How to Build a High‑Quality Claude Skill for Prompt Optimization

Preparation: AI‑First Mindset

Users often write prompts that are ambiguous, incomplete, or lack professional structure because they know only a few prompt frameworks. Existing optimization tools either propagate user errors or output generic, non‑domain‑specific prompts.

The solution is a skill named prompt-optimizer that (1) actively confirms missing or ambiguous parts with the user and (2) selects the most appropriate professional prompt framework from a curated list of over 50 global frameworks before generating the final prompt.

Concept Shift

Adopt an “AI‑First” approach: decompose the task so it fits within the large model’s capability boundaries, describe the task clearly, and supply the model with accurate context (the selected framework files). The model then produces the optimized prompt after user confirmation.

When the number of frameworks grows to hundreds, use Claude’s progressive‑loading feature: first generate a concise summary of all available frameworks, let the model lock onto the relevant ones, and fetch detailed framework files only when needed.

Creation Methods

Two creation paths are described: (a) using an AI‑coding tool such as Qoder, and (b) invoking the official skill‑creator skill.

AI‑Coding Tool Creation

Clone Anthropic’s official skill repository to obtain example skills and documentation: git clone https://github.com/anthropics/skills Generate a detailed Wiki of the repository with Qoder, place the prepared materials into the skills directory, and issue a natural‑language prompt to Claude to generate the new skill automatically.

Example prompt (verbatim):

我希望你按照 Skill 规范，帮我把“提示词框架”这个文件夹改造成 “提示词优化专家”（需要改成英文）的 skill。当用户想要优化提示词时启用该功能。

流程： 用户直接发送需求或者原始提示词，AI 需要从   中选择最匹配的场景，然后匹配最适合的框架名称，读取框架名称对应的框架描述文件，然后判断用户的输入的需求或原始提示词是否存在歧义或缺失，和用户进行核对，核对清楚以后，按照匹配的最佳提示词框架产出最终提示词。

要求：请你按照 Skill 规范，生成对应的 Skill。确保文件夹名称，结构啥的都符合 Skill 规范，且功能的正确性

Claude generates a complete, high‑quality skill, which is published under an open‑source license at:

https://github.com/chujianyun/skills

Official skill‑creator

The official skill repository contains a self‑creating skill. By navigating to the prepared material directory and sending the same prompt, Claude Code automatically creates the desired skill without manual coding.

Installation Experience

Add the skill to Claude Code’s plugin marketplace and install it with the following commands:

/plugin marketplace add chujianyun/skills

/plugin install prompt-engineering-skills@chujianyun/skills

After installation, invoke the skill by describing the prompt‑optimization need. The skill confirms ambiguities, selects the appropriate framework, and returns the optimized prompt.

Key Technical Takeaways

Break the task into sub‑tasks that fit the model’s ability, provide clear instructions, and supply accurate context (framework files).

Use progressive loading to handle large numbers of frameworks: first a summary, then detailed files on demand.

Leverage AI‑coding tools (e.g., Qoder) to automate skill generation from natural‑language specifications.

The official skill‑creator can auto‑generate skills when given the same specification.

Installation is a two‑step plugin marketplace addition followed by a plugin install command.