overthinkos/qemu-guest-agent
ov-foundation/skills/qemu-guest-agent/SKILL.md
QEMU guest agent for host-guest communication in virtual machines. Use when working with QEMU/KVM VMs, guest agent setup, or libvirt channel configuration.
data-ai
Updated May 10, 2026
$ install --global
skillsauthnpx skillsauth add overthinkos/overthink-plugins qemu-guest-agentInstall this skill globally with one command. Works with Claude Code, Cursor, and Windsurf.
Security Scan Results
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Scanners in report
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TrivyContainer and dependency vulnerability scanner
95%
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SemgrepStatic code analysis for vulnerabilities
95%
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mcp-scan (Snyk)Model Context Protocol security validation
95%
Skipped
Snyk (dep)Open source security scanning
50%
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Socket.devSupply chain security analysis
50%
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VirusTotalMulti-engine malware detection
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CrowdStrikeAdvanced threat intelligence
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OSV-ScannerOpen Source Vulnerability database check
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OWASP Dep-Check
50%
Last scanned: May 10, 2026, 5:33 AM263.4s1 file scanned
SKILL.md
- name:
- qemu-guest-agent
- description:
- |
qemu-guest-agent -- QEMU guest agent
Layer Properties
| Property | Value |
|----------|-------|
| Install files | layer.yml |
Packages
qemu-guest-agent(RPM) -- QEMU guest agent daemon
Usage
# image.yml -- typically used via bootc-base composition
my-vm-image:
bootc: true
layers:
- bootc-base
Used In Images
Part of the bootc-base composition layer. Used transitively in bootc/VM images.
virtio-serial channel (libvirt XML contribution)
The layer contributes a raw libvirt XML snippet that the libvirt renderer places in the VM's <devices> section:
<channel type='unix'>
<target type='virtio' name='org.qemu.guest_agent.0'/>
</channel>
Emitted in layer.yml as:
libvirt:
snippets:
- "<channel type='unix'><target type='virtio' name='org.qemu.guest_agent.0'/></channel>"
This is the / classification case: isDeviceElement flags it as device-scoped, so the renderer injects it inside <devices> rather than before </domain>. See /ov-dev:libvirt-renderer for the injection pipeline and /ov-advanced:vm for the QEMU-user-net caveat (the agent shows as enabled/inactive under ov's QEMU backend; libvirt backend activates it).
Related Layers
/ov-foundation:bootc-base-- composition that includes this layer/ov-coder:sshd-- SSH server (also in bootc-base)/ov-foundation:bootc-config-- bootc system config (also in bootc-base)
When to Use This Skill
Use when the user asks about:
- QEMU guest agent installation
- Host-guest communication in VMs
- Libvirt virtio channel configuration
- The
org.qemu.guest_agent.0channel
Related
/ov-build:layer— layer authoring reference (layer.ymlschema, task verbs, service declarations,libvirt.snippets:)/ov-advanced:vm— VM lifecycle; bootc VM caveats; QEMU-user-net limitation/ov-vms:vms—kind: vmentity schema that consumes this layer's contribution/ov-dev:libvirt-renderer— renderer that injects this layer's snippet into<devices>/ov-build:eval— declarative testing (eval:block,ov eval image,ov eval live)
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