Agent skill

writer

Iterative writing loop. Gemini 3 Pro writes, Claude Agent SDK reviews autonomously. Use for blog posts, docs, technical content needing quality iteration.

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Install this agent skill to your Project

npx add-skill https://github.com/onmax/claude-config/tree/main/skills/writer

SKILL.md

Writer Skill

Iterative writing loop that combines Gemini 3 Pro's writing capabilities with Claude's review.

Flow

  1. User provides topic/context
  2. Gemini 3 Pro writes draft
  3. Claude Agent SDK reviews autonomously
  4. If not approved, Gemini rewrites with feedback
  5. Loop until approved (max 15 iterations)
  6. DeepL improves grammar/style (if API key set)
  7. Claude merges DeepL suggestions (preserves code, markdown, technical terms)

Usage

bash
shelve run --project Personal -- npx tsx ~/.claude/skills/writer/scripts/write-loop.ts "Write a blog post about Vue 3 composition API"

With context file:

bash
shelve run --project Personal -- npx tsx ~/.claude/skills/writer/scripts/write-loop.ts "Write docs for this component" --context ./Component.vue

Environment Variables

Use shelve skill to manage env vars in project "Personal":

  • GOOGLE_AI_KEY_1 - Primary Google AI API key
  • GOOGLE_AI_KEY_2 - Secondary key (quota rotation)
  • GOOGLE_AI_KEY_3 - Tertiary key (quota rotation)
  • DEEPL_API_KEY - DeepL API key (for grammar step, optional)

Options

Templates

  • post - Technical blog post (default)
  • doc - Documentation
  • github-issue - GitHub issue
bash
shelve run --project Personal -- npx tsx ~/.claude/skills/writer/scripts/write-loop.ts --template doc "Vue composable docs"

Model

  • --model pro - Gemini 3 Pro (default, faster)
  • --model pro-think - Gemini 3 Pro with thinking mode (slower, better quality)
bash
shelve run --project Personal -- npx tsx ~/.claude/skills/writer/scripts/write-loop.ts --model pro-think "Complex technical post"

Resume

If interrupted, resume from last state:

bash
shelve run --project Personal -- npx tsx ~/.claude/skills/writer/scripts/write-loop.ts --resume

State saved to .writer-state.json after each iteration.

Grammar Options

  • --no-grammar - Skip DeepL grammar step
  • --style, -s - Writing style: academic|business|casual|simple
  • --tone, -o - Tone: confident|diplomatic|enthusiastic|friendly
  • --lang, -l - Target language (default: en-US)
  • --max-iterations, -m - Max iterations (default: 15)

Default styles per template:

  • post: business + friendly
  • doc: simple + confident
  • github-issue: business + diplomatic
bash
# Custom style/tone
shelve run --project Personal -- npx tsx ~/.claude/skills/writer/scripts/write-loop.ts --style casual --tone enthusiastic "Fun intro to TypeScript"

# Skip grammar step
shelve run --project Personal -- npx tsx ~/.claude/skills/writer/scripts/write-loop.ts --no-grammar "Quick draft"

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