# TruthGate

> Deterministic Agent Hallucination Auditor, Citation-Span Entailment Verifier & Workspace Symbol Grounding Engine (with Stdio & Streamable HTTP MCP Server).

- Website: https://codesphere-u.github.io/truthgate/
- Interactive Studio: https://codesphere-u.github.io/truthgate/studio.html
- 40-Scenario Benchmark: https://codesphere-u.github.io/truthgate/proof.html
- Rules Reference (TG001–TG008): https://codesphere-u.github.io/truthgate/rules.html
- Documentation: https://codesphere-u.github.io/truthgate/docs.html
- Full LLM Context: https://codesphere-u.github.io/truthgate/llms-full.txt
- Source & Releases: https://github.com/codesphere-u/truthgate

## Verified Benchmark Summary
- 40 Scenarios (10 Grounded + 30 Adversarial): `100.0%` Precision, `100.0%` Recall, `100.0%` F1, `0.0%` False Positive Rate.
- P50 Verification Latency: `0.128 ms` (`P95 = 0.347 ms`).

## Rules (TG001–TG008)
- `TG001` Phantom Source Citation (`CRITICAL`)
- `TG002` Low Lexical/Entity Support (`HIGH`)
- `TG003` Negation Polarity Inversion (`CRITICAL`)
- `TG004` Numeric & Magnitude Drift (`CRITICAL`)
- `TG005` Uncited Factual Assertion (`MEDIUM`)
- `TG006` Non-Existent File Path (`CRITICAL`)
- `TG007` Out-of-Bounds Line Range (`HIGH`)
- `TG008` Phantom Code Symbol (`CRITICAL`)