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Shiplight blog cover, light gradient, indigo accents, diagram of the Claude Code agent core surrounded by five extension layers labeled skills, hooks, subagents, MCP servers, and plugins
GuidesEngineering

What Is Claude Code? The Terminal Agent and Its Extension Model

Shiplight blog cover: an event timeline of a Claude Code session with hook checkpoints firing at PreToolUse, PostToolUse and Stop, one gate shown blocking in red and one passing in green
GuidesEngineering

Claude Code Hooks: Deterministic Rules for an Agentic Workflow

Shiplight blog cover, light gradient, indigo accents, diagram of a plugin package bundling skill, agent, hook, and MCP server cards into a single installable box
GuidesEngineering

Claude Code Plugins: The Bundle Layer Explained

Shiplight blog cover, light gradient, indigo accents, diagram of a main Claude Code agent delegating tasks to three subagent context windows defined by markdown files
GuidesEngineering

Claude Code Subagents: How to Define Them and When to Delegate

Shiplight blog cover, light gradient, indigo accents, split diagram of a terminal window and an IDE window each running a coding agent, connected to a shared browser verification layer
GuidesEngineering

Claude Code vs Antigravity: Terminal Agent or Agent-First IDE

Shiplight blog cover: a SKILL.md file being assembled from frontmatter and instruction blocks into a folder, with an arrow showing the agent loading it on demand
GuidesEngineering

How to Create a Claude Code Skill, Step by Step

See testing that keeps up with your AI coding agents.