English Français العربية

MailFixture

Official registry Productivity

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

Website

Install

Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).

Remote (streamable-http)
Claude Code 
claude mcp add --transport http mailfixture 'https://mailfixture.com/mcp' --header 'Authorization: <MailFixture API key as a bearer token>'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "mailfixture": {
            "type": "http",
            "url": "https://mailfixture.com/mcp",
            "headers": {
                "Authorization": "<MailFixture API key as a bearer token>"
            }
        }
    }
}

Frequently asked questions

What is MailFixture?

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

How do I install MailFixture?

It runs as a remote server. In Claude Code: claude mcp add --transport http mailfixture 'https://mailfixture.com/mcp' --header 'Authorization: <MailFixture API key as a bearer token>'. For other clients, paste the JSON configuration from this page into their MCP settings.

Does MailFixture need an API key?

Yes. It expects Authorization, which you set in its configuration.

Who maintains MailFixture?

It is published by com.mailfixture. AI.tn lists it but does not maintain or endorse it.

From the official MCP Registry. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.