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/jpantsjoha/googlecloud-plugin/networkingnpx skills add jpantsjoha/googlecloud-plugin --skill networkinggit clone --depth 1 https://github.com/jpantsjoha/googlecloud-pluginWhat 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 | $0.00082 | $0.00760 |
| Opus 5 | $0.00041 | $0.00380 |
| Sonnet 5 | $0.00016 | $0.00152 |
| Haiku 4.5 | $0.00008 | $0.00076 |
Grade A, and why
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 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 — 83 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Networking
Design and manage GCP VPC networks, connectivity, and traffic management. Deny-by-default; open only what is necessary.
Core Patterns
Create a VPC with a subnet
gcloud compute networks create VPC_NAME \
--subnet-mode=custom \
--project=PROJECT_ID
gcloud compute networks subnets create SUBNET_NAME \
--network=VPC_NAME \
--region=REGION \
--range=10.0.0.0/24 \
--enable-private-ip-google-access \
--project=PROJECT_ID
Deny-by-default firewall (then open minimally)
# Deny all ingress (GCP default is deny-all for custom VPCs)
# Add targeted allow rules only:
gcloud compute firewall-rules create allow-internal \
--network=VPC_NAME \
--direction=INGRESS \
--action=ALLOW \
--rules=tcp:0-65535,udp:0-65535,icmp \
--source-ranges=10.0.0.0/8 \
--project=PROJECT_ID
Enable Private Google Access
gcloud compute networks subnets update SUBNET_NAME \
--region=REGION \
--enable-private-ip-google-access \
--project=PROJECT_ID
Cloud NAT (outbound internet without public IPs)
gcloud compute routers create ROUTER_NAME \
--network=VPC_NAME \
--region=REGION
gcloud compute routers nats create NAT_NAME \
--router=ROUTER_NAME \
--region=REGION \
--auto-allocate-nat-external-ips \
--nat-all-subnet-ip-ranges
Safety Rules
- Never use
0.0.0.0/0as a source range for SSH or RDP — use IAP tunnels instead - Enable Private Google Access on all subnets to avoid routing through internet
- Cost warning: external load balancers and Cloud Armor bill per rule and per GB
References
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 · 83 lines · 82 tokens per session scan A 951ab10ba1b6
networking is a skill published in the GitHub repository jpantsjoha/googlecloud-plugin (4 stars, last pushed 25d ago), licensed MIT. It adds 82 tokens to every session and 760 once invoked, about $0.0004 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 2026-08-31.
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