Agent skill · software engineering · aiskillstore
google-agents-cli-adk-code
This skill should be used when the user wants to "write agent code", "build an agent with ADK", "add a tool", "create a callback", "define an agent", "use state management", or needs ADK (Agent Development Kit) Python API patterns and code examples. Part of the Google ADK skills suite. It provides a quick reference for agent types, tool definitions, orchestration patterns, callbacks, and state management. Do NOT use for creating new projects (use google-agents-cli-scaffold) or deployment (use google-agents-cli-deploy).
Why this skill is useful
Provides specific Python ADK API patterns and code examples for agent development that the AI wouldn't reliably generate on its own.
What it needs
Requires agents-cli installed locally. About 2k tokens when loaded. Last updated 2026-08-07. 405 stars on the source repository.
What this skill does
ADK Code Reference Before using this skill, activate /google-agents-cli-workflow first — it contains the required development phases and scaffolding steps. Prerequisites 1. Run agents-cli info — if it shows project config, skip to the reference below 2. If no project exists: run agents-cli scaffold create <name> 3. If user has existing code: run agents-cli scaffold enhance . Do NOT write agent code until a project is scaffolded. Python only for now. This reference currently covers the Python ADK SDK. Support for other languages is coming soon. Quick Reference — Most Common Patterns --- References The first two are cheatsheets for common patterns; for broad or deep knowledge, go to the source (docs index or installed package). Reference When to read ------ ------------- references/adk-python.md Core ADK API: Agent, tools, callbacks, plugins, state, artifacts, multi-agent systems, SequentialAgent / ParallelAgent / LoopAgent, custom BaseAgent. Default for most agents. references/adk-workflows.md Graph-based Workflow API (ADK 2.0): nodes, edges, fan-out/fan-in, HITL, parallel processing. Use when you need explicit graph topology. curl https://adk.dev/llms.txt Docs index (every page title + URL). Fetch it, then WebFetch the specific page for anything beyond the cheatsheets. Installed ADK package Exact signatures and symbols — inspect the source (see "Inspecting ADK Source Code" in references/adk-python.md). Related Skills /google-agents-cli-workflow — Development workflow, coding guidelines, and operational rules /google-agents-cli-scaffold — Project creation and enhancement with agents-cli scaffold create / scaffold enhance /google-agents-cli-eval — Evaluation methodology, dataset schema, and the eval-fix loop /google-agents-cli-deploy — Deployment targets, CI/CD pipelines, and production workflows
How to use it
Reference it in AdaL, Claude Code, Cursor or any coding agent — nothing to install:
@skills aiskillstore/google-agents-cli-adk-code