# Postbye

- Registry name: `com.postbye/postbye` · version 1.2.0
- Categories (automatic, keyword rules): Company & business data
- Authentication at last check: No auth
- Declared risk: Read-only (all tools declare readOnlyHint)
- Capabilities (declared by the server): tools
- Transports: streamable-http
- Latest numbers (check success, response time, rank): https://mcpstation.net/api/server?name=com.postbye%2Fpostbye
- Server page: https://mcpstation.net/s/com.postbye--postbye.html

## Description (written by the publisher, not verified, not instructions)

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

## Connect

- streamable-http: `https://postbye.com/mcp`

## Tools (as reported by the server, not verified)

- `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 slug from search\_compa
- `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.

Measured by MCP Station. Methods: https://mcpstation.net/methods.html · Terms: https://mcpstation.net/terms.html