives to Appointment Booking

same job, measured the same way

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PhysioArt client booking

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Book, list, and cancel appointments for the signed-in client.

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Appointment Booking — questions

Answers built from our own checks of this server.

What can Appointment Booking do?

It exposes 9 tools, read directly from the server on our last check. Among them: check_booking_link, find_business, get_outcome, get_status, import_booking_url, preview_cost and 3 more. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →

Is Appointment Booking working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 91 of 91 checks got a reply (100.0%), average response time 648 ms. The bar chart above shows every period we have measured.

How do I connect Appointment Booking?

Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.

Does Appointment Booking need an API key?

No. Appointment Booking completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 9 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is Appointment Booking?

It answers our handshake in 648 ms on average, which is faster than 18% of all working MCP servers we measure. That is on the slow side — worth knowing if the tool sits inside an interactive loop. The comparison comes from our own checks across the whole registry, every 15 minutes.

Is Appointment Booking open source?

The code is open source: it is published under the MIT licence, written in Python, 0 stars on GitHub and 1 open issue. The licence covers the code in the repository, not the hosted service at hatchloop.dev, which runs on its operator's own terms.