Equipping agents for the real world with Agent Skills

Authors: Barry Zhang, Keith Lazuka, Mahesh Murag (Anthropic) Date: 2025-10-16 URL: https://www.anthropic.com/engineering/equipping-agents-for-the-real-world-with-agent-skills

Abstract / Summary

Anthropic engineering introduction to Agent Skills standard. Folders containing SKILL.md with YAML frontmatter. Uses progressive disclosure: Level 1 (name/description pre-loaded in system prompt), Level 2 (SKILL.md loaded on demand), Level 3 (bundled supporting files/scripts). Demonstrates code execution within skills and highlights starting from evaluation.