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The Endor Labs Agent Kit installs into OpenAI Codex as a plugin, adding the Endor Labs setup skill, Codex skills, and bundled custom-agent definitions.
1

Install the plugin

Add the Endor Labs marketplace and install the Endor Labs Agent Kit from the Codex plugin directory. In the Codex CLI, run.
Restart Codex and start a new thread after installing or reinstalling the plugin so the host loads the skills and agents.
2

Set up this machine

Ask Codex to run setup.
After explicit approval, the setup skill installs the managed Endor Labs custom agents for Codex under ${CODEX_HOME:-~/.codex}/agents and bundled user skills under $HOME/.agents/skills. It does not run scans, run endorctl host-check, edit shell profiles, install gh, or install language runtimes and package managers.
3

Run your first workflow

Each workflow is available as a Codex skill and as a custom agent. Try these example prompts.
See the Agent Kit overview for the full agent catalog, and the safety model for how mutating agents handle approval gates.