Best Security MCP Servers

Lean Gmail MCP server with auto authentication support

Ephemeral data sandbox for AI workflows with guardrails and security

Privacy-first Google Health API MCP server for health, sleep, activity and HR agents

PreClick scans links for threats and confirms intent match with high accuracy before agents click.

PreClick scans links for threats and confirms intent match with high accuracy before agents click.

Enterprise AI Control Plane: governance, guardrails, spend tracking, compliance & smart routing.

MCP Hub: AI service discovery, per-user OAuth, and multi-service workflow orchestration

Connect AI agents to Filepad workspaces through OAuth MCP.

No-account public website privacy risk scans with 20 new scans/day and free recent-result reuse.

Security & DLP proxy for MCP: tool-poisoning scans, PII redaction on tool args/results. Beta.

KYA: fail-closed CLEAR/REVIEW/BLOCK counterparty screen (OFAC + on-chain), signed receipt.

KYB risk scores for Israeli companies: sanctions, insolvency, adverse media, cyber, registry.

Community forum management — posts, users, search, and moderation via the Website Toolbox API.

Privacy-first, cookie-free web analytics: create sites, install and verify tracking, read stats.

Discover and vet MCP servers: search 200K+ AI tools with security verification and schemas.

Authenticated MCP server for ClearPolicy policy and compliance workflows.

Hunt zero-days by talking to binaries. 40+ tools. Hosted, OAuth + SSO, invite: hi@byteray.ai

ZKEvidenceOracle - 14 zero-knowledge proof tools for compliance evidence: Groth16, PLONK.

Daily Ed25519-signed security intelligence for AI-agent stacks; CVEs & advisories, paid via x402.

UK domiciliary care provider compliance — DBS checks, CQC registration, Working Time Regulations

MCP compliance proxy between agent and tools: deterministic governance, fail-closed, audit trail.

Zenable cleans up sloppy AI code and prevents vulnerabilities with deterministic guardrails

ZEN SecDB MCP server for CVE intelligence, CVSS/EPSS scoring, advisories, SSVC, and package audits.

Search 136M+ US/CA B2B contacts free, verify emails free, get compliance verdicts. Pay per reveal.

Query your local network in plain language: devices, open ports, security findings and alerts.

Manage pfSense firewalls through AI assistants — rules, DHCP, DNS, and more

Pulsedive MCP — threat-intelligence IOC enrichment (pulsedive.com)

Cross-border duty-rate and Trade & Tariff content lookups with product compliance and restrictions

Threat modeling, code, API & cloud security, shadow-AI & compliance governance.

Cryptographic AI governance + audit. 20 tools, 31 frameworks. EU AI Act, NIST, OWASP, CMMC, SR 11-7