unityctl-workflows

A workflow skill for operating Unity projects through the unityctl command-line tool or MCP server. Unity is a development environment for making games and interactive 3D applications.

In plain words
What is it for?
It helps work with scenes, game objects, components, assets, scripts, settings, Play Mode, tests, builds, screenshots, and verification tasks.
Why use it?
It provides a structured way to inspect, modify, debug, and verify Unity-owned project state and editor operations.

Skill for Claude CodeCodex

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add skills/jason-hub-star/unityctl/unityctl-workflows
Any agent
npx skills add Jason-hub-star/unityctl --skill unityctl-workflows
Clone the repo
git clone --depth 1 https://github.com/Jason-hub-star/unityctl

Made for: Claude Code, Codex.

Per session 79 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 903 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5 $0.00079 $0.00903
Opus 5 $0.00039 $0.00451
Sonnet 5 $0.00016 $0.00181
Haiku 4.5 $0.00008 $0.00090

Measured 2d ago against content hash f2a6916ebd86, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

unityctl-workflows scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

skills/unityctl-workflows/SKILL.md · 96 lines

How it starts

The opening of the file, as written. The whole thing — 96 lines — stays where its author put it; the contents beside it link to each section on GitHub.

unityctl Workflows

Use unityctl as the execution and evidence layer. Keep source-code edits in normal filesystem tools; use unityctl for Unity-owned state and live Editor operations.

Establish the target

  1. Resolve the Unity project root containing Assets/, Packages/, and ProjectSettings/.
  2. Pass --project explicitly on every project-scoped command. Discovery commands such as editor current and editor instances are global and do not accept it.
  3. Check the installed CLI and project:
unityctl --version
unityctl doctor --project "$P" --json
  1. If the bridge is missing, install the bundled bridge, then open Unity and wait for stability:
unityctl init --project "$P"
unityctl await-ready --project "$P" --timeout 300 --json

Do not run init again when doctor reports a healthy matching bridge.

Discover, do not guess

Use the live command surface instead of memorizing flags:

unityctl tools --json
unityctl <command> --help

tools --json returns a top-level array. Use names returned by it; the machine command catalog uses hyphenated names while the CLI may expose grouped verbs.

unityctl tools --json | jq '.[].name'

Run the closed loop

  1. Read the current state, including scene hierarchy --summary.
  2. If any affected scene is already dirty, stop before writing. Ask whether to save the existing work or let the user revert it; do not mix ownership.
  3. Compare editor current --json with the intended project. Before writes, select the intended target explicitly when they differ:
unityctl editor current --json
unityctl editor select --project "$P" --json
  1. Make the smallest Unity-owned change.
  2. Read back the exact changed field or object.
  3. Save the affected scene or asset.
  4. Run the narrowest relevant check.
  5. Produce artifact evidence for visual or multi-step work.

Prefer stable globalObjectId values after saving a scene. Name targeting is acceptable for initial creation but is ambiguous once duplicates exist.

Read the full file on GitHub · 96 lines

Files

What ships with it

2 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 2d ago First seen · 96 lines · 79 tokens per session scan A f2a6916ebd86

Subscribe to this mod's changes

unityctl-workflows is a skill published in the GitHub repository Jason-hub-star/unityctl (18 stars, last pushed 12d ago), licensed MIT. It adds 79 tokens to every session and 903 once invoked, about $0.0004 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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