Agentic Travel Recommendations Service

A working proof-of-concept for an agent-discoverable travel recommendations API.

What is included

• FastAPI backend
• Mock member profile and partner-configuration services
• Partner-specific recommendation caps
• Partner-specific category exclusions
• MCP-compatible JSON-RPC endpoint
• MCP tool discovery via tools/list
• MCP tool invocation via tools/call
• REST API
• Minimal browser UI
• Automated tests

Run locally

python -m venv .venv

# macOS/Linux
source .venv/bin/activate

# Windows PowerShell
.venv\Scripts\Activate.ps1

pip install -r requirements.txt
uvicorn app.main:app --reload

Open:

• UI: http://127.0.0.1:8000
• Swagger: http://127.0.0.1:8000/docs
• Health: http://127.0.0.1:8000/health

REST example

curl -X POST http://127.0.0.1:8000/api/recommendations \
  -H "Content-Type: application/json" \
  -d '{
    "member_id": "member-1001",
    "partner_id": "premium-bank",
    "destination": "Portland",
    "limit": 10
  }'

MCP discovery example

curl -X POST http://127.0.0.1:8000/mcp \
  -H "Content-Type: application/json" \
  -d '{
    "jsonrpc": "2.0",
    "id": 1,
    "method": "tools/list",
    "params": {}
  }'

MCP invocation example

curl -X POST http://127.0.0.1:8000/mcp \
  -H "Content-Type: application/json" \
  -d '{
    "jsonrpc": "2.0",
    "id": 2,
    "method": "tools/call",
    "params": {
      "name": "get_recommendations",
      "arguments": {
        "member_id": "member-1001",
        "partner_id": "premium-bank",
        "destination": "Portland",
        "limit": 10
      }
    }
  }'

Sample IDs

Members:

• member-1001
• member-1002
• member-1003

Partners:

• premium-bank
• family-club
• business-card

Partner-rule examples

• premium-bank: maximum 5 results; excludes hostel
• family-club: maximum 4 results; excludes nightlife and casino
• business-card: maximum 3 results; excludes hostel, nightlife, and casino

Test

pytest

Design notes

The recommendation engine first scores candidates against a mocked member profile, then applies the partner policy before returning results. Policy enforcement is performed server-side, so a client or agent cannot bypass recommendation caps or excluded categories.