io.github.0xmortuex/qemu-mcp

qemu

Is the io.github.0xmortuex/qemu-mcp MCP server down? No. It answered initialize and tools/list in the probe of 2026-11-08.

Boot and drive QEMU VMs from an AI agent: keys, screenshots, serial. No guest agent.

alive probed 2026-11-15 · unchanged since 2026-11-08

21tools

9.6ktokens in Claude Opus 5.5

4.8 %of Claude's 200k window

3.8×the median server

1.7 sto initialize

9 msto list tools

Run it: uvx qemu-mcp@0.1.0 (stdio, probed in a container with the network off)
Host: pypi.org
Reports itself as: qemu
Capabilities: prompts, resources, tools
Instructions: 365 characters
Of a 1M window: 1.0 % of a 1M context window
Count: 9.6k tokens in Claude Opus 5.5, exact, measured 2026-11-08. With the Claude Code prefix mcp__…__ on each tool name: 9.9k. The o200k_base estimate is 5.8k. Counted again when the tool definitions change. Method.
Repository: https://github.com/0xmortuex/qemu-mcp
Registry: active, updated 2026-11-07 · registry entry

Most expensive tools

The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.67×.

Tool	≈ Claude tokens	o200k estimate	Share of this server
qemu_boot	3 620	2 172	38 %
qemu_wait_serial	567	340	6 %
qemu_wait_screen	505	303	5 %
qemu_mouse	470	282	5 %
qemu_change_media	465	279	5 %

Other registry entries on pypi.org, the ones next to this name; all of them.

Servers that mention qemu.

The result of the latest probe, the tool count and the token cost. The feed has an entry for every probe that changed them.

Stops answering, comes back, tool set or cost changes. One confirmation mail first, a stop link in every mail.