Postbye

Connect it to your AI

Claude Code

claude mcp add --transport http postbye https://postbye.com/mcp

Claude, ChatGPT, Cursor and other apps

Add it as a custom connector with this URL (Streamable HTTP):

https://postbye.com/mcp

Cursor, VS Code and other apps (mcp.json)

{
  "mcpServers": {
    "postbye": {
      "url": "https://postbye.com/mcp"
    }
  }
}

Tools it offers

4 tools, as the server itself reported during our check on Oct 31, 2026.

• search_companiesFind 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 an
• get_cancellation_guideHow 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 fi
• get_cancellation_letterA 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_categoriesThe 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.

Questions