Python runner with streamable HTTP support MCP Connectors

quantakrypto pqc-tools (hosted)A

Hosted, OAuth-gated endpoint for quantakrypto's post-quantum crypto tools: scan code for quantum-vulnerable cryptography (RSA/ECDH/ECDSA/DH) and get NIST ML-KEM/ML-DSA/SLH-DSA migration guidance over authenticated HTTP — nothing to install. Sign-in required (Google/GitHub/email). Same tools as the open-source @quantakrypto/mcp server; source at github.com/quantakrypto/pqc-tools.

Code Analysis Security

112

CertScore.ai A

Scan public websites for privacy, cookie, tracker, consent, policy, and disclosure risk signals. Start instantly with zero-auth Light mode—no account or API key required.

Browser Automation Security

33

patch-tuesday A

Query Microsoft Patch Tuesday security updates (MSRC) with EPSS and CISA KEV enrichment

Security

124

dns A

DNS and email security scanner with 80 MCP tools for SPF, DMARC, DNSSEC, SSL, and brand audits.

Networking & Infrastructure Security Email

8027

VerifiMind PEAS - RefleXion Trinity A

X-Z-CS AI validation with auditable reasoning. 8 active tools; 5 in maintenance. v0.5.59

Autonomous Agents Testing & QA Tools Security

1322

Ground Truth - Fresh Evidence for AI Agents A

Keep AI answers fresh with free source previews, scheduled monitoring, evidence history, and alerts.

Security Autonomous Agents

192

MacTech STIG A

2,029 DISA STIG rules with official check/fix text, CCI mappings, and .ckl checklist export.

Security Search Documentation Access

41

agent-context-api A

Free MCP context preflight with local redaction and a paid HTTP upgrade.

AI & Machine Learning Security Agent Orchestration

11

domain-check A

Free SPF, DKIM, DMARC, MX deliverability check with graded shareable reports, plus referral terms

Email Security Networking & Infrastructure

41

Agent Verification Utility A

Deterministic JSON checks with signed evidence and x402-paid execution

Security Testing & QA Tools API Testing

51

auth-token-service B

Hash passwords with bcrypt and issue/verify JWT session tokens over A2A + MCP.

Security Developer Tools

121

security-preflight A

Static MCP manifest and tool-policy security preflight with signed input-redacted receipts

Security Developer Tools

32

ScanLabsAI Security Scanner A

Scan a website for vulnerabilities: OWASP Top 10, CVEs, SSL, headers - with plain-English fixes

Penetration Testing Security

81

agent-verified-relay B

Viridis Verified: wrap any MCP server with tamper-evident delivery receipts + metered fees.

Security Payments & Billing

72

values-firewall A

EU AI Act Art-14 runtime oversight: allow / flag / gate-to-human on an agent action, with receipt.

Legal & Compliance Security Observability

31

ChronoVerify A

Verify a photo's capture time and provenance: C2PA validation, EXIF/XMP, and pixel forensics. Free keyless use; one clear verdict per image. C2PA Conformant Validator, listed on the C2PA Conforming Products List.

Image & Video Processing Security

11

LayerCall A

Score an IP, email, phone, domain or device for fraud in one call, with the signals behind it.

Security Finance

71

Alienvault Otx A

AlienVault OTX MCP — Open Threat Exchange (free with key)

Security Monitoring

342

Greynoise A

GreyNoise Community MCP — internet scanner classification (free tier with key)