Agent Guardrail MCP Server
Action-level governance for AI agents -- control what they DO, not what they SAY
MCP server · by JarvisOnM4
About
Agent Guardrail MCP Server is an MCP server published by JarvisOnM4. Marketplaces we read that list it: 1 (Official MCP Registry). We first saw it on 2026-10-11 and have recorded no change since. As of our marketplace pass on 2026-10-13.
What it asks for
- Runs on your machine
None of the marketplaces we read publishes its tools or the settings it asks for.
What it declares, asks for and runs, in full
Only install plugins from developers you trust. We list what marketplaces publish and do not test plugins.
Works with
- Claude Code
- Codex
- Cursor
- VS Code
- Copilot CLI
A one-click link opens the client, which asks you to confirm before it adds the server.
From the marketplaces that list it and the MCP transport it declares, as each client documents them. We do not test plugins.
Connect
Commands and configs built only from what its marketplaces declare. We do not run them for you and do not test plugins.
As a local MCP server: PyPI package
Built from what Official MCP Registry declares.
claude mcp add --transport stdio agent-guardrail -- uvx agent-guardrail[mcp_servers.agent-guardrail]
command = "uvx"
args = ["agent-guardrail"]{
"mcpServers": {
"agent-guardrail": {
"command": "uvx",
"args": [
"agent-guardrail"
]
}
}
}Where it is published
| Marketplace | Status | Version | Figures | Verified | First seen |
|---|---|---|---|---|---|
| Official MCP Registry (Open the registry record) | Listed | 0.1.2 | Forks (GitHub): 1 Stars (GitHub): 0 |
Not marked |
Each figure is the marketplace's own and is never added up across marketplaces. A marketplace that publishes no figure shows none: no number is not zero.
What changed
Nothing has moved on this plugin since we started watching it.
Similar plugins
Products whose own names, descriptions, tools and skills are closest in meaning to this one, on every marketplace we read. Closeness is ranked within this list only.
-
agent-guard io.github.mdfifty50-boop/agent-guard
Constitutional guardrails and loop detection for AI agents
-
think-mcp net.agentutil/think-mcp
Intent security pre-flight checks for autonomous AI agents.
-
agentguard io.tooloracle/agentguard
AgentGuard — 20-tool AI safety MCP: policy preflight, risk scoring, audit logging, rate limits.
-
gateway ai.sealgate/gateway
MCP gateway with runtime security policy, tool-call-level control, and audit of agent actions.
-
governance-platform ai.geodesiclabs/governance-platform
Pre-execution governance for AI agents. Deterministic PASS/FAIL/REVIEW verdicts, replayable proof.
-
agentos io.github.imran-siddique/agentos
Build and manage policy-compliant AI agents with safety enforcement and compliance checking
-
aegis-mcp io.github.cleburn/aegis-mcp
Runtime governance enforcement for AI agents. Zero token overhead.
-
Delentia Sovereign AI Operating System
Stop rogue AI-agent tool calls before they run: deterministic policy gate + audit digest.
-
boundaryai ai.boundaryai/boundaryai
Deterministic runtime safety for AI agents: scan PII, gate tool actions, verify LLM output.
-
vantagate-mcp-server io.github.Aderix/vantagate-mcp-server
VantaGate MCP Server & OpenAPI integration - Human-in-the-Loop for AI Agents
Similar plugins by marketplace
The same question asked of one marketplace at a time: is there an analog of this plugin there?
Has a listing on Claude Code: claude-plugins-community (5)
-
eu-ai-act-compliance-mcp io.github.CSOAI-ORG/eu-ai-act-compliance-mcp
Eu Ai Act Compliance MCP Server by MEOK AI Labs
-
Deterministic IAM control plane for AI agents. Translates natural language intent into minimal-scope Ed25519-signed envelopes. You bring your own data plane. Carryall governs…
-
MCP security gateway that wraps any MCP server with per-tool policies, Ed25519-signed decision receipts, and human approval gates. Shadow mode (default) logs every tool call…
-
Security guardrails for Claude Code. Intercepts every tool call via PreToolUse hook and evaluates it against your Open Agent Passport (OAP) policy before execution. Blocks…
-
healthclaw-guardrails io.github.aks129/healthclaw-guardrails
Guardrailed FHIR access for AI agents: PHI redaction, audit trail, step-up auth, tenant isolation
Has a listing on Claude Code: claude-plugins-official (5)
-
Build, deploy, and operate AI agents on AWS. Skills for scaffolding agents with Amazon Bedrock AgentCore, connecting tools, memory, policies, evaluation, debugging, and production…
-
firebase-mcp io.github.firebase/firebase-mcp
Gives AI development tools Firebase-specific capabilities and expertise.
-
Agentforce Agent Development Life Cycle — author, discover, scaffold, deploy, test, and optimize .agent files
-
Set up endorctl and use Endor Labs to scan, prioritize, and fix security risks across your software supply chain
-
mcp-server io.github.cap-js/mcp-server
Model Context Protocol (MCP) server for AI-assisted development of CAP applications.
Has a listing on Claude: knowledge-work-plugins (5)
-
Hosted MCP server for AI-assisted Grafana Cloud observability — no local installation required.
-
Skills for working with Langfuse, the open-source LLM engineering platform for tracing, prompt management, and evaluation.
