context-engineering

An agent skill by addyosmani, from addyosmani/agent-skills. Tags: developer-tools, documents.

What it does

Optimizes agent context setup. Use when starting a new session, when agent output quality degrades, when switching between tasks, or when you need to configure rules files and context for a project.

Install

With the skills CLI, which installs into Claude Code, Codex, Cursor and other agents:

npx skills add addyosmani/agent-skills --skill context-engineering

Or copy the skill folder into Claude Code's skills directory by hand (~/.claude/skills for every project, or .claude/skills inside one):

git clone --depth 1 https://github.com/addyosmani/agent-skills
cp -r agent-skills/skills/context-engineering ~/.claude/skills/context-engineering

Safety box score

Not rated yet. A safety box score grades what a skill and its scripts can reach on the machine of whoever installs it, across eight categories from shell execution to secrets access. Anyone can request one from this page; it is saved for everyone. How the score works.

Source

Repository

addyosmani/agent-skills (all skills from this repository)

Path

skills/context-engineering/SKILL.md

Branch

main

Updated

2026-09-19

Related skills

• code-review-and-quality — Conducts multi-axis code review. Use before merging any change. Use when reviewing code written by yourself, another agent, or a human.
• constraint-driven-development — Establishes a project's quality bar as a written contract and stops agents quietly lowering it.
• deprecation-and-migration — Manages deprecation and migration. Use when removing old systems, APIs, or features. Use when migrating users from one implementation to another.
• documentation-and-adrs — Records decisions and documentation.
• doubt-driven-development — Subjects every non-trivial decision to a fresh-context adversarial review before it stands.
• git-workflow-and-versioning — Structures git workflow practices. Use when making any code change.