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…/agents-cli/google-agents-cli-adk-code
home/skills/google/agents-cli/google-agents-cli-adk-code
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google-agents-cli-adk-code

bygoogle· 116 skills

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AI Agents & MCP

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TL;DR

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).

How to install google-agents-cli-adk-code?

google/agents-cli/google-agents-cli-adk-code
$npx -y skills add google/agents-cli --skill google-agents-cli-adk-code

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Use this skill

Run `npx skills use "https://github.com/google/agents-cli" --skill "google/agents-cli/google-agents-cli-adk-code"` and follow the generated skill instructions now. Read its complete output, redirecting it to a temporary file first if necessary. Resolve relative paths from the supporting-files directory it provides.

Use the whole pack

Use the skills in "https://github.com/google/agents-cli" that are relevant to the current task. Run `npx skills add "https://github.com/google/agents-cli"` and select the relevant skills, then follow their instructions.

Files · 1

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SKILL.md
1# ADK Code Reference
2 
3> **Before using this skill**, activate `/google-agents-cli-workflow` first — it contains the required development phases and scaffolding steps.
4 
5## Prerequisites
6 
71. Run `agents-cli info` — if it shows project config, skip to the reference below
82. If no project exists: run `agents-cli scaffold create <name>`
93. If user has existing code: run `agents-cli scaffold enhance .`
10 
11Do NOT write agent code until a project is scaffolded.
12 
13> **Python only for now.** This reference currently covers the Python ADK SDK.
14> Support for other languages is coming soon.
15 
16## Quick Reference — Most Common Patterns
17 
18```python
19from google.adk.agents import Agent
20 
21def get_weather(city: str) -> dict:
22 """Get current weather for a city."""
23 return {"city": city, "temp": "22°C", "condition": "sunny"}
24 
25root_agent = Agent(
26 name="my_agent",
27 model="gemini-3.6-flash",
28 instruction="You are a helpful assistant that ...",
29 tools=[get_weather],
30)
31```
32 
33---
34 
35## References
36 
37The first two are cheatsheets for common patterns; for broad or deep knowledge, go to the source (docs index or installed package).
38 
39| Reference | When to read |
40|------|-------------|
41| `references/adk-python.md` | Core ADK API: `Agent`, tools, callbacks, plugins, state, artifacts, multi-agent systems, `SequentialAgent` / `ParallelAgent` / `LoopAgent`, custom `BaseAgent`, `ManagedAgent` (server-hosted first-party agents), A2A protocol, A2UI. Default for most agents. |
42| `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. |
43| `curl https://adk.dev/llms.txt` | Docs index (every page title + URL). Fetch it, then `WebFetch` the specific page for anything beyond the cheatsheets. |
44| Installed ADK package | Exact signatures and symbols — inspect the source (see "Inspecting ADK Source Code" in `references/adk-python.md`). |
45 
46## Related Skills
47 
48- `/google-agents-cli-workflow` — Development workflow, coding guidelines, and operational rules
49- `/google-agents-cli-scaffold` — Project creation and enhancement with `agents-cli scaffold create` / `scaffold enhance`
50- `/google-agents-cli-eval` — Evaluation methodology, dataset schema, and the eval-fix loop
51- `/google-agents-cli-deploy` — Deployment targets, CI/CD pipelines, and production workflows

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google/agents-cligoogle/agents-cli

$ npx -y skills add google/agents-cli --skill google-agents-cli-adk-code

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✓ google-agents-cli-adk-code ready

Repogoogle/agents-cli
TypeSkills
CategoryAI Agents & MCP
ForDeveloperArchitect
UpdatedJul 2026
License—
First seenJul 26, 2026

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