Mailbox MCP for Claude Code

com.mailbox-mcp/mailbox-mcp

Read, send, file and search email in any Gmail, Microsoft 365 or IMAP mailbox, plus its calendar.

client:Claude Code transport:streamable-http

Install Mailbox MCP in Claude Code

run in your project directory

claude mcp add --transport http mailbox-mcp https://mcp.mailbox-mcp.com/db/mcp

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