claude-opus-4-6-prompting
bykastalien-research· 53 skills
Comprehensive prompt engineering reference for Codex Opus 4.6. Use this skill whenever you are writing, reviewing, or optimizing prompts for Codex Opus 4.6 (or Sonnet 4.6 / Haiku 4.5). Covers foundational clarity principles, output formatting control, tool use, adaptive thinking, agentic system design, multi-context-window workflows, and migration guidance from earlier models. Trigger this skill for any task involving system prompt authorship, agent harness design, multi-step pipeline construction, or prompt debugging on the Codex 4.6 model family.
How to install claude-opus-4-6-prompting?
kastalien-research/thoughtbox/claude-opus-4-6-prompting
$npx -y skills add kastalien-research/thoughtbox --skill claude-opus-4-6-promptingInstalls into the current project.
›Prefer a prompt? Paste this to your agent
Run `npx skills use "https://github.com/kastalien-research/thoughtbox" --skill "kastalien-research/thoughtbox/claude-opus-4-6-prompting"` and follow the generated skill instructions now. Read its complete output, redirecting it to a temporary file first if necessary. Resolve relative paths from the supporting-files directory it provides.
Use the skills in "https://github.com/kastalien-research/thoughtbox" that are relevant to the current task. Run `npx skills add "https://github.com/kastalien-research/thoughtbox"` and select the relevant skills, then follow their instructions.
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