illo-skill

Name: illo-skill
Author: tmchow

Verified

illo skill — an AI agent skill that turns ideas and articles into original print-style editorial illustrations, starring a recurring mascot. 30+ characters packs, with ability to create your own.

271stars

10forks

Python

Installation

# Add to your Claude Code skills
git clone https://github.com/tmchow/illo-skill

Getting Started

Guides for using ai agents skills like illo-skill.

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How agent-side prompt compression works, when to use it, and when not to.
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Security ReportVerified

Last scanned: 6/22/2026

{
  "issues": [],
  "status": "PASSED",
  "scannedAt": "2026-06-22T09:49:08.633Z",
  "npmAuditRan": true,
  "pipAuditRan": true,
  "promptInjectionRan": true
}

README.md

Frequently Asked Questions

What is illo-skill?

illo-skill is an open-source ai agents skill for AI coding assistants such as Claude Code, Codex CLI, and ChatGPT, built by tmchow. illo skill — an AI agent skill that turns ideas and articles into original print-style editorial illustrations, starring a recurring mascot. 30+ characters packs, with ability to create your own. It has 271 GitHub stars.

Is illo-skill safe to use?

Yes. illo-skill passed SkillsLLM's automated security scan — a dependency vulnerability audit plus prompt-injection heuristics — with no high-severity issues. You can read the full report in the Security Report section on this page.

How do I install illo-skill?

Clone the repository with "git clone https://github.com/tmchow/illo-skill" and add it to your Claude Code skills directory (see the Installation section above).

What programming language is illo-skill written in?

illo-skill is primarily written in Python. It is open-source under tmchow on GitHub, so you can review or fork the full source.

Are there alternatives to illo-skill?

Yes. SkillsLLM lists many other AI Agents skills you can browse and compare side by side. Open the AI Agents category from the badge at the top of this page, or use the Related Skills and comparison links further down to weigh illo-skill against similar tools.

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Generate original print-style editorial illustrations for articles and blogs, starring a recurring mascot that performs each idea. Each character pack carries one of ten bundled looks (riso, blueprint, woodcut, pixel, clay, manila, chalk, phosphor, enamel, gouache) or a custom style — default Blot (a deadpan ink-drop), or design your own with the built-in character builder. One-metaphor-per-image scenes with named + custom + derived palettes and reference-image character consistency. Renders through three backends: your Codex CLI (gpt-image-2) or Grok CLI (xAI) on your subscription — free for subscribers, no API key — when one is installed and logged in, or OpenRouter (model-selectable: Grok Imagine, Nano Banana 2/Pro, GPT-5.4 Image 2, …) as the universal fallback. Grok can't make transparent cutouts; those fall back automatically.

Hand it "we replatform with zero downtime" and you get the bridge being rebuilt under live traffic:

Zero downtime — rebuilding the bridge under live traffic

🌐 illo-skill.com — live examples, the character gallery, and copy-paste installs.

The skill itself lives in skills/illo/ — its README is the full developer reference (prerequisites, API-key setup, models & cost, everything below in detail).

Same idea, different voice — four of the ten bundled looks:

Install

Recommended: use your platform's native plugin or skill manager. These lanes install the same illo skill, but they preserve the runtime's managed update path. Use the generic npx skills installer only when your runtime doesn't have a native lane yet.

Platform	Install	Update
Claude Code	`/plugin marketplace add tmchow/illo-skill` then `/plugin install illo@illo-skill`	`claude plugin update illo`, or enable marketplace auto-update
Codex	`codex plugin marketplace add tmchow/illo-skill` then `codex plugin add illo@illo-skill`	`codex plugin marketplace upgrade`
Grok	`grok plugin marketplace add tmchow/illo-skill` then `grok plugin install tmchow/illo-skill --trust`	`grok plugin update illo`
Gemini CLI	`gemini extensions install https://github.com/tmchow/illo-skill`	`gemini extensions update illo`
Copilot / GitHub CLI	`gh skill install tmchow/illo-skill illo` (cross-agent via `--agent`)	`gh skill update illo`
Hermes	`hermes skills install tmchow/illo-skill/illo`	`hermes skills update illo`
OpenClaw	`openclaw skills install illo`	reinstall with the same command
Cursor	`npx skills add tmchow/illo-skill --skill illo` (Cursor Marketplace listing pending review)	re-run the installer
Other agents / last resort	`npx skills add tmchow/illo-skill --skill illo`	`npx skills update`

Every lane installs the same skill; releases are tagged v<version> and the version in every manifest is kept in lockstep with skills/illo/SKILL.md by Release Please and CI.

Repo layout

The skill sits in skills/illo/, following the layout of the canonical skill repos (anthropics/skills, openai/skills): a top-level skills/ folder, one directory per skill. It is deliberately not at the repo root — installers copy the entire skill directory verbatim, so the skill dir holds only what every install should ship. Docs-only images live in _assets/illo/ (linked by raw URL), and repo meta stays at the root — including the plugin manifests (.claude-plugin/, .codex-plugin/, .cursor-plugin/, .grok-plugin/, gemini-extension.json) that make the repo installable as a native plugin on each platform.

Companion repos

tmchow/illo-characters — community character packs ("install the blip character").