AI Skills Hub

Skills Mechanism Guide

What Is an AI Skill, and Why It Matters

A skill is a reusable capability package for AI agents. It combines instruction, context, and execution patterns, so the agent can reliably perform a class of tasks.

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How Skills Work (Mechanism)

  • Task trigger: a user request matches a known skill domain (for example, SEO, API design, test generation).
  • Instruction loading: the agent loads the skill instructions, rules, and templates.
  • Context binding: project files, user constraints, and current environment are injected into execution.
  • Structured execution: the agent follows the skill workflow in a deterministic order.
  • Output validation: results are checked against quality rules before delivery.

What Skills Actually Do

  • Reduce repeated prompting and setup work.
  • Improve output consistency across similar tasks.
  • Encode best practices so teams can scale quality.
  • Lower onboarding cost for new contributors.
  • Enable faster iteration with reusable task modules.

Typical Skill Components

  • Role definition: what the skill is responsible for.
  • Execution checklist: ordered steps and decision gates.
  • Constraints: safety, style, or policy requirements.
  • Output format: expected structure for final results.
  • References: related data sources, tools, or templates.

How to Install Skills (Practical Steps)

  • Get a skill package that contains a `SKILL.md` file.
  • Place it in your local skills directory (for Codex, under your configured `$CODEX_HOME/skills/...`).
  • Keep the folder name stable, because it is often used as the skill id.
  • If the skill includes `scripts/`, `assets/`, or `references/`, keep relative paths unchanged.
  • Restart your client/session if the runtime caches skill discovery.

How to Use Skills in Real Work

  • Invoke directly: mention the skill name in prompt (for example, `$vercel-deploy`).
  • Auto-trigger: request a task that matches the skill domain (for example, “deploy this project to Vercel”).
  • Pass context: provide repo path, target platform, constraints, and expected output format.
  • Validate output: check links, logs, tests, and edge cases before production use.
  • Iterate: if output is close but not complete, ask for a second pass with explicit gaps.

Detailed Examples

Example 1: Deploy Website with a Skill

Prompt:

Use $vercel-deploy to deploy this repository and return the production URL.
Repository path: /Users/maqi/code/skills
Requirements: verify homepage works and provide final URL.

Expected result:

  • A successful deployment URL.
  • Validation output (status code, key route checks).
  • Any follow-up actions if environment variables are missing.

Example 2: Extend a Skill Set for a Team

Prompt:

Use $skill-creator to create a new "seo-audit" skill.
Include: checklist, output template, and risk guardrails.
Target: static websites and docs portals.

Expected result:

  • A new skill folder with `SKILL.md`.
  • Reusable workflow for repeated SEO checks.
  • Clear output schema for reports.

AI Skills Hub

Skills 原理说明

什么是 AI Skill,它解决什么问题

Skill 是给 AI 智能体复用的一组能力包,通常包含指令、上下文约束和执行流程, 让智能体在同类任务中更稳定地输出结果。

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Skills 的机制原理

  • 任务触发:当用户请求命中某个能力域(如 SEO、API 设计、测试生成)时触发。
  • 规则加载:智能体读取该 Skill 的规则、步骤和模板。
  • 上下文绑定:把项目文件、用户约束、运行环境信息绑定到执行过程。
  • 流程化执行:按预定义顺序完成分析、生成、检查等步骤。
  • 结果校验:按质量标准验证输出,再返回给用户。

Skills 的作用

  • 减少重复提示词编写和初始化成本。
  • 提升同类任务输出的一致性和可控性。
  • 沉淀最佳实践,便于团队规模化复用。
  • 降低新人上手门槛,缩短协作磨合周期。
  • 把复杂任务模块化,加快迭代速度。

一个 Skill 通常包含

  • 角色定义:这个 Skill 负责什么。
  • 执行清单:按顺序执行的步骤和判断条件。
  • 约束条件:安全、风格、规范等限制。
  • 输出格式:结果应采用的结构和字段。
  • 参考资源:可调用的数据源、工具或模板。

Skills 如何安装(实操步骤)

  • 获取包含 `SKILL.md` 的技能包。
  • 将其放入本地 skills 目录(Codex 常见为 `$CODEX_HOME/skills/...`)。
  • 保持目录名稳定,很多系统会把目录名作为 skill 标识。
  • 若包含 `scripts/`、`assets/`、`references/`,请保持相对路径不变。
  • 如运行时有缓存,重启会话后再验证技能是否可被发现。

Skills 如何使用(工作流方式)

  • 显式调用:在提示词里直接写 skill 名称(例如 `$vercel-deploy`)。
  • 隐式触发:描述与 skill 强相关任务(例如“把项目部署到 Vercel”)。
  • 补全上下文:提供仓库路径、目标平台、约束条件、输出格式。
  • 结果校验:检查链接、日志、测试结果、异常分支。
  • 二次迭代:若结果接近但不完整,明确指出缺口并要求二次执行。

详细示例

示例 1:使用 Skill 完成部署

提示词:

使用 $vercel-deploy 部署当前仓库,并返回生产环境 URL。
仓库路径:/Users/maqi/code/skills
要求:验证首页可访问,并给出最终链接。

期望产出:

  • 可访问的部署 URL。
  • 关键校验信息(状态码、核心页面检查结果)。
  • 若缺少环境变量,给出后续处理项。

示例 2:给团队新增一个可复用 Skill

提示词:

使用 $skill-creator 新建一个 "seo-audit" skill。
要求包含:检查清单、输出模板、风险边界。
目标场景:静态网站与文档站。

期望产出:

  • 新增 skill 目录和 `SKILL.md` 文件。
  • 可复用的 SEO 审核流程。
  • 结构化报告输出格式。