# Unity's plugin for third-party agents

> Install and use Unity's plugin for third-party agents to add Unity's first-party tooling to your AI agent environment.

Unity's plugin for third-party agents adds Unity's first-party tooling to the AI agent you already use, so the agent follows Unity's current guidance instead of guessing.

> **Note:**
>
> This isn't a Unity Asset Store plugin and you can't install it through the Package Manager.

[About Unity's plugin](/ai/unity-plugin/about-unity-plugin.md): Learn about Unity's plugin for third-party agents, its bundled skills, and best practices for working with your AI agent.
[Unity's plugin for Claude Code](/ai/unity-plugin/claude-code.md): Install and troubleshoot Unity's plugin for Claude Code to access Unity's first-party tooling within your Claude Code environment.
[Unity's plugin for Codex](/ai/unity-plugin/codex.md): Install Unity's plugin for Codex to access Unity's first-party tooling within your Codex environment.
[Unity's plugin for Grok](/ai/unity-plugin/grok.md): Install Unity's plugin for Grok to access Unity's first-party tooling within your Grok environment.