AI Plugin Indexunderstand-onboard vs prompt-optimizer
understand-onboard and prompt-optimizer are both ai and llm tools skills. prompt-optimizer scores higher (93 vs 91 out of 100). understand-onboard has more GitHub stars (88k), and prompt-optimizer was updated more recently (today). The table compares them side by side.
| understand-onboard | prompt-optimizer | |
|---|---|---|
| Score | 91 / 100 | 93 / 100 |
| What it does | Use when you need to generate an onboarding guide for new team members joining a project | Creates, optimizes, and iteratively refines agent prompts, system prompts, developer prompts, and reusable prompt templates. Use when asked to improve a prompt, optimize a system prompt, rewrite an agent prompt, tune prompt wording, make a prompt more reliable, port prompts between OpenAI, Claude, or Gemini, or build prompt evals. |
| Publisher | Community: Egonex-AI | Community: getsentry |
| Grades | Maintenance A, Licence A, Quality A | Maintenance A, Licence A, Quality A |
| npm downloads a week | Not on npm | Not on npm |
| Runs | Skill | Skill |
| Works with | Claude Code, Claude apps | Claude Code, Claude apps |
| GitHub stars | 87,998 | 1,083 |
| Last commit | 22 Oct 2026 | 23 Oct 2026 |
| Licence | MIT | Apache-2.0 |
| Listed since | 24 Oct 2026 | 23 Oct 2026 |
| Install understand-onboard | Install prompt-optimizer |
Questions
Is understand-onboard or prompt-optimizer more popular?
understand-onboard has more GitHub stars: 87,998.
Can I use understand-onboard and prompt-optimizer together?
Yes. AI assistants can load several skills at once. Install both and the assistant picks the right one for each task.