MailFixture

Create test inboxes, poll email and SMS, and extract OTPs and links.

Source

Official Registry

Updated

2026-07-11

// securityCaution

Remote endpoint· mailfixture.com
Runs locally
Official / curated
Community-trusted

Running security audit…

Credentials
Network egress
Code execution
Data access
Supply chain

// install

Copy the install command and let the AI configure it · recommended for beginners

Please install the "MailFixture" MCP server from askskill:
Run: claude mcp add --transport http 'com-mailfixture-mailfixture' 'https://mailfixture.com/mcp'

// examples

Verify signup email

Prompt

Create a temporary test inbox and return the email address; keep polling for new messages until an email with the subject containing "Verify your account" arrives; extract and return the verification link from the email.

Expected

Returns the test inbox address, a summary of the verification email, and the clickable verification link.

Extract SMS OTP

Prompt

Create a test phone number that can receive SMS, wait for a new text message; when it arrives, extract the 6-digit OTP and return both the original message and the code.

Expected

Returns the test number, full SMS content, and the extracted OTP for automated login or signup testing.

End-to-end notification test

Prompt

Create one test inbox and one SMS number for a test flow, and listen for both email and text messages; after the system sends notifications, return the latest message timestamps, subjects or summaries, and extract any links or OTPs.

Expected

Returns whether email and SMS notifications were delivered successfully, along with links, OTPs, and timestamps for assertions.