Agent Skills
Extend agents with specialized capabilities.
An open, portable format for packaging agent capabilities as folders of instructions, scripts, and resources, centered on a SKILL.md file, so compatible coding agents can discover and load reusable workflows.

Recent stories
Independent builders published reusable skills infrastructure across coding agents, including Project Think preview support, handoff docs, and an htmx v4 skill pack. That matters because skills are starting to work like portable workflow units instead of one-off prompt snippets inside a single tool.
New guides, plugins, and reusable libraries show the Agent Skills format moving beyond Claude Code into multiple coding-agent clients and runtimes. That matters because workflows are becoming portable artifacts instead of one-off prompts tied to a single harness.