MCP server

Leave Hacker Official

app.leavehacker/leave-hacker

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

Which days of annual leave to book around bank holidays for the most days off, and cheap flights.

Website

At a glance

Type

MCP server

Publisher

leavehacker.app (verified by the MCP Registry)

Status

Working at last check

Tools

6

Token cost

About 2,569 tokens per request

Sets up in

Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok

Last checked

26 Oct 2026, 08:29 UTC

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http leave-hacker https://leavehacker.app/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.leave-hacker]
url = "https://leavehacker.app/mcp"

Gemini CLI

{"mcpServers":{"leave-hacker":{"httpUrl":"https://leavehacker.app/mcp"}}}

Cursor

{"mcpServers":{"leave-hacker":{"url":"https://leavehacker.app/mcp"}}}

VS Code

{"servers":{"leave-hacker":{"type":"http","url":"https://leavehacker.app/mcp"}}}

Antigravity

agy mcp add leave-hacker https://leavehacker.app/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"leave-hacker","server_url":"https://leavehacker.app/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"leave-hacker","server_url":"https://leavehacker.app/mcp"}

Tools

• best_days_to_book ~517 tokens
  Find the days of annual leave to book around each public holiday (or cluster, such as Christmas and New Year) to get the most days off in a row: "book 4 days, get 10 off" options, cheapest first, with the exact dates. Use for "Which days should I book around Easter 2027 in Scotland?". Filter by holi
• find_trips ~380 tokens
  Find the cheapest return flights from a departure airport that fit a break, one per destination, cheapest first, with booking links. Prices are cached airline fares in GBP and can change; if the result says sample, they are example prices only. Links go through leavehacker.app/go and are affiliate l
• get_bank_holidays ~333 tokens
  List the bank holidays (UK, from gov.uk) or public holidays (other countries, from Nager.Date) for a region in a year or between two dates, with weekdays and substitute days. Use it for questions like "When are the bank holidays in Scotland in 2027?". Ranges can be up to three years.
• get_school_holidays ~204 tokens
  Typical state-school holiday dates for a UK nation in a year (half terms, Easter, summer, Christmas). These are the usual pattern, NOT official dates: councils and schools set their own, so always tell the person to check their school's term dates.
• leave_request_message ~360 tokens
  Write the short, polite message asking a manager for the leave days of a break, in the same words as the Leave Hacker app. Pass the dates to book; the break's first and last day are worked out from the weekends (and bank holidays, if you pass region) either side unless you pass them.
• plan_leave_year ~775 tokens
  Plan a whole leave year: the set of breaks that turns the person's annual leave allowance into the most days off, using every bank holiday, with the dates to book for each break and the totals. Handles any leave year start date, part-time working days, three plan styles and school holidays (parents:

Browse

• Booking and scheduling
• Travel and flights

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