How to Connect to a PostgreSQL Database MCP Connectors

quantakrypto pqc-tools (hosted)A

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.

Code Analysis Security

112

BlockchainAnalysis A

Is a wallet frozen by Tether/Circle? Free freeze checks + full history, screening & KYT. 9 chains.

Cryptocurrency Blockchain Security

93

Sentinel A

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

Security Blockchain Cryptocurrency

22

PropelAuth Integration MCP Server A

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.

Developer Tools Security Autonomous Agents

112

crx-permission-risk A

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

Security Code Analysis

31

HVTracker MCP A

Pre-connect trust checks for AI agents and MCP servers using HVTracker's public trust registry.

Security Autonomous Agents

821

lazaretto A

Verify a skill, tool, or package before an agent installs it, or verify a scan attestation.

Security Penetration Testing

42

AgenticRail Gate - sequence enforcement and verifiable audit receipts for AI agent compliance A

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

Security Agent Orchestration

22

Raziel A

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

Security Autonomous Agents

172

authenticated-mcp-agent A

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

AI & Machine Learning Security Cloud Platforms

121

ScanLabsAI Security Scanner A

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

Penetration Testing Security

81

skimguard A

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

Security Location Services Search

171

values-firewall A

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

Legal & Compliance Security Observability

31

ChronoVerify A

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.

Image & Video Processing Security

11

Aevum Security A

Browse Aevum Security's Singapore cybersecurity services and submit a business enquiry.

Customer Support Security

31

Malwarebazaar A

MalwareBazaar MCP — abuse.ch malware sample database (free, key required)

Security Research & Data

362

Is It Trust Ready — agent-trust-readiness scanner A

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