minifieldLABSApp

AI features without the token meter.

Minifield gives your users an AI that understands them and puts your features to work, with their requests processed privately on their own device.

Explore MagicBox
  • PII redaction
  • Product control
  • Request routing
  • Data extraction
  • Text classification
  • Entity recognition
  • Query rewriting
  • Content tagging
MagicBox Structured input

Free text in. Typed data out.

Turn what users write into the data you need. MagicBox processes inputs on the user’s device, without sending them to an external AI provider.

Source documentCase note · FC-2026-1198

Both fraudulent charges reversed ($2,220.00 total). New card issued: , expiring 05/2030, delivered to on 2026-02-25. Merchant "GLOBEX-DIRECT-88" added to blocklist BL-7741. Fraud case FC-2026-1198 closed.

Security recommendations sent to customer:

- Enable app-based 2FA instead of SMS (sent to )

- Review authorized users on the household plan H-88-291-04

- Consider a credit freeze with the three bureaus; instructions attached for Equifax, Experian, and TransUnion

Customer confirmed she will set up the credit freeze before her trip to Paris, France (, June 2-19). Fraud flag F-2026-8812 extended to 2026-07-31 to cover the travel window.

CSAT for this interaction: 5/5. Total resolution time: 7 days. Agents involved: Marcus Chen, , . Compliance sign-off: R. Delgado, compliance officer ID CO-77.

Sample case note. Extractions are illustrative.
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Observer Free app for macOS

See what your AI traces leave behind.

Find secrets and personal information in Claude traces on your Mac. Observer will use the model behind MagicBox in a dedicated app.

Review what it finds. Your original logs stay untouched.

Get Observer on GitHub
Command Natural-language controls

Your product,
in plain language.

Help users complete tasks while they’re still learning your product. You define the supported actions; Command maps their words to them, with your app enforcing existing permissions.

Command sample workspace
Product launch

All tasks

  • Intent classifierResearch
  • Browser runtimeEngineering
  • Local-first editorDesign
  • Interaction studyDesign
  • Model quantizationResearch
  • Offline syncEngineering

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AI labs train their models.
Minifield trains yours.

Define the job.

Start with a feature, the requests users make, and the outputs your app needs. Define which requests it should reject.

Test the behavior.

Test against your product’s examples, including unfamiliar wording, unsupported requests, and valid requests the model should accept.

Fit the footprint.

Find the smallest model that meets your feature’s requirements on the devices your users have.