gcp-cloud-functions

gcp-cloud-functions is a skill for Claude Code, Codex from aj-geddes/useful-ai-prompts. It costs 34 tokens per session (587 once invoked), scanned C, original, MIT.

A guide to deploying small programs as Google Cloud Functions, event-driven code that runs on Google Cloud when an HTTP request or another event occurs. It covers triggers, permissions, environment settings, and monitoring.

In plain words
What is it for?
Use it to build webhooks, HTTP APIs, message processors, storage or database triggers, scheduled tasks, and image or video processing functions.
Why use it?
It helps run event-handling code without maintaining a continuously running server. It also explains how functions respond to services such as Pub/Sub, storage, Firestore, or scheduled jobs.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit Use it to build webhooks, HTTP APIs, message processors, storage or database triggers, scheduled tasks, and image or video processing functions.

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Install with agentmods
npx agentmods add skills/aj-geddes/useful-ai-prompts/gcp-cloud-functions
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.

Any agent
npx skills add aj-geddes/useful-ai-prompts --skill gcp-cloud-functions
Clone the repo
git clone --depth 1 https://github.com/aj-geddes/useful-ai-prompts

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for gcp-cloud-functions

README.md
[![agentmods](https://agentmods.dev/badge/skills/aj-geddes/useful-ai-prompts/gcp-cloud-functions/github.svg)](https://agentmods.dev/skills/aj-geddes/useful-ai-prompts/gcp-cloud-functions)
Your own site
<a href="https://agentmods.dev/skills/aj-geddes/useful-ai-prompts/gcp-cloud-functions"><img src="https://agentmods.dev/badge/skills/aj-geddes/useful-ai-prompts/gcp-cloud-functions/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for gcp-cloud-functions

Your own site · 80×15
<a href="https://agentmods.dev/skills/aj-geddes/useful-ai-prompts/gcp-cloud-functions"><img src="https://agentmods.dev/badge/skills/aj-geddes/useful-ai-prompts/gcp-cloud-functions.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 34 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 587 The whole file, excluding the scripts and references it only reads on demand.
Security scan C 2 findings. A grade says what 26 rules found in the file — not that it is safe. Third-party audits
  • Socket pass 18 Mar 2026
  • Snyk warn 5 Mar 2026
How audits are shown
Origin original No closer match found 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 5.1 $0.00034 $0.00587
Opus 5 $0.00017 $0.00293
Sonnet 5 $0.00007 $0.00117
Haiku 4.5 $0.00003 $0.00059

Measured 9d ago against content hash aec6f694a4a7, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade C, and why

gcp-cloud-functions scanned grade C with 2 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 9d ago.

The scan reads SKILL.md. This mod also ships 1 executable file (scripts/validate-config.sh), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

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.

Downloads and executes remote codehighSupply chain

curl | sh runs whatever the server returns today, which is not necessarily what it returned when this was reviewed.

curl https://sdk.cloud.google.com | bash

Makes network callslowCapability

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

curl https://sdk.cloud.google.com | bash
skills/gcp-cloud-functions/SKILL.md · 97 lines

How it starts

The opening of the file, as written. The whole thing — 97 lines — stays where its author put it; the contents beside it link to each section on GitHub.

GCP Cloud Functions

Table of Contents

Overview

Google Cloud Functions enables event-driven serverless computing on Google Cloud Platform. Build functions with automatic scaling, integrated security, and seamless integration with Google Cloud services for rapid development.

When to Use

  • HTTP APIs and webhooks
  • Pub/Sub message processing
  • Storage bucket events
  • Firestore database triggers
  • Cloud Scheduler jobs
  • Real-time data processing
  • Image and video processing
  • Data pipeline orchestration

Quick Start

Minimal working example:

# Install Google Cloud SDK
curl https://sdk.cloud.google.com | bash
exec -l $SHELL

# Initialize and authenticate
gcloud init
gcloud auth application-default login

# Set project
gcloud config set project MY_PROJECT_ID

# Create service account
gcloud iam service-accounts create cloud-function-sa \
  --display-name "Cloud Function Service Account"

# Grant permissions
gcloud projects add-iam-policy-binding MY_PROJECT_ID \
  --member="serviceAccount:cloud-function-sa@MY_PROJECT_ID.iam.gserviceaccount.com" \
  --role="roles/cloudfunctions.invoker"

# Deploy HTTP function
gcloud functions deploy my-http-function \
  --gen2 \
  --runtime nodejs18 \
  --region us-central1 \
// ... (see reference guides for full implementation)

Reference Guides

Detailed implementations in the references/ directory:

Guide Contents
Cloud Function Creation with gcloud CLI Cloud Function Creation with gcloud CLI
Cloud Functions Implementation (Node.js) Cloud Functions Implementation (Node.js)
Terraform Cloud Functions Configuration Terraform Cloud Functions Configuration

Read the full file on GitHub · 97 lines

Files

What ships with it

5 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. 9d ago First seen · 97 lines · 34 tokens per session scan C aec6f694a4a7

Subscribe to this mod's changes

gcp-cloud-functions is a skill published in the GitHub repository aj-geddes/useful-ai-prompts (338 stars, last pushed 6mo ago), licensed MIT. It adds 34 tokens to every session and 587 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it C with 2 findings (downloads and executes remote code, makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-03.

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