NestDaddy

Postbye

com.postbye/postbye · v1.2.0

Cancel subscriptions: real cancellation letters & addresses for 10,000+ companies.

Connect Remote server

Terminal
claude mcp add --transport http postbye https://postbye.com/mcp
~/.cursor/mcp.json
{
  "mcpServers": {
    "postbye": {
      "url": "https://postbye.com/mcp"
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "postbye": {
      "type": "http",
      "url": "https://postbye.com/mcp"
    }
  }
}
Claude Desktop
Settings > Connectors > Add custom connector
URL: https://postbye.com/mcp

Tools 4 found in our last check

  • search_companies

    Find companies by name (for example "netflix" or "planet fitness") among the subscriptions and memberships Postbye has a cancellation guide for. Returns each match's slug, category, how the company takes cancellations and the guide URL. Use the slug with get_cancellation_guide.

  • get_cancellation_guide

    How to cancel one company's subscription or membership: how it takes cancellations, the notice period, the traps to check first, billing-partner notes, sources, when the facts were verified, the mailing address(es) on file and the guide and address page URLs. Accepts a company s…

  • get_cancellation_letter

    A plain-text cancellation letter for one company, built from the same template as Postbye's free letter tool, plus where to send it. Fields not supplied stay as [bracketed placeholders] to fill in. Nothing is stored.

  • list_categories

    The category hubs of the cancellation guides (streaming, gyms, phone and internet, insurance and more) with the number of guides in each and the hub URL.

Details

Endpointhttps://postbye.com/mcp (Streamable HTTP)
First published27 Oct 2026
Last updated27 Oct 2026
Registry namecom.postbye/postbye

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