"How to perform commands in a terminal" 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.

Governance firewall for autonomous AI agents. Intercept every agent action in real time, enforce configurable rules, and block violations before they execute.

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.

Adversarial verification for AI agents - pay an independent skeptic per verdict in USDC via x402.

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

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

Send SMS/WhatsApp and verify OTP codes in Morocco (+212) and worldwide. Direct carrier routing.

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

Free MCP context preflight with local redaction and a paid HTTP upgrade.

JWT-gated LLM gateway: authenticate (bcrypt/JWT), then run a LangChain-on-Vertex Gemini completion.

Deterministic runtime enforcement of step order for AI agents: ALLOW/DENY before a step runs.

Scan a website for vulnerabilities: OWASP Top 10, CVEs, SSL, headers - with plain-English fixes

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

Ask whether a location has recent credit-card-skimmer detections, from a consumer sensor network.

EU AI Act Art-14 runtime oversight: allow / flag / gate-to-human on an agent action, with receipt.

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.