Source: Anthropic
What was announced
Today, we’re donating Agent Skills, the open standard that gives AI agents specialized knowledge and workflows, to the Agentic AI Foundation (AAIF). More than 70 agent platforms, including ChatGPT, Cursor, GitHub Copilot, and VS Code, have integrated Agent Skills since we published the standard in December 2025.
A skill is a folder containing a SKILL.md file that teaches an agent a specific task or domain, along with any scripts or reference material it needs. We developed skills while working on Claude Code. It handled general knowledge work well, but often lacked the procedural knowledge that real business tasks need. Within weeks of our October 2025 launch, developers published thousands of skills on GitHub and wrote loaders for Codex, Cursor, and OpenCode. We then published Agent Skil