# SecJev-4B Spot2 V3 decision model by macmacmacmac

> SecJev-4B Spot2 V3 checks outgoing tool calls. Read its custom licence, full-test results and the limits of its development-set threshold.

Updated 2026-11-07 (Australia/Adelaide)

## Quick answers

### What is SecJev-4B Spot2 V3 by macmacmacmac?

[SecJev-4B Spot2 V3](<https://decisionmodels.ai/models/secjev>): A Qwen3.5-4B-Base LoRA and [Kev](<https://decisionmodels.ai/models/kev>) head for authorising outgoing tool calls.

[SecJev-4B Spot2 V3 facts](<https://decisionmodels.ai/models/secjev>)

[Source](<https://huggingface.co/macmacmacmac/SecJev-4B-Spot2-V3>)

### Who makes SecJev-4B Spot2 V3?

[SecJev-4B Spot2 V3](<https://decisionmodels.ai/models/secjev>): macmacmacmac

[SecJev-4B Spot2 V3 facts](<https://decisionmodels.ai/models/secjev>)

[Source](<https://huggingface.co/macmacmacmac/SecJev-4B-Spot2-V3>)

By macmacmacmac · Hugging Face package release: 2026-11-04 · CUSTOM LICENCE

A Qwen3.5-4B-Base LoRA and [Kev](<https://decisionmodels.ai/models/kev>) head for authorising outgoing tool calls. Bootstrap code fetches the pinned backbone and [Kev](<https://decisionmodels.ai/models/kev>) source. The card leads with the full held-out test and warns that a threshold calibrated on development data transfers badly across domains.

## Facts

- Package: LoRA adapter, pointer head, inference code and evaluation records
- Licence: SecJev Use and Distribution Agreement v1.0; custom terms

## Claims and sources

- **VENDOR-REPORTED**: The maker reports AUROC 0.8661 on 7,192 full-test rows. At the development threshold 0.0021, test true-positive rate is 0.776 and false-positive rate 0.221, versus development false-positive rate 0.010. No independent replication under its frozen chain is reported. [source](<https://huggingface.co/macmacmacmac/SecJev-4B-Spot2-V3>)

## Links

- [Source: Card, licence and records](<https://huggingface.co/macmacmacmac/SecJev-4B-Spot2-V3>)

## Related projects

No related projects are listed in the registry.