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MCP Security & Auth tools 8 tools

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8 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.

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.

MCP Ethical Hacking by cmpxchg16 At Risk open source
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.

Pantheon-Security/chrome-mcp-secure At Risk open source

Security-hardened Chrome automation with post-quantum encryption (ML-KEM-768 + ChaCha20-Poly1305), secure credential vault, memory scrubbing, and audit logging. 22 tools for browser automation and secure logins.

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.

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)

Beta — feedback welcome: [email protected]