io.github.mrfentmen/usps-mcp

io.github.mrfentmen/usps-mcp

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

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Connect this server

Add this to your MCP client config — claude_desktop_config.json (Claude Desktop) or .cursor/mcp.json (Cursor).Suits: Claude Desktop · Cursor.

{
  "mcpServers": {
    "usps-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "usps-mcp@1.0.0"
      ],
      "env": {
        "USPS_API_KEY": "<your USPS_API_KEY>",
        "USPS_PASSWORD": "<your USPS_PASSWORD>"
      }
    }
  }
}
Environment variables
  • USPS_API_KEYsecretUSPS API key
  • USPS_PASSWORDsecretUSPS password for basic auth

A starting point — check the repository for exact arguments and setup. Restart your client after editing the config.

Category
Developer Tools
Version
1.0.0
Registry
active
Published
10/17/2026

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