# Context Engineering (agent skill)

> Context Engineering is an agent skill (a SKILL.md file) from NeoLabHQ/context-engineering-kit. Understand the components, mechanics, and constraints of context in agent systems. It works with Claude Code, Codex, Cursor, Gemini CLI and OpenCode and has 1,747 GitHub stars across a repository of 2 listed skills.

Understand the components, mechanics, and constraints of context in agent systems. Use when writing, editing, or optimizing commands, skills, or sub-agents prompts. Context is the complete state available to a language model at inference time. It includes everything the model can attend to when generating responses: system instructions, tool definitions, retrieved documents, message history, and tool outputs. Understanding context fundamentals is prerequisite to effective context engineering.

## Key facts

| Fact | Value |
|---|---|
| Repository | https://github.com/NeoLabHQ/context-engineering-kit |
| Skill path | skills/context-engineering/SKILL.md |
| Skill name | context-engineering |
| GitHub stars | 1,747 |
| Installs on skills.sh | not listed |
| License | GPL-3.0 |
| Skills in repo | 2 |
| Plugin marketplace | context-engineering-kit |
| Official | no |
| Works with | Claude Code, Codex, Cursor, Gemini CLI, OpenCode |
| Category | Docs & writing |
| Last commit | Aug 26, 2026 |

## When it triggers

- Use when writing, editing, or optimizing commands, skills, or sub-agents prompts.

## Add this skill

### Claude Code

```sh
/plugin marketplace add NeoLabHQ/context-engineering-kit
/plugin   # browse context-engineering-kit and install the plugin that contains context-engineering
```

In the Claude apps, zip the skill folder and upload it under Customize > Skills > + > Upload a skill (code execution must be on).

### ChatGPT / Codex

```sh
git clone --depth 1 https://github.com/NeoLabHQ/context-engineering-kit.git
cp -r context-engineering-kit/skills/context-engineering .agents/skills/context-engineering   # repo; ~/.agents/skills for all projects
```

### Cursor

```sh
git clone --depth 1 https://github.com/NeoLabHQ/context-engineering-kit.git
cp -r context-engineering-kit/skills/context-engineering .cursor/skills/context-engineering   # project; ~/.cursor/skills for all projects
```

Sources (checked 2026-10-07): https://code.claude.com/docs/en/skills, https://support.claude.com/en/articles/12512180-using-skills-in-claude, https://learn.chatgpt.com/docs/build-skills, https://cursor.com/docs/context/skills

---

Canonical page: https://appsgit.com/skills/neolabhq-context-engineering
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