"Understanding the term 'flux' or its various applications" 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.

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

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.

Verify a photo's capture time and provenance: C2PA validation, EXIF/XMP, and pixel forensics. Free keyless use; one clear verdict per image. C2PA Conformant Validator, listed on the C2PA Conforming Products List.

Score an IP, email, phone, domain or device for fraud in one call, with the signals behind it.

IOCs (URLs, domains, IPs, hashes) shared by the infosec community on X/Twitter. No auth, CC0.

Detect malicious or vulnerable npm packages: registry search, OSV.dev and GitHub advisory lookups

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

Decay-weighted reputation + tamper-evident trust attestations for the agent economy.

Verify a skill, tool, or package for malicious behavior before your agent installs it. Hosted.

Hosted endpoint for patch-tuesday-mcp: query Microsoft Patch Tuesday security updates (MSRC) with EPSS and CISA KEV enrichment. Free, no auth or API keys.

Pre-signature x402 payment-risk oracle. AI agents call forecast_payment before paying a counterparty and get a GO / HOLD / STOP verdict from settlement reputation, price-anomaly (quoted vs the payee's own median), and OFAC sanctions screening — plus a third-party-verifiable Ed25519 signed receipt. Verdict only; never takes custody. Free under $10 at risk; returns an x402 payment challenge over that.

Scans text for personally identifiable information — emails, phone numbers, SSNs, credit card numbers, physical addresses, names — and returns a redacted version. Built for agents sanitizing user content, support tickets, logs, or documents before storage, sharing, or feeding into another LLM call. Pay-per-call via x402 (USDC on Base): $0.01/call, no account or API key. tools/list and /openapi.json are free for discovery.

Scan any website or MCP server for agent-trust-readiness; returns a signed, verifiable scorecard.

Trust scoring for x402 endpoints — "should my agent pay this?" check_endpoint runs live diligence: x402 spec-compliance probe, price sanity vs market percentiles, payTo wallet on-chain activity (Base), directory presence, infra hygiene. Returns 0-100 score with per-check evidence. compare_price positions any price vs category market data. Pay-per-call via x402: $0.02/call USDC on Base, no account or API key. tools/list free.

The MCP server that vets MCP servers: identity, risk grade and per-tool risk before you install.