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MCP servers tagged guardrails
31 live MCP servers tagged "guardrails", ranked by trust score. Tags come from package metadata and repository topics, so this list covers servers across every category that work with guardrails.
Bifrost
Fastest enterprise AI gateway (50x faster than LiteLLM) with adaptive load balancer, cluster mode, guardrails, 1000+ models support & <100 µs overhead at 5k RPS.
Mastra/mcp
Fail-closed mcpindex trust gate for Mastra agents - check MCP tools against mcpindex.ai, the drift-monitored MCP server index, before your agent calls them.
Cowork Os
Operating System for your personal AI Agents with Security-first approach. Multi-channel (WhatsApp, Telegram, Discord, Slack, iMessage), multi-provider (Claude, GPT, Gemini, Ollam…
Gate22
Open-source MCP gateway and control plane for teams to govern which tools agents can use, what they can do, and how it’s audited—across agentic IDEs like Cursor, or other agents a…
Rigour
Local-first quality gate + fix-loop controller for AI coding agents (CLI + MCP).
Ragbits
Building blocks for rapid development of GenAI applications
Secure Claude Code
Security guardrails for Claude Code, MCP tools, and Claude cowork workflows. Local-first modular YARA-style guard packs for secrets, exfiltration, prompt injection, MCP abuse, and…
Opencode Swarm
Architect-centric agentic swarm plugin for OpenCode. Hub-and-spoke orchestration with SME consultation, code generation, and QA review.
Sponsio
Deterministic safety solutions for probabilistic AI agents
Trust Plane
Composable data security plane for Model Context Protocol. Pluggable layers — collect, analyze, guard — across 50+ enterprise providers. Open architecture.
Prismor
Runtime security for Agents. Blocks dangerous commands, prevent secret leaks, stop prompt injection, gate risky package installs and visibility and control over tool calls.
Intercept
Control every MCP tool call your agent makes. Set budgets, approvals, and hard limits across MCP servers. So your agent can do its job without breaking things. Open Source
Avakill
🔪 Open-source safety firewall for AI agents. Intercepts tool calls before they execute, enforces YAML policies, and kills dangerous operations in real-time. Works with OpenAI, Ant…
Agent Kernel
Multi-cloud, framwork-agnostic AI agent runtime for building, testing, and deploying production agents across OpenAI, CrewAI, LangGraph, and Google ADK. Deploy the same agent code…
IgorGanapolsky/ThumbGate
action gates via PreToolUse hooks. Install: `npx thumbgate`.
Clyro
Clyro is a governance platform for AI agents. While most tools let you watch agents fail, Clyro stops failures before they happen, catching infinite loops, runaway costs, and poli…
Aigis
Deterministic, zero-dependency Python firewall for AI agents — MCP rug-pull, memory poisoning, indirect injection, exfil channels. 44 compliance templates (US/CN/JP/EU).
JanuScope
Local-first MCP policy proxy. Tool-block, SQL-mutation gate, PII redact, audit, rate-limit, OpenTelemetry, vault secrets, first-use quarantine, schema pre-inject. No hosted gatewa…
Brigade
One local source for the MCP servers, tools, and memory your AI coding agents share, synced into each tool's native config with a review gate and a receipt for every change. No da…
Modelfuzz
🛡️ Runtime guardrails for AI agents. Intercept and block unsafe tool calls caused by prompt injection.
Contenox
An agent server. Agents, tools and models declared in files; every action checked against your policy before it runs. Any LLM, on your machine, Apache-2.0.
Rea
Agentic governance layer for Claude Code — policy enforcement, hook-based safety gates, audit logging, and Codex-integrated adversarial review for AI-assisted projects
Nominee
Decision-bound Model Context Protocol tool handlers for governed AI agents
Border Patrol
A policy-enforcing MCP gateway: one MCP server that proxies all your others and blocks dangerous tool calls
Chronomcp
Transactional guard proxy for MCP agents: impact diff, human approval gate, saga compensation, hash-chained audit log.
Policy Interceptor
A lightweight governance and policy interception layer for MCP servers.
N2 Ark
Deterministic Guardrails for AI Agents. Ark acts as a logic-based firewall, preventing unauthorized actions through a rigorous rule engine. Ensure your AI behaves exactly as inten…
Agent Guardrails
Merge gates and safety checks for AI coding agents. Works with Claude Code, Cursor, Windsurf, Codex via MCP. Detect scope violations, missing tests, and risks before merge.
Acgs Lite
Constitutional governance infrastructure for AI agents — the missing safety layer between your LLM and production
sidclawhq/mcp-guard
no SDK needed.
Ingest API
FastAPI-based multi-agent orchestrator for Odoo. Uses a Semantic Router to dispatch intents to specialized agents via Model Context Protocol (MCP/FastMCP). Features Guardrails AI…