About Tunnelhw
Tunnelhw is an MCP server in the IoT category: give an LLM on another machine access to serial hardware plugged into yours - you pick which devices, from a local web UI. Outbound SSH or TLS, no public address needed. Go, MCP + JSON API.
Install
git clone https://github.com/chaugan/tunnelhwThis server has no ConduID identity, so agent calls to it are not receipted. Pin the version you install and review the source before granting it credentials.
Tools (7)
close_sessionrelease the device
Parameters not published.
drainwait for buffered output to reach the hardware
Parameters not published.
list_devicesword ID, transport, online/busy, fingerprint confidence
Parameters not published.
open_deviceclaim a device, returns a `session_id`; `dtr`/`rts` state your intent for the control lines
Parameters not published.
readbounded read: `timeout_ms` (max 55000), `max_bytes`, optional `delimiter`, `lines` for whole lines only
Parameters not published.
set_paramschange baud / toggle DTR / RTS mid-session
Parameters not published.
writesend data, `utf8` or `base64`
Parameters not published.
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