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📋 MountVacation MCP Server — Changelog

All notable changes to this project are documented in this file.

[2.1.0] — 2026-03-12

🐛 Fixed: Location Resolution Cross-Border Bug

Problem: Searching for specific resorts (Sestriere, Obergurgl, Sölden) returned accommodations from the wrong country. For example, "Sestriere" (Italy) returned a French hotel in Montgenèvre because both belong to the same multi-country ski area (Via Lattea).

Root Cause: The search strategy prioritized SkiArea IDs over Resort IDs, and all API-returned results were trusted without validation — even when a SkiArea spans multiple countries.

Fix (two algorithmic changes):

  1. Strategy reordering: Changed priority from skiarea → resort → city → region to resort → city → skiarea → region. The most specific entity (Resort) is now checked first.
  2. Validation trust narrowing: Only Resort and City ID results are trusted without keyword validation. SkiArea and Region results are now validated against the user's search query to prevent cross-border mismatches.

Impact: These are general algorithmic changes, not per-location patches. They apply to all 150+ mapped locations and all dynamically resolved locations.

✅ Verified Results

Location Before After
Sestriere ❌ French hotel (Montgenèvre) ✅ "No accommodations found"
Obergurgl ❌ Wrong results ✅ "No accommodations found" (seasonal)
Sölden ❌ Wrong results ✅ "No accommodations found" (seasonal)
Katschberg ❌ Failed to resolve ✅ 4 correct results
Terme Čatež ❌ Failed to resolve ✅ 5 correct results (Slovenia)
Ischgl ✅ Working ✅ No regression
Mayrhofen ✅ Working ✅ No regression

📁 Files Changed

  • cloudflare-workers/src/api/mountvacation-client.ts — Strategy reordering + validation trust logic
  • cloudflare-workers/src/types.ts — Added debug fields to LogContext

[2.0.0] — 2025-11-06

🚀 Major Release: Full European Coverage

  • 150+ static location mappings covering 8+ countries
  • 10 MCP tools including pagination, geolocation, and multi-region research
  • API batching with complete pagination support (350% more results)
  • Family pricing with age-based discounts
  • Direct booking links with affiliate tracking
  • Croatia & Slovenia full coverage added
  • Cloudflare Worker architecture for global edge deployment
  • User-provided API keys — no server-side credential storage

[1.0.0] — 2025-09-28

🎉 Initial Release

  • Basic MCP server with accommodation search
  • Core European ski destinations (Austria, Italy, France, Switzerland)
  • Claude Desktop and Augment Code compatibility
  • JSON-RPC 2.0 protocol compliance

For the full bug diagnosis that led to v2.1.0, see MV-MCP-Location-Resolution-Bug-Report.md.