Larnitech MCP server

Read from the package source without running it. The installed server may list more.

• add_docs_note

  Record a new Larnitech finding in the device-type wiki, permanently.

• add_preference

  Record a standing user preference about how to work, permanently.

• check_connection

  Connect and authorize against an object, and report what it answers.

• confirm_setwrite action

  Execute a write prepared by `set_device`, then confirm it settled.

• get_device

  Current status of one device by `addr` (format `MODULE:ADDR`, e.g. `1:101`).

• get_docs

  Reference docs for interpreting or writing a device's `status`.

• list_devices

  Full device snapshot from an object, optionally filtered.

• list_objects

  List configured Larnitech objects. Never returns API keys.

• list_snapshots

  Snapshots saved for one object, or a summary across all of them.

• object_add

  Register an object. `mode` is "cloud" (needs `serial`) or "local" (needs `host`).

• object_removewrite action

  Remove an object from the registry and delete its stored key.

• object_set_key

  Store the API key for an object in the OS credential store.

• read_snapshot

  Read a saved snapshot back, by the filename `list_snapshots` reports.

• report_bug

  Turn a bug the user hit into a ready-to-file GitHub issue.

• save_snapshot

  Keep a slice of controller data on disk, for later.

• set_device

  Validate a write and return a preview plus a confirmation token.

• watch_list

  Active watches, with how long each has run and how much it has seen.

• watch_read

  Drain everything that changed since the last read. Never blocks.

• watch_start

  Begin watching status changes. Returns immediately with a `watch_id`.

• watch_stop

  Stop a watch and close its socket. Any undrained changes are returned.

• Code scan12 source files scanned25/25
• –Live reliabilityno gateway calls yet and no remote to proben/a
• –Tool poisoningtools not inspected (local package is not executed); not countedn/a
• Auth qualitylocal package, no credentials required12/15
• Maintenancelast push 11 days ago15/15
• Maintainer identityregistry namespace matches repository owner6/10

Larnitech: common questions

Is Larnitech MCP server safe?

Yes, by our scan: it is graded A (89/100). Read the Larnitech safety report

How do I install Larnitech?

It runs on your machine. Copy the Claude Code, Claude Desktop or Cursor config from the install section.

Does Larnitech need an API key?

Not as far as the registry entry and our scan can tell: no credentials are declared or required.

Is Larnitech maintained?

The last commit was 12 days ago (2026-09-09). The latest release is v1.3.2-beta.