Add New Opc Skill

skills/<skill-name>/
├── SKILL.md              (required) Main skill documentation
├── scripts/              (if skill has scripts)
│   └── *.py / *.sh
├── examples/             (recommended) Usage examples
│   └── *.md
└── references/           (optional) API docs, templates
    └── *.md

---
name: <skill-name>
description: Clear description. Include trigger keywords and "Use when..." contexts.
---

cp -r template skills/<skill-name>

# Use the logo-creator skill
python3 skills/nanobanana/scripts/batch_generate.py \
  "Pixel art <subject> logo, 8-bit retro style, black pixels on white background, minimalist icon, clean crisp edges, no text, centered" \
  -n 20 --ratio 1:1 \
  -d .skill-archive/logo-creator/<date>-<skill-name> \
  -p logo

# Open preview to pick a logo
cp skills/logo-creator/templates/preview.html .skill-archive/logo-creator/<date>-<skill-name>/
open .skill-archive/logo-creator/<date>-<skill-name>/preview.html

# After picking (e.g., #5):
python3 skills/logo-creator/scripts/crop_logo.py <input>.png <output>-cropped.png
python3 skills/logo-creator/scripts/vectorize.py <output>-cropped.png skill-logos/<skill-name>.svg

{
  "name": "<skill-name>",
  "version": "1.0.0",
  "description": "Full description of the skill.",
  "logo": "https://raw.githubusercontent.com/ReScienceLab/opc-skills/main/skill-logos/<skill-name>.svg",
  "icon": "<simpleicons-name>",
  "color": "<hex-without-hash>",
  "triggers": ["trigger1", "trigger2"],
  "dependencies": {},
  "auth": {
    "required": false,
    "type": null,
    "keys": []
  },
  "install": {
    "user": {
      "claude": "npx skills add ReScienceLab/opc-skills --skill <skill-name> -a claude",
      "droid": "npx skills add ReScienceLab/opc-skills --skill <skill-name> -a droid",
      "opencode": "npx skills add ReScienceLab/opc-skills --skill <skill-name> -a opencode",
      "codex": "npx skills add ReScienceLab/opc-skills --skill <skill-name> -a codex"
    },
    "project": {
      "claude": "npx skills add ReScienceLab/opc-skills --skill <skill-name>",
      "droid": "npx skills add ReScienceLab/opc-skills --skill <skill-name>",
      "cursor": "npx skills add ReScienceLab/opc-skills --skill <skill-name>",
      "opencode": "npx skills add ReScienceLab/opc-skills --skill <skill-name>",
      "codex": "npx skills add ReScienceLab/opc-skills --skill <skill-name>"
    }
  },
  "commands": [
    "python3 scripts/example.py \"{input}\""
  ],
  "links": {
    "github": "https://github.com/ReScienceLab/opc-skills/tree/main/skills/<skill-name>"
  }
}

python3 -c "import json; json.load(open('skills.json')); print('valid')"

| <img src="./skill-logos/<skill-name>.svg" width="24"> | [<skill-name>](./skills/<skill-name>) | Short description |

{
  name: "<skill-name>",
  version: "1.0.0",
  description: "<description>",
  icon: "<icon>",
  color: "<color>",
  triggers: ["trigger1", "trigger2"],
  dependencies: [],
  auth: { required: false, note: "..." },
  install: {
    user: {
      claude: "npx skills add ReScienceLab/opc-skills --skill <skill-name> -a claude",
      droid: "npx skills add ReScienceLab/opc-skills --skill <skill-name> -a droid",
      opencode: "npx skills add ReScienceLab/opc-skills --skill <skill-name> -a opencode",
      codex: "npx skills add ReScienceLab/opc-skills --skill <skill-name> -a codex",
    },
    project: {
      claude: "npx skills add ReScienceLab/opc-skills --skill <skill-name>",
      droid: "npx skills add ReScienceLab/opc-skills --skill <skill-name>",
      cursor: "npx skills add ReScienceLab/opc-skills --skill <skill-name>",
      opencode: "npx skills add ReScienceLab/opc-skills --skill <skill-name>",
      codex: "npx skills add ReScienceLab/opc-skills --skill <skill-name>",
    },
  },
  commands: [],
  links: {
    github: "https://github.com/ReScienceLab/opc-skills/tree/main/skills/<skill-name>",
  },
},

| **<skill-name>** | 1.0.0 | - | - |

### <skill-name>
#### [1.0.0] - YYYY-MM-DD
- **Added**: Initial release - <description>

# 1. SKILL.md exists with valid frontmatter
head -5 skills/<skill-name>/SKILL.md

# 2. Logo SVG exists
ls -la skill-logos/<skill-name>.svg

# 3. skills.json is valid JSON with all fields
python3 -c "
import json
config = json.load(open('skills.json'))
skill = [s for s in config['skills'] if s['name'] == '<skill-name>'][0]
required = ['name','version','description','logo','icon','color','triggers','dependencies','auth','install','links']
missing = [f for f in required if f not in skill]
print('PASS' if not missing else f'MISSING: {missing}')
"

# 4. README.md lists the skill
grep '<skill-name>' README.md

# 5. worker.js has the skill
grep '<skill-name>' website/worker.js

# 6. CHANGELOG.md has the skill in matrix
grep '<skill-name>' CHANGELOG.md

# Branch
git checkout develop && git pull
git checkout -b feature/skill/<skill-name>

# Commit
git add skills/<skill-name>/ skill-logos/<skill-name>.svg skills.json README.md website/worker.js CHANGELOG.md
git commit -m "feat(skill): add <skill-name> skill"

# PR to develop
git push -u origin feature/skill/<skill-name>
gh pr create --base develop