SkillMaxx / Development / Unity

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Unity

Unity's official plugin for Claude Code, with curated skills for game development, monetization, and performance optimization.

PluginDevelopmentSource ↗Claude marketplace ↗Grok marketplace ↗

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Install

Tested ✓✓ Verified from docsOfficial docs ↗
/plugin install unity@claude-plugins-official

Tested ✓ on 2026-10-16: installed and loaded in a throwaway sandbox with no credentials.

Log excerpt
Installing plugin "unity@claude-plugins-official"...✔ Successfully installed plugin: unity@claude-plugins-official (scope: user)
$ verify:
  ❯ unity@claude-plugins-official
    Status: ✔ enabled
1 run, latest 2026-10-16

Unity

Unity's official game development plugin. Build, monetize, and operate Unity games with guidance grounded in Unity's documented practices.

Available for Claude Code, Codex, and Grok.

Install

Claude Code — these two are slash commands, so type them inside a Claude Code session rather than in a terminal:

/plugin marketplace add Unity-Technologies/unity-agent-plugin
/plugin install unity@unity-agent-plugin

From a terminal instead, use the claude CLI. Installs done this way load the next time you start Claude Code, or when you run /reload-plugins in an open session:

claude plugin marketplace add Unity-Technologies/unity-agent-plugin
claude plugin install unity@unity-agent-plugin

Codex

codex plugin marketplace add Unity-Technologies/unity-agent-plugin
codex plugin add unity@unity-agent-plugin

Grok

In Grok Build, open /marketplace, search for Unity, and press i. Or install from a terminal:

grok plugin install Unity-Technologies/unity-agent-plugin --trust
Verify it worked

Each agent surfaces an installed plugin differently.

Claude Code — type /unity: and the skills appear in the command list. /plugin also shows unity as installed and enabled.

Codex — run codex plugin list:

PLUGIN                    STATUS              VERSION
unity@unity-agent-plugin  installed, enabled  0.1.8-beta

Grok: type / and the skills appear in the slash menu. Grok uses the plain skill name, and switches to the plugin-qualified form (/unity:ui-uitk) when another installed skill shares the same name. grok plugin list shows unity, and grok plugin details unity lists what it provides.

Manual install

If you can't use the marketplace commands, clone the repo and link each skill into your personal skills directory. Run this from the folder you want the clone in:

git clone https://github.com/Unity-Technologies/unity-agent-plugin.git
cd unity-agent-plugin

Claude Code

mkdir -p ~/.claude/skills
for d in "$PWD"/skills/*; do ln -sfn "$d" ~/.claude/skills/"$(basename "$d")"; done

Codex

mkdir -p ~/.agents/skills
for d in "$PWD"/skills/*; do ln -sfn "$d" ~/.agents/skills/"$(basename "$d")"; done
Read the full README on GitHub →

Preview from the source repo. Images are removed.

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