Best Guard AI Skills & MCP Servers

MCP server for The Guardian newspaper

Production guardrails for AI coding agents

MCP server that detects and prevents infinite agent loops — circuit breakers, pattern detection, and stuck-agent recovery for agentic systems

MCP server that enforces multi-agent scope boundaries — prevents scope drift, work duplication, and infinite delegation loops in agentic systems

Agent Output Guard MCP Server - Validate and verify data from other agents before acting on it. Zero LLM costs, pure computation. Solves coordination failures in multi-agent systems.

Security, cost, and health governance proxy for MCP infrastructure — three-layer detection engine (regex + schema + LLM), monorepo, corpus, CI/CD

MCP server that proxies all agent actions, classifies risk, enforces natural-language policies, and logs to a local SQLite audit DB with a live dashboard.

Security MCP for vibe coding. 424 rules, 36 tools, CLI + doctor. Host security, auth coverage mapping, LLM-powered deep scan (IDOR/business logic), taint analysis. 61 CVE rules refreshed daily from GHSA/OSV/CISA KEV — Next.js May 2026 13-advisory cluster,

MCP server for haluguard — hallucination detection for LLM apps. Plugs into Claude Code, Cursor, ChatGPT Desktop and any MCP-compatible host.

MCP Server para o core protegido do Claude Agents Ecosystem v1.4.6 — 54 agentes especializados. v1.4.6 RELEASE MAJOR: 13 issues consolidadas (255-267) — Spawn fixes + Pacote A Modularidade (file-size-guard, executor-file-scope, agents.md per-subdir, templ

Let Claude, Cursor, or any MCP client see and operate your Windows 10/11 desktop. 29 tools for screenshots, UI Automation, Chrome CDP, keyboard/mouse, terminal, with semantic discover-then-act targeting and per-action perception guards that avoid wrong-wi

MCP protocol server for NestJS with decorators, transports, guards, interceptors, and registry

CLI and MCP servers for Cutline, including SlopBurn: a product quality engineering roguelike RPG for vibecoding workflows.

Modern, lightweight profanity detection & content moderation toolkit with l33t speak detection, multi-language support, and guard rails

MCP control plane for local cognitive labor — job-shaped tools with tiered Ollama models (instant/workhorse/deep/embed), server-enforced guardrails, and measured economics so Claude can delegate bulk work without losing control.

Solana Token Safety API & MCP Server — rug pull, honeypot, and safety analysis for AI agents

Dangerous config and secret scanner for AI coding agents, MCP, and local automation projects.

The runtime security layer for AI agent commerce. Drop-in CLI + MCP server — blocks hallucinated purchases and keeps card credentials out of agent context. It only takes 0.1% of hallucination to drain 100% of your wallet.

Deterministic governance engine for AI agents — enforce worlds (permanent rules) and plans (mission constraints) with full audit trace

CLI and MCP servers for Cutline — authenticate, then run constraint-aware MCP servers in Cursor or any MCP client.

MVA (Model-View-Agent) framework for the Model Context Protocol. Structured perception packages with Presenters, cognitive guardrails, self-healing errors, action consolidation, and tRPC-style type safety — so AI agents perceive and act on your data deter

A TypeScript library for selective context access, visibility control & safety enforcement for LLMs

Open-source CLI scanner for risky MCP server and AI agent tool configuration.

Primitives for building agent harnesses: tools, guards, checks, hooks, observability.