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notecardHQ

com.notecardhq/notecardhq · v1.0.0

Send real handwritten cards from an agent: a robot writes each with a real pen, then it is mailed.

Connect Remote server

Terminal
claude mcp add --transport http notecardhq https://app.notecardhq.com/api/mcp --header "Authorization: Bearer <YOUR_API_KEY>"
~/.cursor/mcp.json
{
  "mcpServers": {
    "notecardhq": {
      "url": "https://app.notecardhq.com/api/mcp",
      "headers": {
        "Authorization": "Bearer <YOUR_API_KEY>"
      }
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "notecardhq": {
      "type": "http",
      "url": "https://app.notecardhq.com/api/mcp",
      "headers": {
        "Authorization": "Bearer <YOUR_API_KEY>"
      }
    }
  }
}
Claude Desktop
Settings > Connectors > Add custom connector
URL: https://app.notecardhq.com/api/mcp

Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.

Tools

This server asks for a key before it lists its tools. Connect it with your own key to see them.

Headers

NameDescription
Authorization
Required, secret
Bearer <notecardHQ API key>. Test keys (mos_test_...) never write, mail or bill a card.

Details

Endpointhttps://app.notecardhq.com/api/mcp (Streamable HTTP)
First published3 Nov 2026
Last updated3 Nov 2026
Registry namecom.notecardhq/notecardhq

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