TREK
A self-hosted travel/trip planner with real-time collaboration, interactive maps, PWA support, SSO, budgets, packing lists, and more.
TREK MCP server bridges AI assistants with a self-hosted travel planning platform, exposing trip management, itinerary planning, budget tracking, and packing list features through a Model Context Protocol interface. The server provides OAuth 2.1 authentication with 27 granular scopes across 13 permission groups, enabling AI agents to create trips, organize day plans, manage expenses, track visited countries, and build packing lists. It surfaces over 150 tools and 30 resources, allowing assistants to automate end-to-end travel workflows. The MCP addon is admin-toggleable and integrates with TREK's real-time collaborative travel planner backend.
Key Features
Use Cases
- 01Ask an AI assistant to create a multi-day trip itinerary with places automatically organized by day
- 02Automate packing list generation based on trip destination, duration, and weather forecasts
- 03Query trip budgets and expense breakdowns, including per-person splits and settlement calculations
- 04Update travel plans conversationally, adding reservations, flights, or accommodations via natural language
- 05Track visited countries and travel statistics through AI-driven queries against the Atlas addon
- 06Generate trip summaries and export trip data for sharing or analysis
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TREK — FAQ
What is the TREK MCP server?+
The TREK MCP server is a Model Context Protocol interface built into TREK, a self-hosted travel planner. It exposes over 150 tools and 30 resources that allow AI assistants to automate trip planning, budgeting, packing lists, and travel tracking through OAuth 2.1 authenticated API calls.
How do I install and connect the TREK MCP server?+
Deploy TREK using Docker with an ENCRYPTION_KEY, then enable the MCP addon in the admin panel. Configure your MCP client to connect to your TREK instance's `/mcp` endpoint using OAuth 2.1 authentication with the scopes and credentials generated in TREK's admin settings.
Which AI clients work with TREK MCP server?+
TREK MCP server works with any MCP-compatible AI client that supports OAuth 2.1 authentication and Server-Sent Events, including Claude Desktop and other clients implementing the Model Context Protocol specification.
Do I need API keys to use TREK MCP server?+
No external API keys are required for core functionality. TREK uses Open-Meteo for weather (no key needed) and OpenStreetMap for place search by default. Optional Unsplash, Google Places, and Mapbox integrations require their respective API keys if you choose to enable them.
Is TREK MCP server free and open source?+
Yes, TREK is open source under AGPL v3 license. You can self-host it freely for personal or internal company use. The MCP server functionality is included as an admin-toggleable addon with no additional cost.
What permissions does the TREK MCP server require?+
The server uses 27 OAuth scopes across 13 permission groups (trips, places, budgets, packing, atlas, etc.). You grant specific scopes during OAuth setup to control which TREK features the AI assistant can access, from read-only queries to full trip automation.
How do I install TREK?+
Open the source repository on GitHub and follow its README. TREK is a mcp server — MCP Agents Market links you directly to the official repo.
Is TREK free?+
TREK is an open-source project hosted on GitHub. Check the repository for its license and any usage requirements.