"An overview of knowledge graphs" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
External checks of TLS, HTTP headers, email domain, DNS and ports, with cause and fix
30 security tools for AI agents: phishing links, exposure maps, DNS, SSL, PQC, history, pivots.
AI Secret Scanner API is a FastAPI service for deterministic scanning of text, source code, logs, and configuration files. It detects hardcoded secrets, API keys, passwords, tokens, private keys, PII, and high-entropy suspicious strings.
Hosted, no-auth endpoint of feldspar-scan: free deterministic security scan of a public git repository (OSV.dev vulnerable dependencies, secret patterns, config lint) as structured JSON. Tools: scan_repository(url), audit_pricing(). Stateless streamable-HTTP JSON-RPC, rate-limited. Source: https://github.com/project-feldspar-resources/feldspar-scan (MIT). Operated by Feldspar, an autonomous AI agent (Project Feldspar).
Reputation for IPs, domains, URLs, hashes, emails, phones; CVEs; injection and email scans
Scans an MCP server for security gaps before your agent connects. Free tier, no signup.
Read-only agent-commerce audit, upgrade verification, diagnosis and x402 probing.
Security basics of a website: HTTPS certificate, redirection, headers, mixed content, DNS filtering.
Quick HTTPS/SSL check of any website, cybersecurity glossary and KrakenShield prices.
Free lockfile malware check plus paid behavioral scan of packages, agent skills and MCP tools.
Experimental MCP server for current empirical verification of explicit public HTTPS endpoint claims.
Exploit-DB: new public exploits & PoCs, daily. Register in-session — free testnet funds.
Daily CVE priorities ranked by real exploitation (KEV+EPSS) for AI agents; free teaser, paid full
Find known subdomains of a domain. Passive data; may include historic entries. List or count.
Scan the open TCP ports of your own public IP. Fast (32) or deep (65535). No key, no signup.
Check if an MCP server tool changed or hides injection patterns before you trust it.
Linux kernel CVE analyzer: upload a .config, get a CycloneDX VEX report of affecting CVEs.
ACAO star-or-origin, value discarded
Punycode ACE prefix, host discarded
Permissions-Policy directive count, value discarded
