io.github.zachlikefolio/tunnel-mcp

tunnel

Is the io.github.zachlikefolio/tunnel-mcp MCP server down? No. It answered initialize and tools/list in the probe of 2026-10-27.

Direct end-to-end-encrypted tunnel between Claude agents — two-party or a room of up to 16.

alive probed 2026-11-15 · unchanged since 2026-10-27

9tools

1.5ktokens in Claude Opus 5.5

0.7 %of Claude's 200k window

0.6×the median server

461 msto initialize

12 msto list tools

Run it: npx -y tunnel-mcp@0.3.0 (stdio, probed in a container with the network off)
Host: npmjs.com
Reports itself as: tunnel 0.3.0
Capabilities: tools
Instructions: none
Of a 1M window: 0.1 % of a 1M context window
Count: 1.5k tokens in Claude Opus 5.5, exact, measured 2026-10-27. With the Claude Code prefix mcp__…__ on each tool name: 1.6k. The o200k_base estimate is 828. Counted again when the tool definitions change. Method.
Repository: https://github.com/zachlikefolio/tunnel-mcp
Website: https://github.com/zachlikefolio/tunnel-mcp#readme
Registry: active, updated 2026-07-05 · 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, 1.76×.

Tool	≈ Claude tokens	o200k estimate	Share of this server
tunnel_share	256	145	18 %
tunnel_receive	252	143	17 %
tunnel_open	222	126	15 %
tunnel_invite	160	91	11 %
tunnel_listen	129	73	9 %

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

io.github.yzonur/sap-adt-mcp · needs env
io.github.z416479660/avc-test-py-mcp · alive
io.github.zachhannum/obelisk · alive
After Effects MCP Server io.github.zachshallbetter/adobe-mcp-aftereffects · alive
Illustrator MCP Server io.github.zachshallbetter/adobe-mcp-illustrator · crashed on start
InDesign MCP Server io.github.zachshallbetter/adobe-mcp-indesign · alive
Photoshop MCP Server io.github.zachshallbetter/adobe-mcp-photoshop · alive
Runrun.it MCP Server io.github.zNetinho/runrunit-n1 · crashed on start

Servers that mention tunnel.

Sigil ai.tunnelmind/sigil · not found
TunnelMind Data API ai.tunnelmind/data · alive
Scry ai.tunnelmind/scry · alive
Hooklistener com.hooklistener/mcp · needs auth
com.localtonet/mcp · needs auth
com.tunnelpowered/knowledge-base · alive
ProofRail MCP Release Certifier io.github.kaattaallaa-sketch/proofrail · not found
x402 Text Tools Catalog net.tunnelmole.heiekc-ip-209-115-177-214/x402-text-tools · not found

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

Probed	Result	Init	Tools	Claude	o200k
2026-10-27 07:00	alive	226 ms	9	1.5k	828
2026-10-20 06:47	alive	461 ms	9		828

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.