DDC-CI Control Bridge

6.5easy start · #9 of 25
in Monitor Control Software

Free to practise onnot on record
Free trialnot on record
Well documentedyes
Runs where you workyes

Runs on api, Linux, Mac, self-hosted, Windows.

DDC-CI Control Bridge is ranked #9 of 25 in monitor control software on The Geeks Club. It runs on API, Linux, macOS, Self-hosted, Windows.

Compared on monitor control software

Free plan: Yes
Supported platforms: Windows, Linux, macOS
DDC/CI control: Yes
Input switching: Yes
CLI or API access: Yes

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The record

Purpose: The project controls monitor brightness, contrast, power, and input through DDC/CI.
MCP server: It includes a Model Context Protocol server with resources and tools for AI or agent integration.
MQTT client: Its MQTT client connects to MQTT brokers for IoT and automation integrations.
Integrations: The README lists Home Assistant auto-discovery, openHAB, Node-RED, Domoticz, and generic MQTT platforms.
Monitor controls: The MCP tools include reading and writing VCP codes, getting and setting brightness, and rescanning monitors and capabilities.
Distribution: It is available as an npm package or as standalone executables for Windows, Linux, and macOS.
Deployment: The README describes local stdio setup and remote HTTP/SSE access from other machines on a network.
Authentication: The server requires a DDC_API_KEY environment variable for authentication.
License: The repository identifies the project as MIT licensed.
Requirements: A monitor must support DDC/CI and have it enabled in its on-screen settings; Linux may require i2c group access.
Limitations: The README notes that some monitor VCP codes may be read-only and that supported codes vary by monitor.
Intended users: The project describes use by AI agents through MCP and automation platforms through MQTT.
Home Assistant: Supports Home Assistant auto-discovery through the MQTT Discovery Protocol.
Other integrations: The README lists openHAB, Node-RED, and Domoticz as supported MQTT integrations.

Where it ranks on The Geeks Club

Best Monitor Control Software in 2026#9 of 25

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Sources

github.com/Defozo/ddc-ci-control-bridge· checked 4 Oct 2026