"How to Assess the Security of a Python Application" matching MCP connectors:

Read-only breach intel, full history 2007-today: reports THAT an org was breached, never the data.

Identity infrastructure for the AI economy. Confirms if someone is known; returns inferred traits.

Hosted, OAuth-gated endpoint for quantakrypto's post-quantum crypto tools: scan code for quantum-vulnerable cryptography (RSA/ECDH/ECDSA/DH) and get NIST ML-KEM/ML-DSA/SLH-DSA migration guidance over authenticated HTTP — nothing to install. Sign-in required (Google/GitHub/email). Same tools as the open-source @quantakrypto/mcp server; source at github.com/quantakrypto/pqc-tools.

Is a wallet frozen by Tether/Circle? Free freeze checks + full history, screening & KYT. 9 chains.

Cited EU & global law, regulations & security frameworks via Ansvar Gateway. OAuth, free + paid.

Pay-per-call safety checks for AI agents: screen a crypto address or URL before you transact.

The PropelAuth Integration MCP Server helps you and your favorite AI agent integrate PropelAuth as quickly and easily as possible into your project. Whether you're integrating PropelAuth into your Next.js project or your FastAPI backend, the Integration MCP Server will ensure your AI agent has the best context possible for a successful integration.

Renamed to FactReason. Now published as io.github.factreason/factreason — please use that entry.

Query Microsoft Patch Tuesday security updates (MSRC) with EPSS and CISA KEV enrichment

Free lockfile malware check plus paid pre-install scan of any skill, tool, or package.

Rule-based site audits: accessibility, SEO, security headers, performance. Metered per call.

DNS and email security scanner with 80 MCP tools for SPF, DMARC, DNSSEC, SSL, and brand audits.

Read-only IT Health Check, domain security, recommendations, pricing, and draft enquiries.

Pay-per-call cybersecurity for AI agents: vuln scans, threat intel, compliance, code security.

Free, no-account verification of KeyHalve-sealed documents. Read-only; never receives keys.

CVE intelligence: exploitation (KEV/EPSS), detection coverage, fixed versions. All tools keyless.

MCP server teaching AI agents to implement TideCloak: auth, E2EE, IGA, security analysis

Scans MCP servers for tool poisoning, prompt injection and supply chain risks.

Score the privilege a Chrome MV3 extension takes from its manifest, and diff permission sets.

Query 90 days of honeypot probe data: IP reputation, scanners, CVE probing, TLS/SSH fingerprints.