-
DataRobot skills for AI/ML workflows — model training, deployment, predictions, feature engineering, monitoring, explainability, data preparation, App Framework CI/CD, and…
-
Figma design platform integration. Access design files, extract component information, read design tokens, and translate designs into code. Bridge the gap between design and…
-
AI-first project auditor and re-engineer based on the 9 design principles and 7 design patterns from the TechWolf AI-First Bootcamp
Has a listing on Codex: openai-curated (openai/plugins) (5)
-
CrowdStrike Falcon Fusion skills for authoring, deploying, and executing Fusion workflows. Includes live action discovery, YAML authoring with schema validation, workflow import…
-
CrowdStrike Falcon Foundry development skills for building cybersecurity applications on the Falcon platform. Includes UI development, collections, functions, workflows, API…
-
Skills for NVIDIAs ecosystem spans GPU acceleration, CUDA, AI agents, inference, robotics, Physical AI, Omniverse, and simulation. This plugin helps you understand the pieces…
-
Build with OpenAI APIs, Agents SDK, and ChatGPT Apps, and create and save OpenAI API keys from Codex.
-
Evaluate Codex skills and plugins from chat with a beginner-friendly start command, local-first reports, token budget explanations, and guided benchmarking.
Has a listing on Community GitHub marketplaces (5)
-
4da-mcp-server io.github.4DA-Systems/4da-mcp-server
Upgrade intelligence for AI agents: what an upgrade changes, where it touches your code, CVE scans.
-
Build, deploy, and operate AI agents on AWS. Skills for scaffolding agents with Amazon Bedrock AgentCore, connecting tools, memory, policies, evaluation, debugging, and production…
-
A sanctuary for AI agents and humans: attend a service, reflect, read, search, and ask. No auth.
-
Agentforce Agent Development Life Cycle — author, discover, scaffold, deploy, test, and optimize .agent files
-
agents-party io.github.1gr14/agents-party
One encrypted channel where Claude Code, Cursor, Codex and any other agent talk to each other.
Has a listing on Copilot CLI: github/awesome-copilot (5)
-
Run a lightweight, role-separated AI development team with flexible tools, developer-selected models, proportionate planning, and optional QA.
-
Skills and interactive Copilot canvas for designing, configuring, testing and deploying agents to Microsoft Foundry.
-
Safe BLE diagnostics, evidence workflows, and guarded automation for AI agents.
-
foundry-hosted-agent-copilotkit
Build CopilotKit + AG-UI web apps on Microsoft Foundry hosted agents (Microsoft Agent Framework): wiring, native Foundry primitives, human-in-the-loop approvals, azd deploy, and…
-
Three-agent workflow for orchestrated software delivery with an orchestrator plus implementation and QA subagents.
Has a listing on Copilot CLI: github/copilot-plugins (5)
-
Toolkit for building Microsoft 365 Copilot declarative agents — scaffolding, JSON manifest development, and capability configuration.
-
model-apps
Build and deploy Power Apps generative pages for model-driven apps with specialist agents for planning, entity creation, and parallel code generation. Requires PAC CLI >= 2.7.0…
-
mcp-apps
Generate MCP App widgets for MCP tools. Produces self-contained HTML widgets using the MCP Apps protocol.
-
Advanced Security plugin for GitHub Copilot.
-
Build Power Apps Canvas Apps using the Canvas Authoring MCP server.
Has a listing on Cursor: cursor/plugins (5)
-
Fan large tasks out across parallel cloud agents with planners, workers, verifiers, and structured handoffs.
-
Patterns for designing CLIs that coding agents can run reliably: flags, help with examples, pipelines, errors, idempotency, dry-run.
-
Iterative self-referential AI loops using the Ralph Wiggum technique.
-
CLI-backed repo compatibility scans plus agents that audit startup, validation, and docs against reality.
-
Scaffold and validate new agent plugins.
Has a listing on Docker MCP Catalog (5)
-
Wayfound’s MCP server allows business users to govern, supervise, and improve AI Agents.
-
Server-enforced workflow discipline for AI agents: work items, dependency graphs, quality gates
-
Discover and connect to a curated marketplace of MCP servers for extending AI agent capabilities.
-
Documentation on AgentCore platform services.
-
Give your AI agents trusted access to the full Postman platform.
Has a listing on Official MCP Registry (5)
-
agent-guard io.github.mdfifty50-boop/agent-guard
Constitutional guardrails and loop detection for AI agents
-
think-mcp net.agentutil/think-mcp
Intent security pre-flight checks for autonomous AI agents.
-
agentguard io.tooloracle/agentguard
AgentGuard — 20-tool AI safety MCP: policy preflight, risk scoring, audit logging, rate limits.
-
gateway ai.sealgate/gateway
MCP gateway with runtime security policy, tool-call-level control, and audit of agent actions.
-
governance-platform ai.geodesiclabs/governance-platform
Pre-execution governance for AI agents. Deterministic PASS/FAIL/REVIEW verdicts, replayable proof.
Found by meaning, not by shared code or a shared repository: similar plugins stay separate products, and this is not a review or a recommendation.
Is this your plugin?
Add it to your projects and prove you maintain it with a file in its repository, a file on your domain or a DNS record. You get alerts when a marketplace lists it, drops it, changes its verified mark or what it asks for, and its remote endpoint goes on monitoring as a web service.
Data comes from the Official MCP Registry (registry.modelcontextprotocol.io), CC0 1.0. Figures come from our own regular passes over the marketplaces, last read on . We publish no contact details for plugin publishers.