Claude Skills 2.0: 7 Game-Changing Features That Transform Prompt Injection Into a Programmable Agent Framework
Claude Skills 2.0: 7 Game-Changing Features That Transform Prompt Injection Into a Programmable Agent Framework Claude Skills 2.0 is not an incremental update. It is a fundamental paradigm shift—from static markdown instructions injected into conversation context to a fully programmable agent execution platform with isolated sub-agents, runtime data injection, and software-grade testing. Here is what changed, why it matters, and how to start building with it today. What Are Claude Skills? A Quick Primer Claude Skills are modular capability packages for Claude Code , Anthropic's CLI-based AI coding assistant. Each Skill bundles instructions, metadata, scripts, and resources that Claude loads automatically when relevant to a task. Skills 1.0 , launched in October 2025, operated as a prompt injection system. A Skill meta-tool existed inside Claude's tool array, containing an <available_skills> list. When triggered, two messages were injected into the conversation—meta...