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Powerline Email Tools

Official registry Productivity

Email deliverability checks: SPF, DKIM, DMARC, BIMI, MTA-STS, blacklists, headers, spam words

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 powerline-email-tools 'https://powerline.ai/mcp'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "powerline-email-tools": {
            "type": "http",
            "url": "https://powerline.ai/mcp"
        }
    }
}

Frequently asked questions

What is Powerline Email Tools?

Email deliverability checks: SPF, DKIM, DMARC, BIMI, MTA-STS, blacklists, headers, spam words

How do I install Powerline Email Tools?

It runs as a remote server. In Claude Code: claude mcp add --transport http powerline-email-tools 'https://powerline.ai/mcp'. For other clients, paste the JSON configuration from this page into their MCP settings.

Does Powerline Email Tools need an API key?

Its registry entry lists no required key or secret. Some features may still need an account with the service it connects to.

Who maintains Powerline Email Tools?

It is published by ai.powerline. 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.