"How to Read Files Using a Computer" matching MCP connectors:

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.

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

Read-only MCP server for turva.dev, an agent-readiness audit and advisory service.

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.

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.

Read-only Remote MCP for externally grounded AI agent trust receipts.

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

Deterministic gate for AI agents: ALLOW/DENY a step before it runs, sealed to a verifiable receipt.

Read-only EU counterparty sanctions preflight over MCP: screen names & identifiers, evidence

Signed internet telemetry, read-only: DNS, TLS, WHOIS, reachability. Every record Ed25519-signed.

Scan any public site for AI-agent visibility; get scored findings, a machine-readable fix pack, and

Promotion gate for AI agents: leakage audits, exact-statistics verdicts, and a live report card.

Validate whether an IP address belongs to PetalBot. Remote MCP server exposing a validate_ip tool.

Prove a real, unique human performed an action; mint a signed, verifiable Proof-of-Human credential.

Read-only MCP: free OpenAI security evidence ledger (55 fields) + SaaSDossier release register.

Search a directory of SOC 2 audit and compliance firms; read GRC migration guides. Read-only.

Validate whether an IP address belongs to YandexBot. Remote MCP server exposing a validate_ip tool.

Validate whether an IP address belongs to Applebot. Remote MCP server exposing a validate_ip tool.

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.