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Agent skill

Build CLI

by IvanMurzak in IvanMurzak/Unity-MCP

Build the unity-mcp-cli TypeScript CLI tool and link it globally for terminal use.

Apache-2.0Auto-check passedGame Development

Install Build CLI

skills CLI
$ npx skills add IvanMurzak/Unity-MCP --skill build-cli -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install IvanMurzak/Unity-MCP build-cli --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/IvanMurzak/Unity-MCP.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.claude/skills/build-cli .claude/skills/build-cli && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
build-cli
GitHub stars
4.4k
Token cost
~260 tokens
SKILL.md length
97 words
Files
1
Skills in repo
80
Repo updated
First seen
Licence
Apache-2.0

At a glance

Build the unity-mcp-cli TypeScript CLI tool and link it globally for terminal use.

  • Works in 4 steps: Install Dependencies → Build TypeScript → Link Globally (if $ARGUMENTS contains… → …
  • Game Development work in your project
  • SKILL.md covers Step 1 — Install Dependencies, Step 2 — Build TypeScript, Step 3 — Link Globally (if… and Step 4 — Verify, plus 1 more section
  • Calls npm

What it does

Build CLI is an agent skill from IvanMurzak/Unity-MCP. Build the unity-mcp-cli TypeScript CLI tool and link it globally for terminal use.

Its SKILL.md is about 260 tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

It sits in Game Development. It works with TypeScript and Model Context Protocol. The repository describes itself as: AI Skills, MCP Tools, and CLI for Unity Engine. Full AI develop and test loop. Use cli for quick setup. Efficient token usage, advanced tools. Any C method may be turned into a… The licence is Apache-2.0.

When your agent uses it

  • Game Development work in your project

Example prompts

  • “/build-cli”

Requirements

  • Node.js

Workflow steps

4 steps, taken from the step headings in SKILL.md.

  1. Install Dependencies
  2. Build TypeScript
  3. Link Globally (if $ARGUMENTS contains --link or first time)
  4. Verify

What it can do on your machine

Read from SKILL.md and the folder at commit 4c8056f. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    Shell commands in SKILL.md call:

    • npm

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md. Its commands use npm, which can reach the network depending on how they are called.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Build CLI loads about 260 tokens when it runs. Until then it costs about 23 tokens; SKILL.md has 97 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~23
When it runs · the whole SKILL.md, loaded when a task matches
~260

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

The full file from IvanMurzak/Unity-MCP at commit 4c8056f, republished under its Apache-2.0 licence (© IvanMurzak). 97 words, ~260 tokens.

Download SKILL.mdSave it as .claude/skills/build-cli/SKILL.md (or your agent's skills folder).
name
build-cli
description
Build the unity-mcp-cli TypeScript CLI tool and link it globally for terminal use.
disable-model-invocation
true
argument-hint
[optional: --link to also run npm link]

Build CLI

Build the unity-mcp-cli TypeScript project and optionally link it globally.

Step 1 — Install Dependencies

bash
cd cli && npm install

Only needed if node_modules/ is missing or package.json changed.

Step 2 — Build TypeScript

bash
cd cli && npm run build

This compiles src/**/*.ts → dist/**/*.js via tsc.

bash
cd cli && npm link

This creates a global symlink so unity-mcp-cli is available from any terminal. Only needed once — after that, npm run build alone is sufficient.

Step 4 — Verify

bash
unity-mcp-cli --version

Confirm the CLI is accessible and shows the expected version.

Report

Print the version and confirm success. If any step failed, show the error output.

© IvanMurzak, Apache-2.0. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

Just SKILL.md in .claude/skills/build-cli of IvanMurzak/Unity-MCP.

Open the folder on GitHubat commit 4c8056f

Compare with similar skills

Build CLI next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Build CLI compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Build CLI this skillIvanMurzak/Unity-MCP4.4k—~260Automated safety check: PassApache-2.0
Cesium Mapgaopengbin/cesium-mcp140—~964Automated safety check: PassMIT
Cesium Quickstartgaopengbin/cesium-mcp140—~354Automated safety check: PassMIT
MCP Server Builderanthropics/skills180k64 repos~2.3kAutomated safety check: PassApache-2.0
MCP Server BuildershareAI-lab/learn-claude-code78k5 repos~1.2kAutomated safety check: PassMIT
Effect V4ComposioHQ/composio30k—~1kAutomated safety check: PassMIT

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Works with

Categories

Questions about Build CLI

What does Build CLI do?

Build the unity-mcp-cli TypeScript CLI tool and link it globally for terminal use. Build CLI is an agent skill from IvanMurzak/Unity-MCP. Build the unity-mcp-cli TypeScript CLI tool and link it globally for terminal use.

When should I use Build CLI?

Build CLI fits situations like: game Development work in your project.

How do I install Build CLI in Claude Code?

Run `npx skills add IvanMurzak/Unity-MCP --skill build-cli -a claude-code`. Or copy the skill folder (.claude/skills/build-cli in IvanMurzak/Unity-MCP) into .claude/skills/build-cli in your project. Claude Code loads it when a task matches its description.

How do I install Build CLI in Codex?

Run `npx skills add IvanMurzak/Unity-MCP --skill build-cli -a codex`. Or copy the skill folder (.claude/skills/build-cli in IvanMurzak/Unity-MCP) into .agents/skills/build-cli in your project. Codex loads it when a task matches its description.

Can I use Build CLI in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add IvanMurzak/Unity-MCP --skill build-cli -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/build-cli, .gemini/skills/build-cli, .github/skills/build-cli and .opencode/skills/build-cli in your project.

What does Build CLI need to run?

Going by SKILL.md and its folder, Build CLI needs the command-line tools its instructions call (npm). Our summary lists: Node.js.

Does Build CLI access the network?

SKILL.md contains no URLs. Its commands use npm, which can reach the network depending on how they are called. This is read from the text; nothing was executed.

Is Build CLI safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Build CLI use?

Build CLI is published under the Apache-2.0 licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Build CLI use?

About 260 tokens (SKILL.md is roughly 1k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Build CLI?

Skills that share tags, products or a category with Build CLI: Cesium Map (gaopengbin/cesium-mcp, 140 stars), Cesium Quickstart (gaopengbin/cesium-mcp, 140 stars), MCP Server Builder (anthropics/skills, 180k stars) and MCP Server Builder (shareAI-lab/learn-claude-code, 78k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Build CLI?

IvanMurzak (a GitHub user) maintains it in IvanMurzak/Unity-MCP, which has 4,398 GitHub stars. The repository holds 80 skills in this directory. The repository was last updated on October 4, 2026.

Source: IvanMurzak/Unity-MCP on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.