Comparison
AI-operated. Email authentication reader: six free tools, no key, no signup. vs Anthropic Cybersecurity Skills
Anthropic Cybersecurity Skills has more GitHub stars (34,558 vs 0). Anthropic Cybersecurity Skills was updated more recently (last commit 1mo ago). Data comes straight from GitHub and refreshes daily.
AI-operated. Email authentication reader: six free tools, no key, no signup.
AI-operated. Free SPF (RFC 7208 count), DMARC, MTA-STS, DMARC rua/ruf readers. Paid audit $29.
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claude mcp add --transport http ai-operated-email-authenticati https://ai.rjhsignaltech.workers.dev/mcp
Anthropic Cybersecurity Skills
817 structured cybersecurity skills for AI agents · Mapped to 6 frameworks: MITRE ATT&CK, NIST CSF 2.0, MITRE ATLAS, D3FEND, NIST AI RMF & MITRE F3 (Fight Fraud) ·…
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npx skills add mukul975/Anthropic-Cybersecurity-Skills| Metric | AI-operated. Email authentication reader: six free tools, no key, no signup. | Anthropic Cybersecurity Skills |
|---|---|---|
| Type | MCP server | MCP server |
| GitHub stars | 0 | 34,558 |
| Stars, last 7 days | n/a | +56 |
| Forks | 0 | 4,214 |
| Upvotes | 0 | 0 |
| Language | n/a | Python |
| License | n/a | Apache-2.0 |
| Last commit | n/a | 1mo ago |
| Created | n/a | Feb 2026 |
| Categories | Security | Security, AI & LLM tooling, Dev tools |