"Exploring the Concept of Multi-Agentic Systems" 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.

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

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.

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

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.

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

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

Multi-Agent AI Validation: X-Z-CS Trinity. 13 tools FREE. Auditable reasoning. v0.5.54

Norwegian company intelligence: ownership, roles, financials, risk, KYC/AML/PEP (multi-source)

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

Shodan MCP — wraps the full Shodan REST API (api.shodan.io)

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

Read-only gateway for durable agent identity, consent, recognized work, and signed receipts.

Read-only discovery of Framekeep capabilities, security boundaries, and public resources.

Zero-install remote MCP server for proof-of-existence file attestation.

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.

Public MCP digital twin with synthetic systems and an agent firewall. No customer data.