nasindex · for document archives on a NAS

Your archive knows. Now you can ask it.

Years of contracts, offers, invoices, correspondence and drawings sit on your NAS. nasindex makes them searchable for AI. You ask in plain language and get the answer together with the original document.

With Claude, or fully local with your own AI, no cloud at all.

Example
What was offered for the sun shading on the south façade?

Project 24031-MST holds three offers for BKP 22810, sun shading on the south façade. I read all three and put the amounts side by side.

Source 1 Aufträge / 22810_Sonnenschutz Südfassade / 2 Vergabe / 1 Angebote / Offerte_250312.pdf
Show me the original.
PDF Offerte_250312.pdf
0write access to your archive
0cloud services needed if you work locally
1wizard for the entire setup
The problem

The answer is in the archive. Somewhere.

Looking for an old offer or contract means clicking through project folders and subfolders. Knowing how many offers came in per supplier or trade means counting by hand. The knowledge is there, but it costs time every single time.

«What did that cost back then?»

The figure is in a PDF. Nobody quite remembers which one.

«Where else does this company appear?»

Searching across all projects means opening every folder.

«Where are we missing a contract?»

Gaps only show when you lay everything side by side.

The solution

The AI asks, nasindex finds.

nasindex opens up your archive once and keeps it current from then on. The AI finds the matching document, reads it and answers with the source.

You asknasindex delivers
What was offered for the sun shading on the south façade?The offers for that trade, read in the original
How many offers do we have per trade?A count across the entire archive
Which trades have invoices but no contract?The gaps, project by project
Where else does company X appear?Every occurrence across all projects
All contracts over CHF 50,000A list with contractor, amount and date
What you can rely on

Built for figures that have to be right.

01

Your archive stays untouched

nasindex only reads. It moves, changes and deletes nothing. Access runs through a user that can only read.

02

Every figure from the original

Amounts and dates always come from the original document, never from a summary. Every answer names its source.

03

Your data stays with you

Whatever nasindex builds stays on your NAS. Access is only possible from your private network and with a key of your own. With Claude, only what Claude reads for a question goes to Claude. With a local AI, nothing leaves your network.

04

Your folders stay as they are

nasindex works with the folder structure you already have and uses it for search. Nothing needs to be rearranged.

If you prefer

Fully private. No frontier models.

nasindex does not need a cloud AI like Claude or GPT. You can open up your archive entirely inside your network and query it with your own, locally run AI. Then no document, no question and no answer leaves your building.

Your network
Archiveon the NAS
nasindexinside your network
Your local AIon your hardware
Cloud
Open up

Without internet

nasindex reads even scanned documents right where they are. Nothing goes out in the process.

Ask

Any AI that speaks MCP

Any MCP-capable client with a local model can search, read and retrieve originals, just like Claude.

Evaluate

Contracts with your model

If you wish, evaluating contracts also runs on your own model.

For Claude everything is ready to go. A local AI must be able to call tools, and how well it answers depends on the model. We work out the right combination for your hardware with you.

Optional

Amounts from contracts, as a list.

For questions about thresholds and totals, nasindex reads the key details from every contract: contractor, subject, date, amounts, signatories and contact.

This only runs on your command and only with your approval. You choose which language model reads the contracts, if you wish your own model inside your network.

Language modelAnthropic, OpenAI or your own
See costs in advancebefore the first contract
Reference costunder 3 US cents per contract

Reference value from a test run with Anthropic. With Anthropic you see the estimated cost for your archive before every run.

How you get there

Three steps, then it runs.

  1. Install

    You receive a package. A wizard asks a few questions, checks access to the archive and starts nasindex. On the NAS itself or on a computer that runs around the clock.

  2. Let it open up your archive

    The first run happens on its own, a few hours for a large archive. After that, whatever is new or changed is added continuously.

  3. Connect your AI

    Connect Claude Desktop or Claude Code once per workstation, or your local AI. Then start asking.

Is nasindex right for you?

For firms with an archive that has grown.

For anyone whose contracts, offers, invoices, correspondence and drawings have grown on a NAS over the years. nasindex gets the most out of construction project archives: architecture and site management firms, general contractors and owner's representatives whose filing is organised by project, BKP and award.

You need

  • A NAS with Docker, for example Synology with Container Manager, or a Linux computer that runs around the clock
  • Tailscale on that device and on the workstations
  • Claude Desktop or Claude Code, or an MCP-capable client with your local model

To be honest

  • CAD drawings and images are not read for their content. They can be found by folder and file name.
  • New files usually appear within an hour.
Frequently asked

Before you ask

Does nasindex change anything in our archive?

No. nasindex only reads, through a user without write rights.

What data does Claude see?

Only what Claude searches for and reads for a question: search hits and the documents it opens. Everything else stays on your NAS.

Does it work without any cloud AI?

Yes. nasindex opens up your archive entirely inside your network. You can query it with any MCP-capable client and a locally run model. Evaluating contracts can also run on your own model. Then nothing leaves your network.

Do we need new hardware?

Usually not. A NAS with Docker is enough for permanent operation. For the first run over a very large archive a more powerful computer can step in, after which the NAS takes over.

Do we have to restructure our folders?

No. nasindex works with the structure you have. The more clearly it is organised, the more it gets out of it.

Is it only for construction projects?

No. Search works for any document archive, including scanned documents. In construction project archives nasindex also recognises trades and award stages and can evaluate contracts.

What happens if the NAS is briefly unavailable?

Search keeps working, and nasindex loses nothing.

What does nasindex cost?

We discuss price and licence with you in a call.

Ask your archive its first question.

In a call we look at how your archive is structured and what nasindex makes of it.

Book a call