"Free Network Graph Visualization Tools (No Account Required)" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Free website privacy scanner for pre-consent cookies, trackers, consent, policy, and HTTPS/TLS.
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).
Passive domain-perimeter checks — cert expiry, subdomain takeover, lookalikes — as agent tools
55 tools, 7 Resources, Sigma rules, email SPF/DMARC, MITRE, CVE/KEV, risk_score. No key.
CVE lookups (NVD) and dependency-manifest audits (OSV) for AI agents. No API keys.
Security scanner for n8n workflows: 18 rules, OWASP Agentic mapped. Free MCP, paid x402 API.
Free lockfile malware check plus paid behavioral scan of packages, agent skills and MCP tools.
Free, read-only security scanner for remote MCP servers, before you connect them.
Exploit-DB: new public exploits & PoCs, daily. Register in-session — free testnet funds.
Free front-end security check for any website: a grade plus the secrets and keys it exposes.
Dependency vulns & malicious-package advisories. Register in-session — free testnet funds.
Daily CVE priorities ranked by real exploitation (KEV+EPSS) for AI agents; free teaser, paid full
Exposes FEDLIN's public security scanners as agent-callable tools over Streamable HTTP.
Scan configs, files, or text for leaked secrets and obvious misconfigurations. Nothing stored.
Security, SEO and AI-visibility scanner for web apps · free scans and focused checks via MCP.
Scan the open TCP ports of your own public IP. Fast (32) or deep (65535). No key, no signup.
Scans remote MCP servers for protocol, security, and TLS issues; exposes scan tools via MCP.
CyberShield - 12 cybersecurity tools: NIS2 mapping, MITRE ATT&CK, vulns, threat intel.
CVE lookups (NVD) and dependency-manifest audits (OSV) for AI agents. No API keys.
Scan your home network and local machine for security risks, open ports, weak Wi-Fi, unknown devices. Providing with a trust score and clear explanations.
