"Free Graph and Network Visualization Tools (No API Key Required)" matching MCP servers:

Enables AI assistants to manage UniFi network infrastructure through 50+ tools covering devices, clients, networks, WiFi, firewall rules, and guest access using the official UniFi Network API.

Comprehensive development tools for Home Assistant, enabling file management, template testing, entity/state management, service calls, log access, and system information retrieval through MCP.

Provides read-only access to Shelly Cloud energy data, including live power, lifetime energy, and historical consumption with cost, enabling AI agents to monitor electricity usage without device control.

Enables to retrieve device information, images, media, location, thumbnails, and events from the Safie API through MCP.

A Multi-Agent Conversation Protocol server that provides an interface to Google's Cloud IoT API, allowing agents to interact with and manage IoT devices and registries through natural language.

Enables AI agents to interact with Homey home automation systems for managing flows, devices, and zones. Perfect for bulk automation tasks like batch renaming flows, organizing them into folders, and managing devices across zones through natural language.

Controls GREE/EWPE-compatible WiFi air conditioners directly over your LAN using native UDP protocol. No Homebridge or cloud required.

Enables registration, monitoring, and control of IoT devices via AI agents, with local storage and no cloud API key required.

Control a Vizio SmartCast TV over your local network via the SmartCast local API, with no cloud required.

Enables natural language interaction with Connhex IoT platform APIs for managing devices, telemetry, rules, and resources via MCP tools.

Enables controlling PiShock devices (shock, vibrate, beep) via the MCP protocol with API key authentication.

Enables AI agents to monitor and control Orbis Viaris EV chargers over the local network, including live power status, charging schedules, history, and power limits, with no cloud dependency.

Exposes real-time soil sensor metrics as MCP Resources and irrigation valve controls as MCP Tools, enabling AI-driven agronomic decisions with built-in safety guardrails.

Enables AI agents to monitor and control Nokia G-2425G-A GPON home routers (e.g., Airtel) via natural language, including listing connected devices, and blocking or unblocking internet access for specific devices.

Connects embodied devices (like StackChan, Raspberry Pi, ESP32) to AI via MCP protocol, enabling motion control with zero API cost, no PC required, and fully self-hosted.

Enables MCP clients to control Sony Bravia TVs over the local network, including power, HDMI inputs, apps, volume, and mute through the TV's JSON-RPC API.

Provides read-only access to SaaS_A's management REST API, allowing users to inspect tenants, users, groups, devices, formats, and export observation data as CSV from MCP clients. It uses only GET requests, so no write operations are possible.

Enables control of Sprut.hub smart home devices through dynamic API discovery and schema validation.

MCP server for PTC ThingWorx, the IIoT platform, providing 8 tools for AI agents to read live state and trigger actions across the industrial asset graph with env-gated safety for writes and invocations.

MCP server for controlling Google TV devices via natural language. Enables key presses, text input, and app launching on paired devices.