windows-machine-config-operator AGENTS.md

Project instructions for the Windows Machine Config Operator, which configures Windows Server machines as worker nodes in OpenShift or OKD clusters. They describe the project, its components, and subscription and entitlement requirements.

In plain words
What is it for?
Use them when working on the operator, Windows worker-node setup, certificate approval or rotation, environment management, or related OpenShift components.
Why use it?
They help a coding agent understand how Windows nodes, certificates, services, and cluster components fit together before making changes.

Instructions file for CodexOpenCode

Install

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.

agentmods
npx agentmods add instructions/openshift/windows-machine-config-operator/agents-md
Clone the repo
git clone --depth 1 https://github.com/openshift/windows-machine-config-operator

Made for: Codex, OpenCode.

Per session 5,127 This file is loaded in full into every session.
When invoked 5,127 The same file — it is already loaded in full.
Security scan A 0 findings. Scan, not verified.
Origin original No closer match found in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5 $0.05127 $0.05127
Opus 5 $0.02563 $0.02563
Sonnet 5 $0.01025 $0.01025
Haiku 4.5 $0.00513 $0.00513

Measured 2d ago against content hash caeeb30f4566, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

windows-machine-config-operator AGENTS.md 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 2d 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.

AGENTS.md · 708 lines

How it starts

The opening of the file, as written. The whole thing — 708 lines — stays where its author put it; the contents beside it link to each section on GitHub.

AGENTS.md

Project Overview

The Windows Machine Config Operator (WMCO) configures Windows Server instances as worker nodes in OpenShift/OKD clusters, enabling Windows container workloads.

Architecture:

┌─────────────────────────────────────────────────────────────┐
│                    OpenShift Cluster                        │
├────────────────────────┬────────────────────────────────────┤
│   Linux Control Plane  │        Windows Worker Nodes        │
│  ┌──────────────────┐  │  ┌──────────────────────────────┐  │
│  │  WMCO Operator   │──┼──│  WICD (daemon)               │  │
│  │  - Controllers   │SSH│  │  - Service reconciliation    │  │
│  │  - CSR Approval  │  │  │  - Certificate rotation      │  │
│  └──────────────────┘  │  │  - Environment management    │  │
│                        │  └──────────────────────────────┘  │
│                        │  ┌──────────────────────────────┐  │
│                        │  │  Windows Components          │  │
│                        │  │  kubelet, containerd,        │  │
│                        │  │  kube-proxy, hybrid-overlay  │  │
│                        │  └──────────────────────────────┘  │
└────────────────────────┴────────────────────────────────────┘

Provisioning Modes:

  • Machine API: Create Windows VMs via MachineSets, auto-configured by WMCO
  • BYOH: Define existing instances in windows-instances ConfigMap

Tech Stack: Go 1.24+, Kubernetes Operator (controller-runtime), OpenShift APIs, Windows Server 2019/2022


Product Overview

Red Hat OpenShift support for Windows Containers is a layered component of OpenShift that allows the integration of Windows Nodes for running Windows Containers on an OpenShift 4 Cluster.

This is achieved by installing the Windows Machine Config Operator (WMCO), which runs on Linux based control-plane nodes. The WMCO bootstraps Windows nodes to join the cluster as Windows worker nodes.

Subscription Requirements

Windows Containers requires a specific subscription, in addition to an OpenShift Container Platform subscription:

  • Worker nodes only - Control plane and infrastructure nodes don't need a paid subscription for Windows Containers
  • When working cases, verify entitlement mapping to ensure compliance

Read the full file on GitHub · 708 lines

Changes

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.

  1. 2d ago First seen · 708 lines · 5,127 tokens per session scan A caeeb30f4566

Subscribe to this mod's changes

windows-machine-config-operator AGENTS.md is an instructions file published in the GitHub repository openshift/windows-machine-config-operator (51 stars, last pushed 3d ago), licensed Apache-2.0. It adds 5,127 tokens to every session, about $0.0256 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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