Postbye for Claude.ai

com.postbye/postbye

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

client:Claude.ai transport:streamable-http tools:4

Install Postbye in Claude.ai

Settings → Connectors → Add custom connector

https://postbye.com/mcp

Claude on the web takes a remote URL and completes OAuth in the browser. For a packaged server use Claude Desktop or Claude Code instead. Claude.ai docs

What Claude.ai can do once it is connected

search_companies
get_cancellation_guide
get_cancellation_letter
list_categories

Postbye in other clients

Claude Code
Claude Desktop
Cursor
VS Code
Zed
Windsurf
Cline
Gemini CLI
Grok
ChatGPT
LangChain

Postbye MCP server