Five agent skill design patterns for Google ADK SkillToolset: tool wrapper, generator, reviewer, inversion, pipeline

5 Agent Skill Design Patterns Every ADK Developer Should Know

This post extends the 3-part ADK Skills series: Part 1: Progressive Disclosure with SkillToolset Part 2: File-Based, External Skills & SkillToolset Internals Part 3: Skills That Write Skills — Self-Extending ADK Agents ADK Core Skills — official skills for building ADK agents ADK skill design patterns are reusable structural templates for organizing SKILL.md files — the markdown-based instruction format that tells Google ADK agents how to use tools, generate content, or orchestrate multi-step workflows. In Parts 1-3 of this series, I covered the foundations — what agent skills are, how Google ADK’s SkillToolset implements progressive disclosure, and how to build self-extending agents with meta-skills. But one question kept coming up in my own projects: I know how to create a skill, but how should I structure the content inside it? ...

March 7, 2026 · 26 min · 5361 words · Lavi Nigam