Security & Testing MCP Servers for Codex CLI

16 checks on a system-security-plan JSON, in your editor, before a validator returns the package

Run MCP tool calls through Runestone Gatekeeper — policy enforcement, human approval, audit.

MCP server for querying MITRE ATT&CK framework and generating Navigator layers

The Guardian Protocol - MCP-based security monitoring for agentic AI systems

Reads your incident-response runbook and says which of the three Article 23 clocks it gets wrong

Risk Assessment Ai MCP Server by MEOK AI Labs

26 free OSINT tools as MCP tools for AI agents. Auto-installs everything on first run.

Deterministic no-LLM MCP server that scrubs secrets before they reach an agent. Never leaks values.

MCP wrapper that launches other MCP servers with secret env vars collected interactively via elicitation — placeholders in config, values

Context-aware testing layer for Playwright MCP — scans your codebase, generates precise test plans, and produces CTO-level reports. Works

Network-egress firewall for agent tools: check URLs against a declarative policy.

MCP server for AgentSeal — find safe MCP servers, check security before installing, and scan your AI dev environment from inside your AI

Secretless database and cloud access via Akeyless RTA. Credentials never enter the model.

MCP server providing AI coding agents with full programmatic access to the Checkmarx One security platform

Structural similarity-based code filter. Stops malicious code pattern reaching execution tools.

MCP server for DefectDojo: 24 tools with RBAC, HMAC audit chain, and SIEM forwarding

Scan websites for security vulnerabilities, headers, TLS, and email security.

Ground your LLM in EU financial, crypto and AI regulation, verbatim and cited, via Compass.

Audit a package-lock.json for supply-chain attacks BEFORE npm install. Cross-checks every resolved dependency against the live npm

MCP server for Malcolm (Zeek/Suricata/Arkime/OpenSearch): threat-hunting access for AI agents

Security scanner for MCP servers - detects tool poisoning and injection