MailFixture for Claude Code

com.mailfixture/mailfixture

Test-inbox API for email and SMS: create inboxes, long-poll messages, extract OTPs and links.

client:Claude Code transport:streamable-http

Install MailFixture in Claude Code

run in your project directory

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

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