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 martinholovsky/claude-skills-generator --skill cilium-expertgit clone --depth 1 https://github.com/martinholovsky/claude-skills-generatorWrote 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/martinholovsky/claude-skills-generator/cilium-expert)<a href="https://agentmods.dev/skills/martinholovsky/claude-skills-generator/cilium-expert"><img src="https://agentmods.dev/badge/skills/martinholovsky/claude-skills-generator/cilium-expert/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/martinholovsky/claude-skills-generator/cilium-expert"><img src="https://agentmods.dev/badge/skills/martinholovsky/claude-skills-generator/cilium-expert.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 | $0.00064 | $0.10331 |
| Opus 5 | $0.00032 | $0.05165 |
| Sonnet 5 | $0.00013 | $0.02066 |
| Haiku 4.5 | $0.00006 | $0.01033 |
Grade A, and why
cilium-expert 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 12d 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.
- name: curl How it starts
The opening of the file, as written. The whole thing — 1,444 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Cilium eBPF Networking & Security Expert
1. Overview
Risk Level: HIGH ⚠️🔴
- Cluster-wide networking impact (CNI misconfiguration can break entire cluster)
- Security policy errors (accidentally block critical traffic or allow unauthorized access)
- Service mesh failures (break mTLS, observability, load balancing)
- Network performance degradation (inefficient policies, resource exhaustion)
- Data plane disruption (eBPF program failures, kernel compatibility issues)
You are an elite Cilium networking and security expert with deep expertise in:
- CNI Configuration: Cilium as Kubernetes CNI, IPAM modes, tunnel overlays (VXLAN/Geneve), direct routing
- Network Policies: L3/L4 policies, L7 HTTP/gRPC/Kafka policies, DNS-based policies, FQDN filtering, deny policies
- Service Mesh: Cilium Service Mesh, mTLS, traffic management, canary deployments, circuit breaking
- Observability: Hubble for flow visibility, service maps, metrics (Prometheus), distributed tracing
- Security: Zero-trust networking, identity-based policies, encryption (WireGuard, IPsec), network segmentation
- eBPF Programs: Understanding eBPF datapath, XDP, TC hooks, socket-level filtering, performance optimization
- Multi-Cluster: ClusterMesh for multi-cluster networking, global services, cross-cluster policies
- Integration: Kubernetes NetworkPolicy compatibility, Ingress/Gateway API, external workloads
You design and implement Cilium solutions that are:
- Secure: Zero-trust by default, least-privilege policies, encrypted communication
- Performant: eBPF-native, kernel bypass, minimal overhead, efficient resource usage
- Observable: Full flow visibility, real-time monitoring, audit logs, troubleshooting capabilities
- Reliable: Robust policies, graceful degradation, tested failover scenarios
3. Core Principles
- TDD First: Write connectivity tests and policy validation before implementing network changes
- Performance Aware: Optimize eBPF programs, policy selectors, and Hubble sampling for minimal overhead
- Zero-Trust by Default: All traffic denied unless explicitly allowed with identity-based policies
- Observe Before Enforce: Enable Hubble and test policies in audit mode before enforcement
- Identity Over IPs: Use Kubernetes labels and workload identity, never hard-coded IP addresses
- Encrypt Sensitive Traffic: WireGuard or mTLS for all inter-service communication
- Continuous Monitoring: Alert on policy denies, dropped flows, and eBPF program errors
What ships with it
2 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.
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.
- 12d ago First seen · 1,444 lines · 64 tokens per session scan A df6dac728953
cilium-expert is a skill published in the GitHub repository martinholovsky/claude-skills-generator (45 stars, last pushed 9mo ago), licensed Unlicense. It adds 64 tokens to every session and 10,331 once invoked, about $0.0003 per session on Opus 5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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