Agent skill

package-search

Search for packages in both Unity Package Manager registry and installed packages. Use this to find packages by name before installing them. Returns available versions and installation status. Searches both the Unity registry and locally installed packages (including Git, local, and embedded sources). Results are prioritized: exact name match, exact display name match, name substring, display name substring, description substring. Note: Online mode fetches exact matches from live registry, then supplements with cached substring matches.

View SKILL.md on GitHub Repository
Stars 2,087
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-search

SKILL.md

Package Manager / Search

How to Call

bash
unity-mcp-cli run-tool package-search --input '{
  "query": "string_value",
  "maxResults": 0,
  "offlineMode": false
}'

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

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

Or pipe via stdin (recommended):

bash
unity-mcp-cli run-tool package-search --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
query string Yes The package id, name, or description. Can be: Full package id 'com.unity.textmeshpro', Full package name 'TextMesh Pro', Partial name 'TextMesh' (will search in Unity registry and installed packages), Description keyword 'rendering' (searches in package descriptions).
maxResults integer No Maximum number of results to return. Default: 10
offlineMode boolean No Whether to perform the search in offline mode (uses cached registry data only). Default: true. Set to false to fetch latest exact matches from Unity registry.

Input JSON Schema

json
{
  "type": "object",
  "properties": {
    "query": {
      "type": "string"
    },
    "maxResults": {
      "type": "integer"
    },
    "offlineMode": {
      "type": "boolean"
    }
  },
  "required": [
    "query"
  ]
}

Output

Output JSON Schema

json
{
  "type": "object",
  "properties": {
    "result": {
      "$ref": "#/$defs/System.Collections.Generic.List<com.IvanMurzak.Unity.MCP.Editor.API.Tool_Package+PackageSearchResult>"
    }
  },
  "$defs": {
    "com.IvanMurzak.Unity.MCP.Editor.API.Tool_Package+PackageSearchResult": {
      "type": "object",
      "properties": {
        "Name": {
          "type": "string",
          "description": "The official Unity name of the package used as the package ID."
        },
        "DisplayName": {
          "type": "string",
          "description": "The display name of the package."
        },
        "LatestVersion": {
          "type": "string",
          "description": "The latest version available in the registry."
        },
        "Description": {
          "type": "string",
          "description": "A brief description of the package."
        },
        "IsInstalled": {
          "type": "boolean",
          "description": "Whether this package is already installed in the project."
        },
        "InstalledVersion": {
          "type": "string",
          "description": "The currently installed version (if installed)."
        },
        "AvailableVersions": {
          "$ref": "#/$defs/System.Collections.Generic.List<System.String>",
          "description": "Available versions of this package (up to 5 most recent)."
        }
      },
      "required": [
        "IsInstalled"
      ],
      "description": "Package search result with available versions."
    },
    "System.Collections.Generic.List<System.String>": {
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "System.Collections.Generic.List<com.IvanMurzak.Unity.MCP.Editor.API.Tool_Package+PackageSearchResult>": {
      "type": "array",
      "items": {
        "$ref": "#/$defs/com.IvanMurzak.Unity.MCP.Editor.API.Tool_Package+PackageSearchResult",
        "description": "Package search result with available versions."
      }
    }
  },
  "required": [
    "result"
  ]
}

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