qemu-qtest

qemu-qtest is a skill for Codex from processmission/oh-my-qemu. It costs 41 tokens per session (1,666 once invoked), scanned A, original, MIT.

QEMU qtest guidance for testing virtual hardware in QEMU, an emulator and virtual machine program. It covers test design, registration, execution, debugging, and recording evidence for devices, boards, interrupts, timers, memory, and data transfers.

In plain words
What is it for?
Use it when creating or debugging QEMU qtest coverage for hardware devices, board models, QMP behavior, timers, interrupts, direct memory access, or memory operations.
Why use it?
It provides a consistent way to investigate whether emulated hardware behaves correctly and to preserve the commands and results needed to reproduce findings.

Skill for Codex

Written for Codex: agents/openai.yaml present.

Good fit Use it when creating or debugging QEMU qtest coverage for hardware devices, board models, QMP behavior, timers, interrupts, direct memory access, or memory operations.

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Install with agentmods
npx agentmods add skills/processmission/oh-my-qemu/qemu-qtest
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.

Any agent
npx skills add processmission/oh-my-qemu --skill qemu-qtest
Clone the repo
git clone --depth 1 https://github.com/processmission/oh-my-qemu

Made for: Codex.

Wrote 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.

agentmods badge for qemu-qtest

README.md
[![agentmods](https://agentmods.dev/badge/skills/processmission/oh-my-qemu/qemu-qtest/github.svg)](https://agentmods.dev/skills/processmission/oh-my-qemu/qemu-qtest)
Your own site
<a href="https://agentmods.dev/skills/processmission/oh-my-qemu/qemu-qtest"><img src="https://agentmods.dev/badge/skills/processmission/oh-my-qemu/qemu-qtest/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.

agentmods 80×15 button for qemu-qtest

Your own site · 80×15
<a href="https://agentmods.dev/skills/processmission/oh-my-qemu/qemu-qtest"><img src="https://agentmods.dev/badge/skills/processmission/oh-my-qemu/qemu-qtest.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 41 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,666 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe. Third-party audits
  • NVIDIA SkillSpector pass 7 Sept 2026
How audits are shown
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 5.1 $0.00041 $0.01666
Opus 5 $0.00020 $0.00833
Sonnet 5 $0.00008 $0.00333
Haiku 4.5 $0.00004 $0.00167

Measured 11d ago against content hash 5eb30ff6068f, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-11, from the pricing page.

Security

Grade A, and why

qemu-qtest 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 11d 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.

skills/qemu-qtest/SKILL.md · 186 lines

How it starts

The opening of the file, as written. The whole thing — 186 lines — stays where its author put it; the contents beside it link to each section on GitHub.

QEMU qtest

Audit workflow

For non-trivial workspace writes, use a stable .oh-my-qemu/<task-slug>/ directory and create only needed entries:

.oh-my-qemu/<task-slug>/
├── audit.md      # Baseline, scope, decisions, evidence, verification, and gaps
├── commands.md   # Redacted commands, working directories, and results
├── logs/         # Decisive build, test, runtime, or diagnostic logs
├── scripts/      # Temporary scripts, probes, parsers, and harnesses
└── output/       # Generated deliverables, dependencies, and non-QEMU binaries

Before changing source or mutable artifacts, record the workspace root, revision, git status --short, pre-existing changes, goal, scope, and acceptance checks in audit.md. Log exact redacted commands and results in commands.md; record revisions, configurations, tool versions, and hashes when they affect reproducibility. Separate observations from inferences and edit source only when requested.

Keep QEMU builds under source-root builds/build-<target>/; put third-party dependencies and non-QEMU binaries in task output/. Before writing audit artifacts or configuring QEMU in a Git worktree, add .agents/, .oh-my-qemu/, and builds/ to the repository-local file from git rev-parse --git-path info/exclude; preserve existing entries and avoid duplicates. Never stage or commit those directories. At handoff, verify them absent from git status --short. Report the task directory and unresolved gaps.

QEMU upstream boundary

QEMU's official GitLab and mailing lists are upstream project channels. A patch becomes an upstream contribution when sent to the mailing-list recipients selected through MAINTAINERS; do not prepare or send agent-generated patches for that submission. Local branches, commits, patch files, pushes, and pull requests are not by themselves QEMU upstream contributions. Perform those Git actions only when requested and follow the workspace's Git policy.

What qtest should prove

Use qtest for:

Read the full file on GitHub · 186 lines

Files

What ships with it

1 file 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.

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. 11d ago First seen · 186 lines · 41 tokens per session scan A 5eb30ff6068f

Subscribe to this mod's changes

qemu-qtest is a skill published in the GitHub repository processmission/oh-my-qemu (57 stars, last pushed 1mo ago), licensed MIT. It adds 41 tokens to every session and 1,666 once invoked, about $0.0002 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.