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MCP Security & Auth tools 7 tools

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7 tools

UPinar/contrastapi Healthy open source

Security intelligence API with 31 MCP tools for CVE/EPSS/KEV lookup, domain recon (DNS/WHOIS/SSL/subdomains/CT logs), IOC/threat intel, OSINT (email/phone/username), and code security scanning (secrets, injection). Free 100 req/hr.

goklab/guardvibe Healthy open source

Security MCP for vibe coding with 330 rules and 29 tools. Purpose-built for AI-generated code — scans Next.js, Supabase, Clerk, Stripe, Prisma, Hono, GraphQL, and 25+ modules. Cross-file taint analysis, host security audit, auto-fix, SARIF export, pre-commit hook, and CVE version detection. Zero config, runs locally.

jnMetaCode/shellward Healthy open source

AI Agent Security Middleware & MCP Server with 8-layer defense including prompt injection detection, DLP data flow tracking, command blocking, and PII detection. 7 MCP tools, zero dependencies.

DigiCatalyst-Systems/dep-diff-mcp Healthy open source

Translates a lockfile diff (npm, PyPI) into a human-readable upgrade plan. Point it at a Dependabot PR and get back semver classification, breaking changes from GitHub release notes, CVEs fixed in range, migration links, and a per-package recommendation. Bulk tool ranks up to 50 changes by risk (security > caution > review > likely-safe > safe)

MCP Ethical Hacking by cmpxchg16 At Risk open source
girste/mcp-cybersec-watchdog At Risk open source

Comprehensive Linux server security audit with 89 CIS Benchmark controls, NIST 800-53, and PCI-DSS compliance checks. Real-time monitoring with anomaly detection across 23 analyzers: firewall, SSH, fail2ban, Docker, CVE, rootkit, SSL/TLS, filesystem, network, and more.

panther-labs/mcp-panther Mixed open source

MCP server that enables security professionals to interact with Panther's SIEM platform using natural language for writing detections, querying logs, and managing alerts.

Beta — feedback welcome: [email protected]