Cybersecurity
Search by the task you want done or the app you use, then filter by category.
Sorted by usage score: GitHub stars, weekly downloads, how recently it shipped, and whether its endpoint answers. Most used is not the same as best.
Reading a card:↓ Downloads per weeki★ GitHub starsiThree pillars: reviews · checks · usageiUpdated = latest version published to the registryi
skilllint — vet an agent skill before you install it
Vet an agent skill before you install it: structure, triggers, secrets.
BlackVeil DNS & Email Security Scanner
DNS and email security scanner with 82 MCP tools for SPF, DMARC, DNSSEC, SSL, and brand audits.
CyberJobs.cc
Search open cybersecurity jobs (SOC, AppSec, cloud, IAM, pentest, GRC) with posted pay, read hourly.
Action1 MCP by usefulapi
Read endpoints, missing updates, CVE vulnerabilities, installed software and reports in Action1.
ipdata MCP by usefulapi
Look up location, network, company and threat data for IP addresses and ASNs in ipdata.
MaxMind minFraud MCP by usefulapi
MCP server for MaxMind minFraud — score transactions for fraud risk from your AI assistant.
Lambda Labs MCP by usefulapi
Read GPU instances, types, images, filesystems and firewall rules; launch and terminate instances.
Castle MCP by usefulapi
Investigate security events and manage the allow/deny lists an analyst acts on.
Psychevus email security tools
DKIM signature checks with DMARC alignment, email header analysis and payment-fraud checks.
PatchLabs
Security checks for AI-built apps (Lovable, Supabase, Bolt): RLS, headers, monitoring, fixes.
Deltabridge Threat Intelligence
Cyber threat intelligence: threat actors, malware, CVEs, IOCs, ATT&CK and analyst briefs.
BlueNOC
Read-only facts about BlueNOC firewall security monitoring: product, pricing, live quotes, articles.
AgentUnmask
Scan a URL before your agent reads it: hidden prompt injection, phishing, clean markdown.
vulnerable.now
Free CVE lookups, package checks and patch priorities from public sources. No account or API key.
Enterprise MCP Gateway
Zero-Trust MCP Firewall, PII Redactor & Cursor 40-Tool Bypass Gateway by Neon Innovation Lab
Africa Scam Check
Fraud patterns a message or call resembles in Kenya and Nigeria, and where to report.
Fixlane
Known security incidents in developer software, with reviewed fix procedures.
Ghana Scam Check
Compares a message with fraud patterns reported in Ghana and says where to report.
Excession Labs: site search and security test requests
Search excessionlabs.ai, the site of Excession Labs, a security lab, and request a security test.
AttackerView quick website security check
Passive security check of a domain: headers, TLS, DNS and email authentication. No login needed.
Vysion
Darknet threat intelligence for AI assistants: leaks, documents, chat, ransomware.