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MailAlign

Official registry Productivity

Email header analyzer: SPF/DKIM/DMARC/ARC verdicts, domain alignment, hop delays. No lookups.

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 mailalign 'https://mailalign.mike-tusa.workers.dev/mcp' --header 'Authorization: <Optional. '\''Bearer <key>'\'' for a free monthly quota (POST /api/keys). Works without a key.>'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "mailalign": {
            "type": "http",
            "url": "https://mailalign.mike-tusa.workers.dev/mcp",
            "headers": {
                "Authorization": "<Optional. 'Bearer <key>' for a free monthly quota (POST /api/keys). Works without a key.>"
            }
        }
    }
}

Frequently asked questions

What is MailAlign?

Email header analyzer: SPF/DKIM/DMARC/ARC verdicts, domain alignment, hop delays. No lookups.

How do I install MailAlign?

It runs as a remote server. In Claude Code: claude mcp add --transport http mailalign 'https://mailalign.mike-tusa.workers.dev/mcp' --header 'Authorization: <Optional. '\''Bearer <key>'\'' for a free monthly quota (POST /api/keys). Works without a key.>'. For other clients, paste the JSON configuration from this page into their MCP settings.

Does MailAlign need an API key?

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

Who maintains MailAlign?

It is published by dev.workers.mike-tusa.mailalign. 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.