"Information about PostgreSQL, a relational database system" matching MCP connectors:

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.

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.

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

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

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

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.

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

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

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

URLhaus MCP — wraps abuse.ch URLhaus malware URL database (free, no auth)

Read devices, users, keys, ACLs and DNS for a tailnet; manage devices, routes and auth keys.

Trust infrastructure for AI agents: read a verifiable Trust Rating, claim an identity, earn a badge.

Self-destructing secret sharing for AI agents: encrypted burn links for credentials, plus an agent-to-agent dead-drop with exactly-once claim semantics. RAM-only, no database, open source (MIT). Source: https://github.com/mmmpym/flashpaper

Query WHOIS/RDAP information for domains, IP addresses, CIDR prefixes and ASNs. Self-hostable.

Encrypted store for API keys and database URLs your code needs. Use them without reading them.

Check if a counterparty is safe to pay: trust/risk score for AI agents. Scam/phishing screen.

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