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fixture.email — Email Testing for Agents

Official registry Productivity

Disposable test mailboxes on a real domain: send, receive and assert on real email.

Source code 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 fixture-email-email-testing-for-agents 'https://mcp.fixture.email/mcp' --header 'X-API-Key: <Org-scoped fixture.email API key. Mint one at https://fixture.email/portal.>'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "fixture-email-email-testing-for-agents": {
            "type": "http",
            "url": "https://mcp.fixture.email/mcp",
            "headers": {
                "X-API-Key": "<Org-scoped fixture.email API key. Mint one at https://fixture.email/portal.>"
            }
        }
    }
}

Frequently asked questions

What is fixture.email — Email Testing for Agents?

Disposable test mailboxes on a real domain: send, receive and assert on real email.

How do I install fixture.email — Email Testing for Agents?

It runs as a remote server. In Claude Code: claude mcp add --transport http fixture-email-email-testing-for-agents 'https://mcp.fixture.email/mcp' --header 'X-API-Key: <Org-scoped fixture.email API key. Mint one at https://fixture.email/portal.>'. For other clients, paste the JSON configuration from this page into their MCP settings.

Does fixture.email — Email Testing for Agents need an API key?

Yes. It expects X-API-Key, which you set in its configuration.

Is fixture.email — Email Testing for Agents open source?

Its code is public on GitHub, but the repository does not declare a standard license.

Who maintains fixture.email — Email Testing for Agents?

It is published by j6-integrated. 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.