prompt-optimizer — security grade SAFE, quality 69/100

Security audit verdict: SAFE · quality 69/100

No red flags found in any of the 11 categories — no credential harvesting, no data exfiltration, no curl-pipe-shell installer. Scanned against the SlowMist agent-security taxonomy, refreshed every 8 hours. Full audit →

by linshenkx · Agent Tool · ★ 35.6k

Last updated: · Indexed by AgentSkillsHub · Auto-synced every 8h

🔒 Is prompt-optimizer safe to install? View the security audit →

About prompt-optimizer

Prompt Optimizer 🚀 English | 中文 Live Demo Chrome Extension [Developme

ai-promptsai-toolsllmpromptprompt-engineeringprompt-optimizationprompt-optimizerprompt-testingprompt-toolkitprompt-tuning

Quick Facts

Stars35,592
Forks4,144
LanguageTypeScript
CategoryAgent Tool
Quality Score69.0305379886417/100
Open Issues10
Last Updated2026-09-24
Created2025-02-12
Platformsnode
Est. Tokens~19k

Compatible Skills

These tools work well together with prompt-optimizer for enhanced workflows:

  • promptfoo — semantic(0.17)+complementary+rare_topics+same_lang+similar_pop+shared_platform (61%)
  • superagent — semantic(0.23)+complementary+same_lang+similar_pop+shared_platform (58%)
  • code2prompt — semantic(0.53)+complementary+rare_topics+similar_pop (57%)
  • flompt — semantic(0.47)+complementary+rare_topics+same_lang+shared_platform (56%)
  • prompt-optimizer-studio — semantic(0.47)+complementary+rare_topics+same_lang+shared_platform (56%)

prompt-optimizer alternative? Top 6 similar tools

Looking for a prompt-optimizer alternative? If you're comparing prompt-optimizer with other agent tool tools, these 6 projects are the closest alternatives on Agent Skills Hub — ranked by topic overlap, star count, and community traction.

  • system_prompts_leaks by asgeirtj · ⭐ 68.8k

    Documented system prompts from Anthropic - Claude Fable 5.1, Opus 5.5, Claude Design, Claude Code. OpenAI - Ch

  • ChatGPT-Shortcut by rockbenben · ⭐ 8.8k

    Stop writing prompts from scratch — a searchable prompt library for ChatGPT, Claude, Gemini and Cursor · Русск

  • code2prompt by mufeedvh · ⭐ 7.7k

    A CLI tool to convert your codebase into a single LLM prompt with source tree, prompt templating, and token co

  • promptfoo by promptfoo · ⭐ 25.7k

    Test your prompts, agents, and RAGs. Red teaming/pentesting/vulnerability scanning for AI. Compare performance

  • humanizer by blader · ⭐ 52.7k

    Agent skill that removes signs of AI-generated writing from text

  • headroom by chopratejas · ⭐ 44.4k

    Compress tool outputs, logs, files, and RAG chunks before they reach the LLM. 60-95% fewer tokens, same answer

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Frequently Asked Questions

What is prompt-optimizer?

prompt-optimizer is An AI prompt optimizer for writing better prompts and getting better AI results.. It is categorized as a Agent Tool with 35.6k GitHub stars.

What programming language is prompt-optimizer written in?

prompt-optimizer is primarily written in TypeScript. It covers topics such as ai-prompts, ai-tools, llm.

How do I install or use prompt-optimizer?

You can find installation instructions and usage details in the prompt-optimizer GitHub repository at github.com/linshenkx/prompt-optimizer. The project has 35.6k stars and 4144 forks, indicating an active community.

What are the best alternatives to prompt-optimizer?

The top alternatives to prompt-optimizer on Agent Skills Hub include system_prompts_leaks, ChatGPT-Shortcut, code2prompt. Each offers a different approach to the same problem space — compare them side-by-side by stars, quality score, and community activity.

How this security grade is produced

Grades come from a rule-based scan built on the SlowMist agent-security taxonomy, covering 11 red-flag categories including credential harvesting, data exfiltration, and curl | sh installers. It is a first-layer scan, not a manual audit — we say so rather than overstate it.

The scale of the problem is documented independently: Liu et al. (2026), in a study of 31,132 agent skills, report that 26.1% contain security vulnerabilities. Our own full-catalog census is published as a citable open dataset.

Sources & who's responsible:

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