# Powerline Email Tools MCP server

Source: https://glimind.com/server/mcp-registry%2Fai.powerline%2Femail-tools
Registry id: `mcp-registry/ai.powerline/email-tools`
Status: live (checked 2026-10-26T20:20:23.296Z)

## Measurements (30 days)

- Uptime: 100%
- Checks: 4236
- Outages (90 days): 0

## Install

```json
{
  "mcpServers": {
    "powerline-email-tools-mcp-server": {
      "type": "http",
      "url": "https://powerline.ai/mcp"
    }
  }
}
```

Claude Code:

```sh
claude mcp add --transport http powerline-email-tools-mcp-server https://powerline.ai/mcp
```

## Tools (5)

- `analyze_headers`: Parse raw email headers: the Received delivery path with per-hop delays, the receiving server's SPF/DKIM/DMARC verdicts, DMARC alignment of the From domain, DKI
- `check_blacklists`: Check an IPv4 address against about 18 IP blacklists (SpamCop, Barracuda, UCEPROTECT, PSBL, Mailspike, ...) or a domain against domain blacklists. Each list is 
- `check_domain`: Run every email-authentication check on a domain (SPF, DKIM, DMARC, MX, MTA-STS, TLS-RPT, BIMI, plus domain and mail-server blacklists) and return a score out o
- `check_record`: Look up and validate a single email DNS record for a domain, explaining each tag. record is one of spf, dmarc, dkim, bimi, mta-sts, tls-rpt, mx. SPF counts the 
- `check_spam_words`: Scan an email subject and body (plain text or HTML) for spam-trigger phrases by category, ALL-CAPS, exclamation runs, emoji, URL shorteners and image-heavy HTML

Measured by Glimind (https://glimind.com): MCP handshake + tool list only, no tool is ever called. CC BY 4.0.