Postbye

com.postbye/postbyeVersion 1.2.0

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

Status

Responds741 msNov 14, 2026, 14:10 UTCAnswered our handshake without sign-in.

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Last checked: Nov 14, 2026, 14:10 UTC
Latency: 741 ms
Remotes responding: 1 of 1
Sign-in: No sign-in
Hosting: Hosted outside the EU (detected)
Registry data as of: Nov 14, 2026, 22:14 UTC

Data from the official MCP Registry, checked by run.zero. How we check

Connect

Streamable HTTP

https://postbye.com/mcpResponds741 msNov 14, 2026, 14:10 UTC

No sign-in

Claude Code

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

Claude Desktop and claude.ai

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Settings > Connectors > Add custom connector
Name: postbye
Remote MCP server URL: https://postbye.com/mcp

Cursor

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

VS Code

code --add-mcp '{"name":"postbye","type":"http","url":"https://postbye.com/mcp"}'

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Tools

4 tools

Tools of Postbye
	Description		Read-only	Idempotent	Open world
`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_companies (merged duplicate slugs resolve to the current one).	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_companies (merged duplicate slugs resolve to the current one).	No	Yes	Yes	No
`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.	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.	No	Yes	Yes	No
`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.	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.	No	Yes	Yes	No
`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.	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.	No	Yes	Yes	No

Details

Registry status: Active
Published: Oct 27, 2026
Updated: Oct 27, 2026
Website: https://postbye.com/⁠ (opens in a new tab)
Repository: Not given
Categories: Uncategorized
GDPR: Not declared

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