Who it is for
Groups travelling together who split costs and want one shared plan everyone can edit.
Collaborative trip planning with a companion app
Overview
Lambus keeps the moving parts of a trip together: the itinerary, the daily plan, points of interest and the shared expenses.
Planning happens in the chat, and the resulting trip continues in the Lambus mobile app once travel begins. That handover is the point of the design. The app covers what a conversation cannot, including offline access to the plan where there is no signal, alerts when a flight is delayed, and edits made by several travellers on the same trip.
A trip starts from a single instruction naming the destination and is filled in from there.
Groups travelling together who split costs and want one shared plan everyone can edit.
Planning done in the chat carries over to the Lambus app for offline access, delay alerts and collaboration during the trip.
Availability
Lambus is listed in the ChatGPT apps directory only. Lambus GmbH has no connector under the same domain in the Claude directory; 392 of the 3,150 products here are on both marketplaces, and this is not one of them.
ChatGPT apps are built on MCP, and the same server can back a Claude connector, so the absence is a distribution decision rather than a technical one.
ChatGPT listing
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This is an independent catalogue entry compiled by Node8 from Lambus's public marketplace listing as it stood in August 2026. Listing facts come from the marketplaces; the comparisons against the rest of the directory and any live-endpoint measurements are Node8's. Node8 is not affiliated with Lambus GmbH, and inclusion here is not an endorsement.
Node8 builds MCP servers end to end: deciding which tools are worth exposing, the authentication and permission model, the review submissions, and the onboarding that gets them used. One server serves ChatGPT, Claude, and Microsoft Copilot.