The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code, Codex, Opencode, Cursor and beyond.
Open Codex Computer Use
Open Computer Use – Open-Source Alternative to Codex Computer Use
Install
npx skills add iFurySt/open-codex-computer-use -g -a codex --skill open-computer-use -yclaude mcp add open-codex-computer-use -- npx skills add iFurySt/open-codex-computer-use -g -a codex --skill open-computer-use -y{
"mcpServers": {
"open-codex-computer-use": {
"command": "npx",
"args": [
"skills",
"add",
"iFurySt/open-codex-computer-use",
"-g",
"-a",
"codex",
"--skill",
"open-computer-use",
"-y"
]
}
}
}Install command taken from the project's README or registry entry. Always review code before running it.
README excerpt
Read full README on GitHub →open-computer-use
[!TIP] Interested in Browser Use? Check out open-browser-use.
open-computer-use is an open-source Computer Use service wrapped as MCP. Any AI agent or MCP client can use it to run Computer Use on macOS, Linux, and Windows.
This project was inspired by OpenAI's Codex Computer Use. It showed that non-intrusive CUA can be built on top of Accessibility, so I decided to build an open-source version.
I started this repo with my harness template, a template for quickly spinning up AI-first projects. It has been one of our most useful workflows lately, especially for nearly 100% AI-generated projects. I also wrote a post about the methodology behind it.
Demos
Codex App and Codex CLI
open-computer-use used as Computer Use in Codex App and Codex CLI, matching the official experience.
Gemini CLI
https://github.com/user-attachments/assets/eacb3b15-f939-46c7-b3b3-6f876977a58d
Gemini CLI connects to open-computer-use through MCP and runs full Computer Use actions.
Linux
https://github.com/user-attachments/assets/e036b1c8-2200-4896-abd4-19225915cf66
open-computer-use running on Linux.
Quick Start
npm i -g open-computer-use
The npm package also exposes ocu as the short CLI alias.
[!IMPORTANT] The macOS runtime requires macOS 14.0 or later.
On macOS, run it once and grant Accessibility and Screen Recording. Windows and Linux do not need this step.
open-computer-use
# or
ocu
Before using it, install it into your agent:
# Install into Codex by writing to ~/.codex/config.toml
open-computer-use install-codex-mcp
Or add it to your own client manually:
{
"mcpServers": {
"open-computer-use": {
"command": "open-computer-use",
"args": ["mcp"]
}
}
}
Skill
Install the skill directly:
# Install for Codex
npx skills add iFurySt/open-codex-computer-use -g -a codex --skill open-computer-use -y
npx skills ls -g -a codex | rg 'open-computer-use'
Install for Claude Code:
npx skills add iFurySt/open-codex-computer-use -g -a claude-code --skill open-computer-use -y
Update an existing global install, including the Codex install created above:
npx skills update open-computer-use -g -y
You can also manually download and install the
open-computer-use skill.
More
See the Locked Use guide for setup, installed components, and permissions.
Besides the MCP JSON config above, you can also use the built-in commands:
# Install into Codex by writing to ~/.codex/config.toml
open-computer-use install-codex-mcp
ocu install-codex-mcp
# Install as a Codex plugin, mainly for Codex App
open-computer-use install-codex-plugin
# Install into Claude Code by writing to ~/.claude.json
open-computer-use install-claude-mcp
# Install into Gemini CLI for the current project by writing to ./.gemini/settings.json
open-computer-use install-gemini-mcp
# Install into Gemini CLI user config instead
open-computer-use install-gemini-mcp --scope user
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