"Using web fetch functionality or fetching data from the web" matching MCP connectors:

Scan/purge hidden text & score web domains: TLS, DNS, headers, speed. Free scans, $0.01 actions.

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.

Classify data safety before storing or sharing. GDPR, HIPAA, PCI-DSS, CCPA. AI-powered.

Public data intelligence for AI agents — CVE, compliance, patents, contracts, domains.

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.

Scan public websites for privacy, cookie, tracker, consent, policy, and disclosure risk signals. Start instantly with zero-auth Light mode—no account or API key required.

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.

Anomaly detection API powered by physics simulation. Scan any data for outliers.

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

Per-transaction crypto trade validator for AI agents. Returns deterministic PROCEED / CAUTION / BLOCK verdicts using WaveGuard anomaly detection, history checks, and rug-pull risk analysis.

Check if an MCP server tool changed or hides injection patterns before you trust it.

X-Z-CS AI validation with auditable reasoning. 8 active tools; 5 in maintenance. v0.5.59

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.

Verifiable physical randomness from cosmic-ray detections. Free beacon, paid signed decisions.

Pre-connect trust checks for AI agents and MCP servers using HVTracker's public trust registry.

Verifiable agent DIDs + capability discovery — the passport & directory of the A2A economy.

Human-in-the-loop review and approval for AI agents. Audit trail, approval policies, native MCP.