In-depth architectural comparison of the Cybersecurity MCP Server and Pagerunner MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.
At a Glance & Executive Verdict
Cybersecurity MCP Server
Security · Local stdio
Quality: 64/100 (Good) | Auth: No auth required
Pagerunner
Security · Local stdio
Quality: 47/100 (Fair) | Auth: No auth required
Verdict Summary: Choose Cybersecurity MCP Server if you need specialized Security tools running via a local process. Choose Pagerunner if your workspace requires Security integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.
Which MCP Server Should You Choose?
Choose Cybersecurity MCP Server when:
You need dedicated capabilities in the Security domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
Cybersecurity reconnaissance server for Claude. WHOIS lookup, DNS enumeration with subdomain brute-forcing, Nmap port scanning with service detection, SSL/TLS certificate inspection, technology stack fingerprinting, CVE lookup, and IP reputation checking. Runs fully locally via FastMCP.
Chrome browser automation MCP server for AI agents — drives real Chrome with your profiles
Cybersecurity MCP Server is categorized under Security and uses a local stdio subprocess. In contrast, Pagerunner belongs to Security using local stdio subprocess. Select Cybersecurity MCP Server when you need capabilities focused on security and Pagerunner when you require tools for security.
Web server, CMS, JS frameworks, CDN, and analytics
cert_transparency
Query crt.sh Certificate Transparency logs for a domain and extract certificate, subdomain, and wildcard information
asn_lookup
Autonomous System Number (ASN) and network ownership lookup via Team Cymru WHOIS — identifies ASN, BGP prefix, organization, registry, country, and allocation date for domains or IP addresses (no API key required)
ip_reputation
Check if an IP is flagged as malicious via AbuseIPDB (api key requied)
full_recon
Runs all core tools in parallel and returns combined result
headers_analyzer
Analyzes HTTP security headers — checks HSTS, CSP, X-Frame-Options, and more with severity ratings and misconfiguration details
cve_lookup
Search NVD for known CVEs by software name and version (no API key required)
+4 more tools listed on main page
Pagerunner Tools (39)
list_profiles
List configured Chrome profiles
open_session
Launch Chrome for a profile, returns `session_id
attach_session
Attach to an existing Chrome instance via `--remote-debugging-port
close_session
Kill a Chrome session
list_sessions
List active sessions
list_tabs
List open tabs in a session
new_tab
Open a new tab, returns `target_id
close_tab
Close a specific tab
navigate
Navigate a tab to a URL
wait_for
Wait for a CSS selector, URL pattern, or fixed delay
get_content
Get visible text content of a tab
screenshot
Capture a tab as PNG (saved to temp file or inline base64)