"Information about Neo4j graph database" matching MCP connectors:

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

CVE search, vulnerability database, EPSS exploit prediction, KEV, IP reputation & threat feed.

Scans text for personally identifiable information — emails, phone numbers, SSNs, credit card numbers, physical addresses, names — and returns a redacted version. Built for agents sanitizing user content, support tickets, logs, or documents before storage, sharing, or feeding into another LLM call. Pay-per-call via x402 (USDC on Base): $0.01/call, no account or API key. tools/list and /openapi.json are free for discovery.

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

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

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

Real-time CVE, exploit, and vulnerability intelligence for AI assistants (350K+ CVEs, 115K+ PoCs)

DependencyOracle - 10 ICT dependency tools: SBOM, supply chain, third-party graph.

NVD MCP — wraps the NIST National Vulnerability Database API (free, no auth)

MCP server for detecting and redacting PII (Personally Identifiable Information) in PDF documents.

The internet's largest queryable infrastructure graph — 7.39 billion nodes, 39 billion edges, 5.6 million threat-intelligence relationships. Pivot from any IP, domain, or ASN across DNS, BGP, WHOIS, GeoIP, and threat intel in a single Cypher query. Most threat-intel and OSINT APIs are point lookups: you ask about one indicator, you get one record. Investigations don't work that way — you start from one suspicious domain and need to trace its hosting, its sibling domains, its registrar, its email

Managed MCP gateway for PostgreSQL. Connect Cursor, Claude Desktop, VS Code, and Windsurf to your database with per-table permissions, encrypted credentials, and a full query audit trail. OAuth 2.0 authentication, free tier available.

The internet's infrastructure graph for AI agents - 46B nodes and edges, free trial via 2 HTTP calls

Memory infrastructure for teams who will eventually be audited. Database-enforced isolation, atomic audit trail, and secret detection at the handler layer.

Screen a name against the U.S. Treasury OFAC SDN list. Information, not a compliance determination.

Provides privacy and data protection analysis services. Includes: * Legal Math - designed to provide a penalty risk analysis of GDPR fines (Ireland) * Personal Information Flow (PIF) - generate sequence diagram of pesonal information flows, compliance risk and privacy by design recommendations

Paid remote MCP for governed database query review, SQL simulation, approvals, and audits.

Query and retrieve information about various adversarial tactics and techniques used in cyber atta…