Agent skill

package-add

Install a package from the Unity Package Manager registry, Git URL, or local path. This operation modifies the project's manifest.json and triggers package resolution. Note: Package installation may trigger a domain reload. The result will be sent after the reload completes. Use 'package-search' tool to search for packages and 'package-list' to list installed packages.

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Forks 190

Install this agent skill to your Project

npx add-skill https://github.com/IvanMurzak/Unity-MCP/tree/main/Unity-MCP-Plugin/.claude/skills/package-add

SKILL.md

Package Manager / Add

How to Call

bash
unity-mcp-cli run-tool package-add --input '{
  "packageId": "string_value"
}'

For complex input (multi-line strings, code), save the JSON to a file and use:

bash
unity-mcp-cli run-tool package-add --input-file args.json

Or pipe via stdin (recommended):

bash
unity-mcp-cli run-tool package-add --input-file - <<'EOF'
{"param": "value"}
EOF

Troubleshooting

If unity-mcp-cli is not found, either install it globally (npm install -g unity-mcp-cli) or use npx unity-mcp-cli instead. Read the /unity-initial-setup skill for detailed installation instructions.

Input

Name Type Required Description
packageId string Yes The package ID to install. Formats: Package ID 'com.unity.textmeshpro' (installs latest compatible version), Package ID with version 'com.unity.textmeshpro@3.0.6', Git URL 'https://github.com/user/repo.git', Git URL with branch/tag 'https://github.com/user/repo.git#v1.0.0', Local path 'file:../MyPackage'.

Input JSON Schema

json
{
  "type": "object",
  "properties": {
    "packageId": {
      "type": "string"
    }
  },
  "required": [
    "packageId"
  ]
}

Output

This tool does not return structured output.

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