Categories › Business & Finance › Payments & billing
Cancel subscriptions: real cancellation letters & addresses for 10,000+ companies.
Remote server: your requests and data go to postbye.com. Claude Code: claude mcp add --transport http postbye https://postbye.com/mcp · Claude app: Settings → Connectors → Add custom connector.
The tools this server listed when we connected to it, in its own words.
search_companies — Find companies by name (for example "netflix" or "planet fitness") among the subscriptions and memberships Postbye has a 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-parget_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 list_categories — The category hubs of the cancellation guides (streaming, gyms, phone and internet, insurance and more) with the number of guides in each andNot tested by KitScout yet. When our harness runs it, pros, cons and the tasks we tried appear here, with the date and evidence.