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PaperAgent — Send Physical Mail

dev.paperagent/letters

Mail one-off USPS letters from ChatGPT or Claude after you approve the preview and price. US only.

Install

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

claude_desktop_config.json

{
  "mcpServers": {
    "letters": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-remote",
        "https://paperagent.dev/mcp"
      ]
    }
  }
}

Details

Name: dev.paperagent/letters
Version: 0.1.0
Updated: Oct 18, 2026
Source: Official MCP Registry
Website: https://paperagent.dev