Fine's Agent Skills

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A curated, installable collection of agent skills for creative production, interface design, engineering, and visual explanation. This repository unifies the former fine405/skills and fine405/dev-skills collections while keeping each skill independently installable.

Skills

AIGC

Skill	Purpose
app-icon-design	Orchestrate one app-icon identity across themes, visual styles, platforms, and production QA.
app-icon-theme	Create coherent theme-driven variants of an existing app icon without losing its identity.
imagegen-ansi	Turn references or raster art into transparent ANSI-style assets and code-ready terminal previews.
imagegen-glyph-mosaic	Generate full-color glyph-mosaic illustrations with a coherent character grid and palette logic.
imagegen-transparent	Generate or extract clean transparent assets with chroma-key removal, alpha cleanup, and validation.

Design

Skill	Purpose
hallmark-study	Extract reusable design DNA from a screenshot or public URL without cloning protected content.
hallmark-build	Design and implement distinctive web UI while preserving the existing product system.
hallmark-audit	Audit UI code and rendered evidence for hierarchy, accessibility, responsiveness, trust, and implementation risk.

The Hallmark workflow is intentionally split into three explicit skills:

hallmark-study  -> extract abstract design DNA
hallmark-build  -> implement against the product system
hallmark-audit  -> inspect code and rendered evidence without editing

Engineering

Skill	Purpose
open-source-contribution	Prepare compliant upstream contributions by checking repository rules, related work, verification gates, attribution, and CI.

Productivity

Skill	Purpose
eli5	Turn a topic into a self-contained, picture-first HTML explainer for a complete beginner.

Install

List the available skills:

npx skills add fine405/skills --list

Install one skill:

npx skills add fine405/skills --skill app-icon-design

Install every skill:

npx skills add fine405/skills --skill '*'

The skills CLI discovers skills recursively, so category folders do not change the installed skill name.

Existing fine405/dev-skills users can switch the package source to fine405/skills; all five former development skill names remain unchanged.

Repository structure

skills/
├── aigc/
│   ├── app-icon-design/
│   ├── app-icon-theme/
│   ├── imagegen-ansi/
│   ├── imagegen-glyph-mosaic/
│   └── imagegen-transparent/
├── design/
│   ├── hallmark-audit/
│   ├── hallmark-build/
│   └── hallmark-study/
├── engineering/
│   └── open-source-contribution/
└── productivity/
    └── eli5/

Every skill has a SKILL.md and Codex-facing agents/openai.yaml. Optional references/, scripts/, examples/, and assets/ stay inside the skill so the directory remains portable when installed by itself. Some small utilities are deliberately duplicated between independently installable skills; repository validation prevents those copies from drifting.

Validate

Run the same checks as CI:

python3 scripts/validate_repo.py
python3 -m unittest discover -s tests -v
python3 -m compileall -q skills scripts tests

The validator checks category structure, frontmatter, unique names, agent metadata, bilingual index coverage, local Markdown links, and synchronized shared utility copies.

Attribution and license

The Hallmark skills are adapted from Nutlope/hallmark under the MIT License. eli5 was inspired by Anthropic's community eli5 plugin and rewritten for Codex Skills. See THIRD_PARTY_NOTICES.md for details.

Original content is licensed under the MIT License.