io.github.hyperlight-dev/mcp-server-hyperlight

Hyperlight

Is the Hyperlight MCP server down? No. It answered initialize and tools/list in the probe of 2026-11-04.

Runs Python in a local, hardware-isolated micro-VM that keeps its state between calls

alive probed 2026-11-14 · unchanged since 2026-11-04

2tools

495tokens in Claude Opus 5.5

0.2 %of Claude's 200k window

0.2×the median server

4.0 sto initialize

6 msto list tools

Run it: uvx mcp-server-hyperlight@0.1.1 (stdio, probed in a container with the network off)
Host: pypi.org
Reports itself as: hyperlight 0.1.1
Capabilities: prompts, resources, tools
Instructions: 177 characters
Of a 1M window: <0.1 % of a 1M context window
Count: 495 tokens in Claude Opus 5.5, exact, measured 2026-11-04. With the Claude Code prefix mcp__…__ on each tool name: 527. The o200k_base estimate is 294. Counted again when the tool definitions change. Method.
Repository: https://github.com/hyperlight-dev/hyperlight-unikraft
Website: https://github.com/hyperlight-dev/hyperlight-unikraft/tree/main/integrations/mcp
Registry: active, updated 2026-10-21 · registry entry
Changes: 2 recorded, reachable in 2 of them. A row is added when the result, the tool count or the cost changes.

Most expensive tools

The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.68×.

Tool	≈ Claude tokens	o200k estimate	Share of this server
run_python	343	204	69 %
reset_sandbox	152	90	31 %

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

ShortSmash io.github.hydope/shortsmash · crashed on start
io.github.hydrojwh/promptready-mcp · alive
io.github.hydrolix/mcp-hydrolix · needs env
OpenDocKit io.github.hyeonsang010716/opendockit · needs args
Aviation Accident Analysis MCP io.github.hzy9981/aviation-accident-analysis · crashed on start
grad-agent io.github.i-ninte/grad-agent · alive
Assurance io.github.i-ops-hq/assurance-mcp · alive
io.github.iamalisson/inquisitor · needs mcp<2

Servers that mention hardware or isolated.

Cerebrium Docs ai.cerebrium/docs · alive
EOSL.ai — Hardware End-of-Life Database ai.eosl/eosl · alive
SKUit BOM Builder ai.skuit/bom-builder · needs auth
Chiplab ai.veecle/chiplab · needs auth
Ars Technica Tech & Hardware News — buy per-query in-session (arstechnicawatch) com.a2awire/data-arstechnica-hardware-news-tech-it · alive
BackPow PoW Oracle com.backpow/pow-mining-oracle · alive
ARADIA | sovereign & private agentic systems com.aradia/sovereign-hardware · timeout
com.boardrepo/boardrepo · needs auth

We add a row when the result changes. A server with no change keeps its last row.

Probed	Result	Init	Tools	Claude	o200k
2026-11-04 08:05	alive	2.0 s	2	495	294
2026-10-21 06:41	alive	4.0 s	2		294

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.