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voidjet empty legs MCP Server

by voidjet Your server? Claim it
answering

voidjet empty legs is answering right now. Last checked 14 min ago. It exposes 6 tools.

Search empty-leg private jet offers; prepare inquiries and alerts the user confirms by email.

Uptime history 49 hours of history
49 hours agonow
100.0%
Uptime 24h
91 of 91 checks
6
Tools
read from the server
174 ms
Response time
average over 24h
open, no key
Access
streamable-http

What changed 12

Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 10 October 2026. No other catalogue keeps this.

11 Oct 5 tool descriptions were rewritten create_flight_alert, report_unmet_need, request_charter_quote and 2 more
10 Oct 3 tools appeared create_flight_alert, request_charter_quote, request_inquiry
10 Oct 3 tools disappeared create_flight_alert, request_charter_quote, request_inquiry
10 Oct a tool description was rewritten search_empty_legs

Nothing serious here today

Today is the operative word: we check voidjet empty legs 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 empty-legs --transport http https://api.voidjet.io/agent/mcp
~/Library/Application Support/Claude/claude_desktop_config.json
{
  "mcpServers": {
    "empty-legs": {
      "url": "https://api.voidjet.io/agent/mcp"
    }
  }
}
~/.codex/config.toml
[mcp_servers.empty-legs]
url = "https://api.voidjet.io/agent/mcp"
.cursor/mcp.json
{
  "mcpServers": {
    "empty-legs": {
      "url": "https://api.voidjet.io/agent/mcp"
    }
  }
}
.vscode/mcp.json
{
  "mcpServers": {
    "empty-legs": {
      "url": "https://api.voidjet.io/agent/mcp"
    }
  }
}

Available tools 6

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

empty
get_empty_leg
Current details of one offer by the ref returned by search_empty_legs. available=false means the offer is no longer listed.
search_empty_legs
Finds current empty-leg flights by origin and/or destination (city name or IATA/ICAO code), dates, passengers and budget. Returns up to 20 offers with route, date, aircraft, seats, indicative price, a voidjet link and a pre-filled inquiry link; provider names are not included. When more offers match, refine summarises all matches (frequent destinations, date span, prices). With no match, charter_alternative may contain a regular charter via partner Villiers: NOT an empty leg, and a paid partner offer.
request
request_charter_quote
Requests confirmed charter prices from partner Villiers for the route of a charter_alternative, for when the user has seen its price range, asked for confirmed prices and given their email. NOT an empty leg: a regular charter and a paid partner offer. voidjet emails the user a link; Villiers receives the request only after the user sends the form on voidjet.io within 48 hours, then emails confirmed options directly. name, phone and message are optional and come from the user.
request_inquiry
Prepares an inquiry for one offer, for when the user has asked to inquire and given their email. voidjet emails the user a link; nothing is forwarded to the provider until the user opens it and sends the pre-filled form on voidjet.io within 48 hours. name, phone and message are optional, come from the user and only pre-fill the form. Prices are indicative.
flight
create_flight_alert
Sets up an email alert for new empty legs on a route or from a place, for when the user asks to be notified and gives their email. voidjet emails a confirmation link; the alert becomes active only after the user clicks it (double opt-in, valid 7 days). Needs origin or destination; dates, passengers and budget are optional.
report
report_unmet_need
Records a need voidjet cannot serve, for when the user wants voidjet to know about it: e.g. no offer on the route, a return flight, pets, instant booking. Takes 1-5 categories and optional route, dates, passengers and budget; no personal data. Helps voidjet decide what to add.

Endpoints

URLTransportStateLatencyChecked
https://api.voidjet.io/agent/mcp streamable-http answering 148 ms 14 min ago

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voidjet empty legs — questions

Answers built from our own checks of this server.

What can voidjet empty legs do?
It exposes 6 tools, read directly from the server on our last check. Among them: create_flight_alert, get_empty_leg, report_unmet_need, request_charter_quote, request_inquiry, search_empty_legs. 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 →
What is voidjet empty legs mostly used for?
Its tools cluster around empty and request. That is what this server is built to work with — the grouping comes from the actual tool names, not from a category we assigned.
Is voidjet empty legs 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 174 ms. The bar chart above shows every period we have measured.
How do I connect voidjet empty legs?
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 voidjet empty legs need an API key?
No. voidjet empty legs completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 6 of them are readable on this page. This is what we observed, not what the docs claim.
How fast is voidjet empty legs?
It answers our handshake in 174 ms on average, which is faster than 67% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.