hallucination-detector

Name: hallucination-detector Review
Item: hallucination-detector
Rating: 3.0
Author: Aaron Matthews

Skill Setup & Config Usable

Works inClaude Code

Usable Scanned — metadata only

Zero-dependency plugin that catches speculation, invented causality, and fake citations before they enter your context.

Zero-dependency Claude Code plugin that catches speculation, invented causality, and fake citations before they pollute your context. Install in one command, works offline, no API keys needed.

Catch invented file paths and fake function names before they spread
Detect fabricated citations and speculative claims automatically
Flag unreliable assistant outputs with zero setup required

7 starsMIT (commercial OK)FreeQuick setup

Usable rating — This tool is functional but has notable gaps. Review the evaluation notes below before deploying.

Why it matters

Zero-dependency plugin that catches speculation, invented causality, and fake citations before they enter your context. Offline, no API keys, one-command install.

Best for

Any Claude Code user who has been burned by hallucinated file paths, invented function names, or fabricated citations.

Works in

Claude Code Claude Cowork Claude Chat

Source

https://github.com/bitflight-devops/hallucination-detector

By bitflight-devops

How to Get It

Option 1: Claude Desktop App (Code Mode)Click the + button next to the prompt box → Plugins → Add plugin. Search and click Install. Skills work in Claude Code only.

Option 2: Paste into Claude CodeCopy the command below and paste it into your conversation. Claude will install it.

Instructions to paste into Claude

npx skills add bitflight-devops/hallucination-detector

# Target Claude Code specifically:
npx skills add bitflight-devops/hallucination-detector -a claude-code

First thing to try

After installing, paste this into Claude:

Help me catch invented file paths and fake function names before they spread

CostFree

Trust Signals Auto-scanned

Stars7Contributors6Last updated2026-06-20LicenseMIT (OK for commercial use)Known CVEsNone foundSources: GitHub Advisory Database + OSV.dev · Scanned 2026-08-03 · scanner v1

Community Pulse Active

Discussed on Hacker News, Reddit

We built an open-source hallucination detector specifically for RAG pipelines to — Reddit · 24 pts
Real-time AI hallucination detection with timeplus: A chess example — Hacker News · 22 pts
A lightweight hallucination detector for RAG (catches contradictions without an — Reddit · 11 pts

3 mentions across 2 sources

Reviewer notes

Auto-scanned review. These are observations, not a security certification.

catalog_hygiene stale-eval refresh: Scored from trust signals (evidence-eval-v1): 7 GitHub stars; 6 contributors; last commit 16d ago; license MIT.

Things to check

Acts as a filter, not a guarantor—catches obvious hallucinations (fake citations, contradictions) but cannot verify all claims independently. Requires human review of flagged content; may produce false positives on speculative-but-honest reasoning.

How to evaluate tools before deploying →

Data shown here comes from public APIs and automated scanning. Reviewer notes reflect one person's experience. This is not a security certification or legal recommendation. Always evaluate tools according to your own organization's policies.

Evaluation Scores

Evaluation

Ease of Use

3/5

Versatility

2/5

Reliability

4/5

Security

3/5

Overall score3.00 / 5.00 UsableEvaluatedJul 2026

catalog_hygiene stale-eval refresh: Scored from trust signals (evidence-eval-v1): 7 GitHub stars; 6 contributors; last commit 16d ago; license MIT.

← Back to the Claude Observatory