"How to Use or Manage Knowledge Base in Feishu" matching MCP connectors:

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

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.

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.

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

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

AI/LLM agent output audit MCP: policy eval, tamper-evident chain, AI safety, x402 USDC on Base.

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

Reputation oracle for AI agents on Base: SAFE/CAUTION/BLOCK + 0-100 score before you pay. x402+MCP

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

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

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.

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

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