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 external-secretsgit 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/external-secrets)<a href="https://agentmods.dev/skills/aidas-dev/k8s-agent-skills/external-secrets"><img src="https://agentmods.dev/badge/skills/aidas-dev/k8s-agent-skills/external-secrets.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 | $0.00056 | $0.02395 |
| Opus 5 | $0.00028 | $0.01197 |
| Sonnet 5 | $0.00011 | $0.00479 |
| Haiku 4.5 | $0.00006 | $0.00239 |
Grade A, and why
external-secrets 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 — 281 lines — stays where its author put it; the contents beside it link to each section on GitHub.
External Secrets Operator
Overview
External Secrets Operator (ESO) synchronizes Kubernetes Secrets from external secret management systems. It watches custom resources and reconciles K8s Secrets from the provider's values.
CRDs: SecretStore, ClusterSecretStore, ExternalSecret, ClusterExternalSecret, PushSecret, ClusterPushSecret.
Latest: chart 2.6.0, app v2.6.0.
Architecture
K8s API (ExternalSecret CR)
→ ESO controller watches for changes
→ Queries external provider (Vault, AWS, GCP, Azure...)
→ Creates/updates K8s Secret
→ Template engine processes data (v2)
Three components:
| Component | Role |
|---|---|
| Core Controller | Watches ExternalSecret/SecretStore CRs, reconciles Secrets, calls provider APIs |
| Cert Controller | Manages webhook certificate lifecycle (can use cert-manager) |
| Webhook | Validating/mutating webhook for CRD validation |
CRDs
SecretStore / ClusterSecretStore
Defines how ESO authenticates to a provider. SecretStore is namespaced, ClusterSecretStore is cluster-scoped.
apiVersion: external-secrets.io/v1beta1
kind: ClusterSecretStore
metadata:
name: vault-backend
spec:
provider:
vault:
server: "http://vault.vault:8200"
path: "secret"
version: v2
auth:
kubernetes:
mountPath: "kubernetes"
role: "eso-reader"
serviceAccountRef:
name: "external-secrets"
Key fields:
| Field | Description |
|---|---|
spec.provider |
Provider type (vault, aws, gcp, azure, etc.) |
spec.retrySettings |
Max retries + retry interval on provider failure |
spec.conditions |
Service reference for namespace validation |
Provider auth methods (Vault):
| Auth | Config | Use case |
|---|---|---|
kubernetes |
SA bound to role via vault policy write + K8s auth role |
In-cluster, SA-based |
token |
Static token from SecretKeyRef | External or bootstrapping |
approle |
roleId + secretId from SecretKeyRef | Machine-to-machine |
cert |
Client cert from SecretKeyRef | mTLS |
jwt |
JWT from SA or SecretKeyRef | OIDC-integrated |
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 · 281 lines · 56 tokens per session scan A 7a80f91c2b20
external-secrets is a skill published in the GitHub repository Aidas-dev/k8s-agent-skills (2 stars, last pushed 24d ago), licensed MIT. It adds 56 tokens to every session and 2,395 once invoked, about $0.0003 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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