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Slotrobin MCP Server

by kyleclouthier Your server? Claim it
answering

Slotrobin is answering right now. Last checked 14 min ago. It exposes 8 tools.

Find, get quotes from and book local service businesses on their own Square or Google calendar.

Uptime history 18 days of history
18 days agonow
100.0%
Uptime 24h
91 of 91 checks
8
Tools
read from the server
244 ms
Response time
average over 24h
open, no key
Access
streamable-http

Nothing serious here today

Today is the operative word: we check Slotrobin every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Three servers free · no card

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 14 min ago.

run in your terminal
claude mcp add slotrobin --transport http https://open-booking-csl.web.app/mcp
~/Library/Application Support/Claude/claude_desktop_config.json
{
  "mcpServers": {
    "slotrobin": {
      "url": "https://open-booking-csl.web.app/mcp"
    }
  }
}
~/.codex/config.toml
[mcp_servers.slotrobin]
url = "https://open-booking-csl.web.app/mcp"
.cursor/mcp.json
{
  "mcpServers": {
    "slotrobin": {
      "url": "https://open-booking-csl.web.app/mcp"
    }
  }
}
.vscode/mcp.json
{
  "mcpServers": {
    "slotrobin": {
      "url": "https://open-booking-csl.web.app/mcp"
    }
  }
}

Available tools 8

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

request
check_request_status
Has the business confirmed, declined or replied? reference is the one returned by request_quote or book_appointment; customer_contact is the customer's email or phone.
request_quote
Send a quote request to the business. Only after the customer has confirmed the details; set customer_confirmed=true to say so. Needs an email or phone so the business can reply.
availability
check_availability
Open times for a service. start and end are ISO 8601 with UTC offset, at most 14 days apart, e.g. start="2026-10-01T00:00:00-04:00", end="2026-10-03T00:00:00-04:00". Times are offers, not holds.
book
book_appointment
Book a time returned by check_availability. Only after the customer has said yes to this exact business, service and time; set customer_confirmed=true to say so. Returns confirmed, pending (the business will confirm) or failed, with a reference.
business
get_business
Read a business's booking page: services with ids, prices, hours rules and how to book. Read this first.
businesses
find_businesses
Search the directory of bookable service businesses. All filters optional. query: words to match (e.g. "plumber"); category: e.g. "plumbing"; locality: e.g. "Petawawa".
cancel
cancel_booking
Cancel a booking made earlier. customer_contact is the email or phone used for the booking. Only after the customer has clearly said they want to cancel; set customer_confirmed=true to say so. To reschedule: check_availability, confirm the new time with the customer, book_appointment, then cancel the old one.
services
list_services
List a business's services (id, name, duration, price basis, bookable or quote only).

Endpoints

URLTransportStateLatencyChecked
https://open-booking-csl.web.app/mcp streamable-http answering 169 ms 14 min ago

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Slotrobin — questions

Answers built from our own checks of this server.

What can Slotrobin do?
It exposes 8 tools, read directly from the server on our last check. Among them: book_appointment, cancel_booking, check_availability, check_request_status, find_businesses, get_business and 2 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 Slotrobin 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 244 ms. The bar chart above shows every period we have measured.
How do I connect Slotrobin?
Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.
Does Slotrobin need an API key?
No. Slotrobin completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 8 of them are readable on this page. This is what we observed, not what the docs claim.
How fast is Slotrobin?
It answers our handshake in 244 ms on average, which is faster than 53% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.