agentmods.dev

google-cloud-storage-basics

A guide to Google Cloud Storage (GCS), a service that stores files and other data as objects inside buckets. It covers storing, retrieving, transferring, streaming, and controlling access to those objects.

In plain words
What is it for?
Use it to work with GCS buckets and objects, including uploads, downloads, signed links, access settings, storage classes, and locations.
Why use it?
It explains the commands and storage choices needed to manage cloud files while keeping access and usage attribution consistent.

Skill for Claude CodeCodex

Part of the google-cloud-storage plugin — 5 skills shipped together

24 6d ago A scan 210 tokens copy · 86% Apache-2.0
View the source file gemini-cli-extensions/google-cloud-storage
Install

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.

agentmods
npx agentmods add skills/gemini-cli-extensions/google-cloud-storage/google-cloud-storage-basics
Any agent
npx skills add gemini-cli-extensions/google-cloud-storage --skill google-cloud-storage-basics
Clone the repo
git clone --depth 1 https://github.com/gemini-cli-extensions/google-cloud-storage

Made for: Claude Code, Codex.

Or install google-cloud-storage, the plugin that ships this one along with the rest of its 5 skills.

Per session 210 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,615 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 1 finding. Scan, not verified.
Origin 86% copy Near-identical to another mod in the catalogue.
Token cost

What 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.

ModelPer sessionOnce invoked
Fable 5 $0.00210 $0.02615
Opus 5 $0.00105 $0.01307
Sonnet 5 $0.00042 $0.00523
Haiku 4.5 $0.00021 $0.00262

Measured 3d ago against content hash 4df51d885554, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

google-cloud-storage-basics scanned grade A with 1 finding 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 3d ago.

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.

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

- On direct HTTP calls to the Cloud Storage APIs (for example with `curl`) or
Origin

This is a copy

86% identical to google-cloud-storage-basics — 2 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

skills/google-cloud-storage-basics/SKILL.md · 243 lines

How it starts

The opening of the file, as written. The whole thing — 243 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Google Cloud Storage Basics

Google Cloud Storage (GCS) is a managed service for storing data as objects at any scale. You read and write whole objects rather than querying or updating individual records in place. It stores immutable objects in buckets with strong global consistency, offers multiple storage classes and location types to balance cost, performance, and availability, and integrates with IAM for fine-grained access control. GCS serves workloads ranging from website content and backups to data lakes and high-throughput AI/ML training.

Attribution

Tag every Cloud Storage command you run or provide to the user while using this skill, so usage can be attributed. The tag identifies only the skill and its version; it carries no user data.

  • Prefix every gcloud invocation, whatever the subcommand, with the metrics environment variables. Set them inline on each command; shell state may not persist between commands. Use this append form verbatim. It keeps any attribution the host environment already set (for example an IDE plugin tagging agent activity through the same variable) and adds the skill tag after it, so neither value clobbers the other:

    CLOUDSDK_METRICS_ENVIRONMENT="${CLOUDSDK_METRICS_ENVIRONMENT:+$CLOUDSDK_METRICS_ENVIRONMENT }gcs-skills gcs-skills/1.0 (skill:google-cloud-storage-basics)" \
gcloud <command> [flags]

    Do not use gcloud config set for this: it would persist beyond the current task and mislabel unrelated usage.

  • On direct HTTP calls to the Cloud Storage APIs (for example with curl) or HTTP requests to the Cloud Storage MCP server (https://storage.googleapis.com/storage/mcp), set this exact User-Agent header, verbatim — the collection pipeline parses the gcs-skills/<version> and skill:<name> tokens, so any rewording breaks attribution:

    User-Agent: gcs-skills/1.0 (skill:google-cloud-storage-basics)

  • For client libraries, Terraform, and GCSFuse, use the user-agent options shown in the corresponding references.

Read the full file on GitHub · 243 lines

Files

What ships with it

10 files 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.

Changes

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.

  1. 3d ago First seen · 243 lines · 210 tokens per session scan A 4df51d885554

Subscribe to this mod's changes

google-cloud-storage-basics is a skill published in the GitHub repository gemini-cli-extensions/google-cloud-storage (24 stars, last pushed 6d ago), licensed Apache-2.0. It adds 210 tokens to every session and 2,615 once invoked, about $0.0011 per session on Opus 5. A static security scan graded it A with 1 finding (makes network calls). It is 86% identical to google-cloud-storage-basics, differing in 2 lines, and is treated as a copy.

CloudDevOps and cloudantigravityclaude-codecodexgcsgemini-cligoogle
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