Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx agentmods add skills/google/agents-cli/google-agents-cli-scaffoldnpx skills add google/agents-cli --skill google-agents-cli-scaffoldgit clone --depth 1 https://github.com/google/agents-cliWhat it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5 | $0.00137 | $0.02595 |
| Opus 5 | $0.00068 | $0.01298 |
| Sonnet 5 | $0.00027 | $0.00519 |
| Haiku 4.5 | $0.00014 | $0.00260 |
Grade A, and why
google-agents-cli-scaffold scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured yesterday.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 248 lines — stays where its author put it; the contents beside it link to each section on GitHub.
ADK Project Scaffolding Guide
Requires:
agents-cli(uv tool install google-agents-cli) — install uv first if needed.
Use the agents-cli CLI to create new ADK agent projects or enhance existing ones with deployment, CI/CD, and infrastructure scaffolding.
Prerequisite: Clarify Requirements (MANDATORY for new projects)
Before scaffolding a new project, load /google-agents-cli-workflow and complete Phase 0 — clarify the user's requirements before running any scaffold create command. Ask what the agent should do, what tools/APIs it needs, and whether they want a prototype or full deployment.
Step 1: Choose Architecture
Mapping user choices to CLI flags:
| Choice | CLI flag |
|---|---|
| Retrieval/RAG, sandboxed execution, cross-session memory, OAuth consent, guardrails, scheduled runs | No flag — these come from clone-and-study recipes; see the topic index in /google-agents-cli-adk-code → references/samples.md |
| A2A protocol | built into every ADK agent — scaffold normally (--agent adk) |
| Prototype (no deployment) | --prototype |
| Deployment target | --deployment-target <agent_runtime|cloud_run|gke> |
| CI/CD runner | --cicd-runner <github_actions|google_cloud_build> |
| Session storage | --session-type <in_memory|cloud_sql|agent_platform_sessions> |
Product name mapping
Older names → CLI values (vertexai SDK package name unchanged):
- Agent Engine / Vertex AI Agent Engine →
--deployment-target agent_runtime - Agent Engine sessions / Agent Platform Sessions →
--session-type agent_platform_sessions - Vertex AI Search / Vertex AI Vector Search / RAG → clone-and-study recipe, not a flag
Removed flags.
--datastore, theagentic_ragtemplate, andagents-cli infra datastore/agents-cli data-ingestionno longer exist. If you reach for one, you want a recipe instead.
Step 2: Create or Enhance the Project
What ships with it
1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- yesterday First seen · 248 lines · 137 tokens per session scan A 996dbc6df215
google-agents-cli-scaffold is a skill published in the GitHub repository google/agents-cli (5,759 stars, last pushed 3d ago), licensed Apache-2.0. It adds 137 tokens to every session and 2,595 once invoked, about $0.0007 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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