Turn goals and constraints into clear, model-aware prompts; improve existing prompts while preserving intent; and design practical evaluation cases to compare quality, reliability, and safety. Distinguish prompt-only behavior from capabilities that require tools or application code. Treat prompt results as empirical, model-dependent—not guaranteed.
Install
- 1Add it in ChatGPT
Open Plugins in the ChatGPT sidebar (web or desktop), search for “Prompt Engineer” and select +. You'll be asked to sign in to any connected service on first use. Then type @ in a chat to call it.
Skills 5
- prompt-design
Design clear, testable prompts from a user's task and constraints.
- prompt-evaluation
Build practical tests and rubrics for comparing prompt behavior.
- prompt-refinement
Diagnose and improve an existing prompt without changing its purpose.
- prompt-router
Route prompt requests into drafting, refinement, evaluation, or safety review.
- prompt-safety
Review prompt behavior for privacy, injection, deception, and misuse risks.
Things to ask
- “Help me design a prompt for this task and ask only for essential missing context.”
- “Improve this prompt while preserving my intent; explain the important changes.”
- “Create a small test set and rubric to evaluate these prompt versions.”
Disconnect or uninstall
- 1In ChatGPT
Disconnect an account in Settings → Apps or Plugins. To remove the plugin itself, open Prompt Engineer in the Plugin Directory and select Uninstall plugin. Uninstalling can disconnect every account connected through it, and plugins your workspace installs may not offer the option.
- 2In Codex
Run /plugins in the Codex CLI, select the plugin and uninstall it, or press Space to turn it off.
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