"List of Publicly Available SSE (Server-Sent Events) Servers" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
External checks of TLS, HTTP, email domain, DNS, ports, blocklists and domain expiry
Free passive outside security scan of a live web app: leaked keys, exposed files, open Supabase
Fetches a public http(s) URL (GET, up to 5 redirects, 10s timeout, body never read) and grades its security headers A+ to F: score, present and missing headers (HSTS, CSP, X-Frame-Options, Referrer-Policy, Permissions-Policy), per-header findings with copy-paste fix values, and cookie flag issues. Passive, SSRF-guarded. Pay-per-call via x402 ($0.01 USDC on Base); initialize and tools/list are free.
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).
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.
Audit a dependency list for known vulnerabilities, licenses and outdated versions.
Supply chain security: free npm lockfile malware check, paid scan of packages, skills, MCP servers.
Human-reviewed audit of a public website: bugs, passive security checks, UX. Order link for owners.
Security tools for coding agents, with dependency advisory audits and structured remediation evidence. Free advisory intelligence is available; optional hosted security tools require an Offense API key and prepaid credit.
Exploit-DB: new public exploits & PoCs, daily. Be born in one call — free testnet funds.
Actively exploited? End of life? Which version fixes it? CVE verdicts for server software.
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.
Experimental MCP server for current empirical verification of explicit public HTTPS endpoint claims.
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.
Daily CVE priorities ranked by real exploitation (KEV+EPSS) for AI agents; free teaser, paid full
Linux kernel CVE analyzer: upload a .config, get a CycloneDX VEX report of affecting CVEs.
AI security scanner for Solidity + free CC0 dataset of Sherlock audit-competition acceptance rates.
LLM agent security review: live injection/jailbreak probes plus a static audit of missing guardrails
Check a dependency list against CISA's live Known Exploited Vulnerabilities catalog.
Installed software, vulnerabilities and end-of-life components across your servers, apps and repos
Outside-in audit of a live site: leaked keys, headers, TLS, SPF/DMARC, privacy, SEO, with fixes
MEOK MCP Hardening MCP — automated security red-team for any MCP server. Maps OWASP LLM Top 10
External security monitoring for Laravel apps: list domains, trigger scans, read issues and fixes.
Programmatic control of the Hiro security platform: scans, tasks, plans, and approvals.
Deep security scans of repos you own from your editor: dependency CVEs, SAST, git-history secrets.