Postbye for Claude Code

com.postbye/postbye

Read-only cancellation guides, mailing addresses and letters for thousands of subscriptions.

client:Claude Code transport:streamable-http tools:4

Install Postbye in Claude Code

run in your project directory

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

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs