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 skills add BagelHole/DevOps-Security-Agent-Skills --skill gcp-networkinggit clone --depth 1 https://github.com/BagelHole/DevOps-Security-Agent-SkillsWrote 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.
[](https://agentmods.dev/skills/bagelhole/devops-security-agent-skills/gcp-networking)<a href="https://agentmods.dev/skills/bagelhole/devops-security-agent-skills/gcp-networking"><img src="https://agentmods.dev/badge/skills/bagelhole/devops-security-agent-skills/gcp-networking/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.
<a href="https://agentmods.dev/skills/bagelhole/devops-security-agent-skills/gcp-networking"><img src="https://agentmods.dev/badge/skills/bagelhole/devops-security-agent-skills/gcp-networking.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector pass
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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00034 | $0.02570 |
| Opus 5 | $0.00017 | $0.01285 |
| Sonnet 5 | $0.00007 | $0.00514 |
| Haiku 4.5 | $0.00003 | $0.00257 |
Grade A, and why
gcp-networking 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 7d 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.
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 — 278 lines — stays where its author put it; the contents beside it link to each section on GitHub.
GCP Networking
Design, implement, and secure network infrastructure on Google Cloud Platform.
When to Use
- Building VPC networks for new GCP projects or multi-project architectures
- Configuring firewall rules to control traffic between services
- Setting up Cloud NAT for outbound internet access from private instances
- Deploying load balancers for HTTP(S), TCP/UDP, or internal traffic
- Implementing Private Service Connect or Shared VPC
Prerequisites
- Google Cloud SDK (
gcloud) installed and authenticated - Compute Engine API enabled
- IAM role
roles/compute.networkAdminfor network management
gcloud services enable compute.googleapis.com servicenetworking.googleapis.com
VPC Network Creation
gcloud compute networks create prod-vpc \
--subnet-mode=custom --bgp-routing-mode=regional --mtu=1460
gcloud compute networks subnets create us-subnet \
--network=prod-vpc --region=us-central1 --range=10.0.0.0/20 \
--enable-private-ip-google-access --enable-flow-logs \
--logging-flow-sampling=0.5
gcloud compute networks subnets create eu-subnet \
--network=prod-vpc --region=europe-west1 --range=10.1.0.0/20 \
--enable-private-ip-google-access --enable-flow-logs
# Subnet with secondary ranges for GKE
gcloud compute networks subnets create gke-subnet \
--network=prod-vpc --region=us-central1 --range=10.2.0.0/20 \
--secondary-range=pods=10.4.0.0/14,services=10.8.0.0/20 \
--enable-private-ip-google-access
# Proxy-only subnet (required for regional L7 LBs)
gcloud compute networks subnets create proxy-only-subnet \
--network=prod-vpc --region=us-central1 --range=10.129.0.0/23 \
--purpose=REGIONAL_MANAGED_PROXY --role=ACTIVE
Firewall Rules
gcloud compute firewall-rules create allow-http-https \
--network=prod-vpc --allow=tcp:80,tcp:443 \
--source-ranges=0.0.0.0/0 --target-tags=http-server --priority=1000
gcloud compute firewall-rules create allow-internal \
--network=prod-vpc --allow=tcp,udp,icmp \
--source-ranges=10.0.0.0/8 --priority=1000
gcloud compute firewall-rules create allow-iap-ssh \
--network=prod-vpc --allow=tcp:22 \
--source-ranges=35.235.240.0/20 --priority=1000
gcloud compute firewall-rules create allow-health-checks \
--network=prod-vpc --allow=tcp:80,tcp:443,tcp:8080 \
--source-ranges=130.211.0.0/22,35.191.0.0/16 \
--target-tags=http-server --priority=900
# List firewall rules
gcloud compute firewall-rules list --filter="network=prod-vpc" \
--format="table(name,direction,priority,allowed[].map().firewall_rule().list():label=ALLOW)"
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.
- 7d ago First seen · 278 lines · 34 tokens per session scan A f531a290c81a
gcp-networking is a skill published in the GitHub repository BagelHole/DevOps-Security-Agent-Skills (1,071 stars, last pushed 3mo ago), licensed MIT. It adds 34 tokens to every session and 2,570 once invoked, about $0.0002 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 2026-09-03.
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