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/ethanolivertroy/my-agent-stuff/mesh-securitynpx skills add ethanolivertroy/my-agent-stuff --skill mesh-securitygit clone --depth 1 https://github.com/ethanolivertroy/my-agent-stuffWrote 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/ethanolivertroy/my-agent-stuff/mesh-security)<a href="https://agentmods.dev/skills/ethanolivertroy/my-agent-stuff/mesh-security"><img src="https://agentmods.dev/badge/skills/ethanolivertroy/my-agent-stuff/mesh-security.svg" alt="Measured on agentmods" 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 | $0.00095 | $0.01695 |
| Opus 5 | $0.00048 | $0.00847 |
| Sonnet 5 | $0.00019 | $0.00339 |
| Haiku 4.5 | $0.00010 | $0.00169 |
Grade A, and why
mesh-security 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 6d 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.
Copies of this mod
1 near-identical copy found in the catalogue:
- mesh-security — 100% identical, 12 lines differ
How it starts
The opening of the file, as written. The whole thing — 198 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Service Mesh Security Analyzer
Comprehensive security analysis for Istio, Consul, and Linkerd service mesh configurations with NIST 800-53 Rev 5 control mappings.
Quick Start
Analyze a Configuration File
# Run the analyzer wrapper directly
node ~/.codex/skills/mesh-security/lib/analyzer-wrapper.js <config-file>
# Examples
node ~/.codex/skills/mesh-security/lib/analyzer-wrapper.js ./istio-meshconfig.yaml
node ~/.codex/skills/mesh-security/lib/analyzer-wrapper.js ./consul-config.json
node ~/.codex/skills/mesh-security/lib/analyzer-wrapper.js ./linkerd-config.yaml --json
Sample Configurations
Test configs are available in the samples/ directory:
- Istio:
samples/sample-meshconfig.yaml - Consul:
samples/sample-consul-config.json - Linkerd:
samples/sample-linkerd-config.yaml
Supported Mesh Types
Istio
Auto-detection: Files with kind: MeshConfig and apiVersion containing istio.io
Security Checks:
| Category | What It Checks |
|---|---|
| mTLS | Enabled status, STRICT mode enforcement |
| Certificates | CA provider, validity duration (optimal 90 days) |
| Peer Authentication | Default peer auth, STRICT mode |
| Proxy Config | Privileged mode, image versioning, holdApplicationUntilProxyStarts |
| Secret Discovery | SDS enabled for certificate management |
| Trust Domain | Explicitly configured, not using default |
| Authorization | Default deny policies |
| Telemetry | Enabled collection, access logging |
| RBAC | Role-based access control enforcement |
| Traffic Policy | Outbound traffic restricted to REGISTRY_ONLY |
Consul
Auto-detection: Files with mesh_type: "consul" or containing connect, tls, and acl fields
Security Checks:
| Category | What It Checks |
|---|---|
| Service Mesh | Connect enabled |
| Proxy Security | No privileged mode |
| TLS Security | verify_incoming, verify_outgoing, hostname verification |
| Access Control | ACL enabled, default deny policy, agent tokens |
| Telemetry | Service metrics enabled |
| Auto-Encryption | TLS auto-encrypt feature |
| Gossip Encryption | Key configured, proper length, verification |
| FedRAMP Compliance | TLS 1.2+, FIPS ciphers, strong encryption |
What ships with it
14 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.
- lib/analyzer-wrapper.js 7.0 KB runs code
- lib/analyzers.js 57 KB runs code
- lib/remediation-engine.js 12 KB runs code
- lib/report-generator.js 13 KB runs code
- mesh-compliance-reporter.md 5.7 KB
- mesh-remediation.md 4.8 KB
- package-lock.json 1.1 KB
- package.json 752 B
- references/mesh-best-practices.md 3.6 KB
- references/nist-controls.md 4.0 KB
- samples/sample-consul-config.json 1.8 KB
- samples/sample-consul-config.yaml 1.3 KB
- samples/sample-linkerd-config.yaml 2.7 KB
- samples/sample-meshconfig.yaml 1.7 KB
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.
- 6d ago First seen · 198 lines · 95 tokens per session scan A 663c8edab40c
mesh-security is a skill published in the GitHub repository ethanolivertroy/my-agent-stuff (11 stars, last pushed 1mo ago), licensed MIT. It adds 95 tokens to every session and 1,695 once invoked, about $0.0005 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 2026-08-30.
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