Repo

detectorscope

Explains AI-text predictions with named feature contributions and token highlights by gating detector decisions through validated interpretable features.

GitHub ↗Oct 24, 2026Paper ↗

  • nlp
  • ai-text-detection
  • mechanistic-interpretability
  • sparse-autoencoders
Pipeline diagram showing SAE feature extraction and auditable detector method
Pipeline diagram showing SAE feature extraction and auditable detector method

What it is

Builds AI text detectors that explain each prediction as a sum of named, validated features with token-level evidence, while staying close to the original detector's accuracy. Turn a black-box AI text detector into an auditable one that reports named feature contributions and token-level highlights, and provides a pipeline to convert your own detector the same way.

Key results

  • Prediction decomposes exactly: logit = bias + sum(importances)
  • Localizes evidence per feature as token-level highlights
  • Interpretability is tunable with tau from 0.00 to 0.95 without redownloads

Shows AI text detectors can be made human-auditable with explicit feature evidence while retaining near-black-box accuracy.

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