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io.github.mrfentmen/usps-mcp

USPS shipping, tracking, address validation, and label creation.

Install

Add the config to your client settings. Replace values in <angle brackets> with your own.

claude_desktop_config.json

{
  "mcpServers": {
    "usps-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "usps-mcp@1.0.0"
      ],
      "env": {
        "USPS_API_KEY": "<USPS_API_KEY>",
        "USPS_USERNAME": "<USPS_USERNAME>",
        "USPS_PASSWORD": "<USPS_PASSWORD>",
        "USPS_API_URL": "<USPS_API_URL>"
      }
    }
  }
}

Details

Name: io.github.mrfentmen/usps-mcp
Version: 1.0.0
Updated: Oct 17, 2026
Source: Official MCP Registry
Repository: https://github.com/mrfentmen/premium-mcps