{
  "mcpServers": {
    "ups": {
      "command": "npx",
      "args": ["-y", "ups-mcp"],
      "env": {
        "UPS_CLIENT_ID": "your_client_id",
        "UPS_CLIENT_SECRET": "your_client_secret",
        "UPS_ACCOUNT_NUMBER": "123456",
        "UPS_ENVIRONMENT": "sandbox"
      }
    }
  }
}

npx ups-mcp

npm install -g ups-mcp

git clone https://github.com/roscoej/ups-mcp.git
cd ups-mcp
npm install
npm run build

npm run inspector

cp .env.example .env
# Edit .env with your credentials
npm run build
node dist/index.js

src/
├── index.ts            # Entry point (stdio transport)
├── config.ts           # Environment variable resolution
├── server.ts           # MCP server factory
├── client/
│   ├── auth.ts         # OAuth 2.0 token manager
│   ├── http.ts         # HTTP client with retry + error handling
│   └── errors.ts       # Structured error types
├── tools/
│   ├── tracking.ts     # track_package
│   ├── shipping.ts     # create_shipment, void_shipment
│   ├── rating.ts       # get_rates, get_time_in_transit
│   ├── address.ts      # validate_address
│   ├── pickup.ts       # schedule_pickup, cancel_pickup
│   ├── locator.ts      # find_locations
│   ├── builders.ts     # Shared request payload builders
│   ├── constants.ts    # UPS API codes and enumerations
│   └── schemas.ts      # Zod input schemas
└── types/
    ├── config.ts       # Server configuration
    ├── shipping.ts     # Shipment types + service codes
    ├── tracking.ts     # Tracking types
    ├── rating.ts       # Rating types
    ├── address.ts      # Address validation types
    └── pickup.ts       # Pickup types