Directory of AI agent skills, MCP servers and rules for iOS, Swift and SwiftUI development
Free network diagnostic tools for DNS, IP, email and SSL checks
Stage
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Founded
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Based in
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Pricing model
Free
Freemium
Pricing
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Free plan: All 41 tools with unlimited checks, 3 saved domains with daily monitoring, 7 days of history. Pro plan: $29/month for 50 domains, scans every 6 hours, email, Slack, Telegram and webhook alerts, 12 months of history and API access.
Key features
137 catalog entries with public source links
48 MCP servers for Apple development
Support for multiple AI agents including Claude Code, Cursor and Codex
11 categories organized by development areas
Install commands copied from official sources
Searchable catalog with keyword filtering
Weekly newsletter of new catalog entries
DNS Lookup - resolve A, AAAA, MX, TXT, NS, CNAME records
Blacklist Checker - query 7 major DNS blocklists
SSL/TLS Certificate Checker - verify certificate chain, expiry and protocol support
Email Deliverability - check SPF, DKIM and DMARC records
WHOIS Lookup - query domain registration details
Reverse DNS (PTR) - check IP to hostname resolution
Port Checker - test common HTTP/HTTPS ports
BIMI Lookup - query BIMI TXT records
Domain monitoring with automated scans
Multi-channel alerts via email, Slack, Telegram and webhooks
What makes it different
Curated specifically for Apple platform developers
All entries linked to public repositories with verified sources
Includes diverse tool types: skills, MCP servers, rules, docs and SDKs
41 tools all available free with unlimited checks
Clear sourcing - every result shows its source and what was not tested
Live DNS queries from edge servers via DNS-over-HTTPS
Domain monitoring and alerts with affordable Pro plan at $29/month
SwiftSkills
The Network Tools