MCP servers

An MCP server connects an agent to external data and tools over a single protocol: files, databases, APIs and services. This section lists servers with their transport, auth method and environment variables, an install command and an honest read on the risks.

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Found: 142

Official

On-premises RAG in containers with an MCP server: the agent searches your documents while data stays local

Medium risk1KRepository stars
Official

An MCP server and CLI that lets an agent query and provision cloud, SaaS and API resources with plain SQL

High risk1KRepository stars

MCP server for Kubernetes: the agent reads cluster state, diagnoses pod failures and runs operations through kubectl

High risk961Repository stars
Official

A local sandbox for AI agents: they run code and actions in an isolated container exposed over MCP

High risk893Repository stars

A set of MCP servers for UniFi: the agent works with Ubiquiti Network, Protect and Access controllers

High risk855Repository stars

An MCP server for NixOS resources: search packages and options so the agent does not invent names and settings

Low risk849Repository stars

A bridge between an MCP client and a Kali Linux terminal so the agent can run nmap, sqlmap, hydra and other tools for authorized pentesting and CTF

High risk829Repository stars

MCP Security Hub

Offensive Security MCP Servers

A set of Dockerized MCP servers for offensive security tools: nmap, nuclei, sqlmap, radare2, ghidra and more, driven by an AI assistant

High risk796Repository stars

MCP server for managing Docker in natural language: containers, images, networks and volumes, including remote hosts over SSH

High risk746Repository stars
Official

Google's MCP server for deploying apps to Cloud Run from an agent, with service listing and log reading

High risk631Repository stars

A gateway that turns any API with an OpenAPI V3 spec into an MCP server, without touching the original API

Medium risk625Repository stars

An MCP server for Argo CD: applications, resource trees, logs, events, sync and resource actions

High risk576Repository stars

MCP server for iTerm: the agent runs commands in the active terminal session, reads output and sends control characters

High risk568Repository stars

MCP server for Proxmox VE: manage VMs, LXC, snapshots and backups from an agent with permission control and command approval

High risk562Repository stars

An MCP server for Prometheus: the agent runs PromQL queries, discovers metrics and checks scrape targets

Medium risk518Repository stars
Official

Apache Doris's official read-only MCP server: catalogs, queries, cluster diagnostics, search and lineage

Medium risk348Repository stars

MCP server for Home Assistant: an agent reads device states, controls them and edits smart home dashboards

High risk344Repository stars
Official

Official Render MCP server: services, deploys, logs, metrics and Postgres databases on Render

High risk174Repository stars
Official

Confluent MCP server for Kafka: topics, messages, Flink SQL, Schema Registry and connectors

High risk169Repository stars
Official

Google Cloud's MCP server and Gemini CLI extension for GKE clusters: resources, logs, deploys, costs and upgrade risks

High risk167Repository stars
Official

Official Docker MCP server: image search, tags, repositories and Docker Hardened Images on Docker Hub

Medium risk167Repository stars
Official

Official DigitalOcean MCP server: App Platform, droplets, databases, Kubernetes, networking and storage through an agent

High risk139Repository stars
Official

Official Auth0 MCP server: tenant applications, Actions, logs and users via the Management API

High risk122Repository stars
Official

Official Heroku MCP server: apps, dynos, add-ons, pipelines, logs and Postgres through the Heroku CLI

High risk82Repository stars

Frequently asked questions

What is an MCP server?

An MCP server connects an agent to external data and tools over a single protocol: files, databases, APIs and services. The agent calls its tools while it works.

How do I connect an MCP server to an agent?

The entry lists how to run it (npx, uvx, docker or a remote URL) and the environment variables. A config snippet goes into the agent settings.

Do I need a key or a paid account?

It depends on the server. Each entry states the auth method and requirements, including paid accounts, in the limitations block.