@standardagents/skill

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Overview

• defineModel
• definePrompt
• defineTool
• defineAgent
• defineHook
• defineThreadEndpoint
• dual_ai subagents

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Installation

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Recommended: CLI Install

npx @standardagents/cli skill

• Codex: installs a skill folder into $CODEX_HOME/skills or ~/.codex/skills
• Claude Code: installs a user subagent into ~/.claude/agents/agentbuilder.md

npx @standardagents/cli skill --force

npx @standardagents/cli skill --agent codex --dir ~/.codex/skills
npx @standardagents/cli skill --agent claude

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Package Install

npm install @standardagents/skill

pnpm add @standardagents/skill

yarn add @standardagents/skill

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Package Layout

node_modules/@standardagents/skill/
├── dist/
└── skills/
    └── agentbuilder/
        └── SKILL.md

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Helper API

import {
  copySkill,
  listSkills,
  readSkillFile,
  resolveSkillDir,
} from "@standardagents/skill"

console.log(listSkills())
console.log(resolveSkillDir("agentbuilder"))

const markdown = await readSkillFile("agentbuilder")
await copySkill("agentbuilder", ".codex/skills", { overwrite: true })

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Manual Editing

cp -R node_modules/@standardagents/skill/skills/agentbuilder .codex/skills/agentbuilder

• .codex/skills/agentbuilder/SKILL.md

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What The agentbuilder Skill Covers

• Choosing the right AgentBuilder primitive for a change
• Keeping prompt logic, tool logic, and orchestration concerns separate
• Knowing when subagents are warranted
• Mapping changes to the correct workspace files
• Applying the docs-and-tests checklist before landing behavior changes