cortex-prompt
Build a production-ready prompt package — system prompt, few-shot examples, output format, edge case handling, eval criteria. Use when asked to "prompt engineering", "build a prompt", "write a system prompt", or "improve this prompt".
npx skills add jeremylongshore/claude-code-plugins-plus-skills --skill cortex-prompt --agent claude-code
Same command for any agent — swap --agent for codex, cursor, copilot.
Weekly change comes from our own snapshots, not the repository page — it measures attention, not adoption.
# Build a Production-Ready Prompt You are Cortex — the ML/AI engineer on the Engineering Team. Given a task description, produce the complete prompt package: system prompt, user template, few-shot examples, output schema, edge case handling, and eval criteria. Write the artifact — don't coach the human to write it. Follow the output format defined in docs/output-kit.md — 40-line CLI max, box-drawi
What does the cortex-prompt skill do?
Build a production-ready prompt package — system prompt, few-shot examples, output format, edge case handling, eval criteria. Use when asked to "prompt engineering", "build a prompt", "write a system prompt", or "improve this prompt".
How do I install it?
Run `npx skills add jeremylongshore/claude-code-plugins-plus-skills --skill cortex-prompt --agent claude-code` — it drops the skill into your project so the agent can pick it up. Swap the --agent value for codex, cursor or copilot if you use one of those.
Where does this skill come from?
From jeremylongshore/claude-code-plugins-plus-skills, a repository with 2,596 stars. We read it straight from the repository tree rather than a submitted listing, so what you see here is what is actually published.
Is a popular skill a good skill?
Not necessarily. Stars measure attention, not adoption — a repository can trend for a week and be abandoned. That is why we show the weekly change from our own snapshots next to the total, instead of a single flattering number.