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 Aidas-dev/k8s-agent-skills --skill cilium-networkgit clone --depth 1 https://github.com/Aidas-dev/k8s-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/aidas-dev/k8s-agent-skills/cilium-network)<a href="https://agentmods.dev/skills/aidas-dev/k8s-agent-skills/cilium-network"><img src="https://agentmods.dev/badge/skills/aidas-dev/k8s-agent-skills/cilium-network/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/aidas-dev/k8s-agent-skills/cilium-network"><img src="https://agentmods.dev/badge/skills/aidas-dev/k8s-agent-skills/cilium-network.svg" alt="Reviewed on agentmods" width="80" height="20"></a>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 | $0.00084 | $0.02235 |
| Opus 5 | $0.00042 | $0.01118 |
| Sonnet 5 | $0.00017 | $0.00447 |
| Haiku 4.5 | $0.00008 | $0.00224 |
Grade A, and why
cilium-network 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 8d 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 — 244 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Cilium Network
Cilium v1.19.4 — eBPF-based CNI, networking, and security for Kubernetes.
Overview
Cilium provides pod networking via eBPF, replacing kube-proxy with socket-level load balancing. Security policies enforce L3-L7 rules based on identity (not IP), surviving pod churn. Hubble delivers observability. LB IPAM + L2/BGP announcements expose Services externally without a cloud LB.
Cilium CRDs (Network Domain)
| CRD | API | Purpose |
|---|---|---|
CiliumNetworkPolicy |
cilium.io/v2 |
Namespaced L3-L7 network policy (identity, HTTP/gRPC/Kafka, DNS) |
CiliumClusterwideNetworkPolicy |
cilium.io/v2 |
Cluster-scoped L3-L7 network policy |
CiliumEndpoint |
cilium.io/v2 |
Per-pod status: identity, labels, policy enforcement state |
CiliumEndpointSlice |
cilium.io/v2 |
Groups CiliumEndpoints for large-scale clusters |
CiliumIdentity |
cilium.io/v2 |
Security identity (labels → numeric ID) |
CiliumNode |
cilium.io/v2 |
Node-level Cilium config (allocated CIDRs, health endpoints) |
CiliumCIDRGroup |
cilium.io/v2alpha1 |
Named group of CIDRs for policy fromCIDRSet/toCIDRSet |
CiliumLoadBalancerIPPool |
cilium.io/v2 |
LB IPAM pool — allocate LoadBalancer IPs |
CiliumL2AnnouncementPolicy |
cilium.io/v2alpha1 |
L2 ARP/NDP announcement of LoadBalancer IPs (beta) |
CiliumLocalRedirectPolicy |
cilium.io/v2 |
Node-local traffic redirect (DNS cache, node-local proxy) |
CiliumBGPClusterConfig |
cilium.io/v2alpha1 |
BGP cluster-level config (ASN, listen port, node selector) |
CiliumBGPPeerConfig |
cilium.io/v2alpha1 |
BGP peer — transport, auth, timers, AFI/SAFI |
CiliumBGPAdvertisement |
cilium.io/v2alpha1 |
Advertise pod CIDRs / service LB IPs via BGP |
CiliumBGPNodeConfig |
cilium.io/v2alpha1 |
Per-node BGP status (read-only) |
CiliumEnvoyConfig |
cilium.io/v2 |
Envoy proxy config (L7 policy enforcement) |
Key Concepts
Routing Modes
- Overlay (VXLAN/Geneve): Encapsulation, works on any infra. Default.
- Native routing: Uses host routing table. Needs KubeSpan/IPsec/WireGuard for cross-node encryption. Faster.
- kube-proxy replacement:
kubeProxyReplacement=true— eBPF replaces iptables for services. Required for many features.
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.
- 8d ago First seen · 244 lines · 84 tokens per session scan A eac78b0d7db3
cilium-network is a skill published in the GitHub repository Aidas-dev/k8s-agent-skills (2 stars, last pushed 25d ago), licensed MIT. It adds 84 tokens to every session and 2,235 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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