Package Add

CommunityPopular

IvanMurzak

package-add

Install a Unity package from the registry, a Git URL, or a local path. Modifies `manifest.json` and triggers package resolution; may also trigger a domain reload — the final result is delivered after the reload via the request's `requestId`. Use 'package-search' / 'package-list' for discovery first.

Overview

Publisher	IvanMurzak
Repository	`Unity-MCP`
Skill name	`package-add`
Stars	4.4K
Forks	387
Bundled files	Instructions only
License	Apache-2.0
Links	Skill source Repository Homepage

Markdown instructions
A SKILL.md file the model loads on demand, so it only costs tokens when a request actually matches.
Works with any LLM
AI skills are plain Markdown, not provider-specific code, so this works with GPT, Claude, Gemini, Grok, or a local model.
Self-contained
Everything the model needs lives in the instructions — no extra files to sync.
Open source
Published by IvanMurzak on GitHub. Read the source before you install it.

Installation

Install the Package Add AI skill in TypingMind to use it with any LLM, or drop it into another agent that reads SKILL.md.

Install in TypingMind

TypingMind installs a skill straight from its GitHub folder — it reads SKILL.md, bundles the resource files, and stores the result locally.

Open the app and go to Plugins → Skills.
Choose "Install from GitHub".
Paste the skill folder URL below and confirm.
https://github.com/IvanMurzak/Unity-MCP/tree/main/Unity-MCP-Plugin/.claude/skills/package-add
Enable the skill in any chat where you want it available.

Store

Installed

Skills

Add skills

Import one or more skills from a public GitHub folder or a local .skill or .zip archive, or SKILL.md file.

From GitHub URLFrom .skill, .zip, or SKILL.md

GitHub repo or folder

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

Points to a single skill folder, or any folder that contains multiple skills. Public repos only.

CancelContinue

Plugins → Skills → Add skill → From GitHub URL, then paste the folder URL and press Continue.

Install in another agent

Any agent that reads the Agent Skills format can use this skill — copy the folder into that agent's skills directory.

Claude Code — .claude/skills

git clone --depth 1 https://github.com/IvanMurzak/Unity-MCP.git /tmp/Unity-MCP
mkdir -p .claude/skills
cp -r /tmp/Unity-MCP/Unity-MCP-Plugin/.claude/skills/package-add .claude/skills/package-add

Restart Claude Code after copying so it picks up the new skill.

Use it in TypingMind

Enable Package Add in any TypingMind chat and the model takes it from there. Its name and description sit in the system prompt, and the moment a request matches, the model loads the full instructions itself — you never invoke it by hand, and it costs no tokens until it is actually used.

The model loads Package Add on its own as soon as a request matches it.

Works with any AI model

AI skills are plain Markdown instructions rather than provider-specific code, so Package Add is not tied to the model it was written for. Install it once in TypingMind and use it with GPT-5, Claude, Gemini, Grok, DeepSeek, Mistral, Llama, or a local model you run yourself — all on your own API keys.

Loaded only when it is needed
The system prompt carries just the name and description. The instructions are fetched on the first matching request, so an idle skill costs nothing.
Switch models mid-chat
Because the skill is instructions rather than code, changing model does not break it — the next model reads the same SKILL.md.

Skill instructions

This is the SKILL.md content the model loads. Read it before installing — a skill is instructions your model will follow.

Package Manager / 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.

`packageId` formats

Plain package ID: com.unity.textmeshpro (installs latest compatible version).
Pinned 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.

Processing model

Returns Processing immediately with the supplied requestId. Once Client.Add completes, a follow-up result is delivered: success → SchedulePostDomainReloadNotification (delivers after the reload finishes), failure → an immediate error notification with the underlying Unity error message.

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.

Frequently asked questions

What does the Package Add AI skill do?

Why use Package Add on TypingMind?

Because you install it once and use it with any model. Package Add is plain Markdown rather than provider-specific code, so the same skill runs on GPT-5, Claude, Gemini, Grok, or a local model — and you can switch model mid-chat without it breaking. TypingMind runs on your own API keys, so you pay providers directly instead of a per-seat subscription, and your skills and chats stay in your own storage.

How do I install Package Add in TypingMind?

Open Plugins → Skills → Install from GitHub in TypingMind and paste https://github.com/IvanMurzak/Unity-MCP/tree/main/Unity-MCP-Plugin/.claude/skills/package-add. TypingMind reads its SKILL.md and installs it as a skill you can enable per chat.

Which AI models can use Package Add?

Any model you connect in TypingMind. AI skills are plain Markdown instructions rather than provider-specific code, so GPT, Claude, Gemini, Grok, and local models can all load this skill when a request matches it.

How many AI models can I use with Package Add?

As many as you like. As long as a model supports skills, you can use Package Add with it — GPT, Claude, Gemini, Grok, DeepSeek, Mistral, Llama and more — all on TypingMind with your own API keys.

Is the Package Add AI skill free?

Yes. It is published on GitHub by IvanMurzak under the Apache-2.0 license. You only pay your own AI provider for the tokens you use.

What are AI skills?

An AI skill is a reusable instruction bundle that teaches an AI model how to do one specific task. It follows the open Agent Skills format: a SKILL.md file with a name and description, plus any scripts, templates or reference files the model may need. The model reads the instructions only when your request matches the skill, so an installed skill costs nothing until it is used.

How are AI skills different from plugins or MCP servers?

A plugin or MCP server gives a model new tools to call — code that runs somewhere and returns a result. An AI skill gives the model knowledge and process instead: how to approach a task, which steps to follow, what good output looks like. Skills are plain Markdown, so they need no server, no API key and no runtime, and they work with any model.

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Overview

Installation

Install in TypingMind

Install in another agent

Use it in TypingMind

Works with any AI model

Skill instructions

Package Manager / Add

packageId formats

Processing model

How to Call

Troubleshooting

Input

Input JSON Schema

Output

Frequently asked questions

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`packageId` formats