Side-by-side comparison of two Model Context Protocol servers — install paths, tools, quality signals, and directory engagement so you can pick the right one for Claude, Cursor, and other MCP clients.
Backlink intelligence and competitor gap analysis on the public Common Crawl webgraph (4.4B edges, 120M domains) via CrawlGraph. 4 tools: backlink lookups, gap analysis, and a composite outreach-targets finder (domains linking to all your competitors but not you, de-noised and ranked by authority). Install: npx -y crawlgraph-mcp.
@deliveriq/mcp — email-deliverability tools for AI agents. 12 tools: single + batch verification, email finder, DNSBL across 50 zones, SPF/DKIM/DMARC/MTA-STS/BIMI infrastructure analysis, spam-trap scoring on 13 weighted signals, composite domain trust report, account credits. 5-stage / 21-check pipeline under the hood. Free tier, no card. Install: npx -y @deliveriq/mcp.